US20130001994A1 - Chair with a Resilient Back - Google Patents
Chair with a Resilient Back Download PDFInfo
- Publication number
- US20130001994A1 US20130001994A1 US13/173,516 US201113173516A US2013001994A1 US 20130001994 A1 US20130001994 A1 US 20130001994A1 US 201113173516 A US201113173516 A US 201113173516A US 2013001994 A1 US2013001994 A1 US 2013001994A1
- Authority
- US
- United States
- Prior art keywords
- chair
- resilient
- pressed
- resilient back
- armrests
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
- A47C7/4454—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs of torsion type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
Definitions
- the present invention relates to a chair, and more particularly to a chair with a resilient back.
- the present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
- the primary object of the present invention is to provide a chair with a resilient back that is capable of obtaining a comfort and safety purpose, and a cushion rotates with a back member.
- Further object of the present invention is to provide a chair with a resilient back that is capable of transmitting an axial force.
- Another object of the present invention is to provide a chair with a resilient back that is capable of obtaining any backward pressed angle by adjusting a bore.
- Another object of the present invention is to provide a chair with a resilient back that is capable of pressing the back member backward and returning the back member back to an original position by ways of a deformation of the resilient rotating shaft, thereafter the cushion moves backward and returns an initial position to achieve a comfort.
- the support member includes a horizontally hollow tube in which an elastic mechanism is disposed
- the back member includes two pressed pieces fixed on two sides thereof respectively, lower ends of the two pressed pieces connect with two ends of the elastic mechanism individually, and the cushion is secured on the support member;
- the elastic mechanism is a torsion spring, a middle section of the elastic mechanism is fixed, and two outer ends of the torsion spring are coupled with the lower end of the pressed piece;
- the elastic mechanism includes a positioning member, a resilient rotating shaft, two rotary blocks, two limiting members, and two locking members
- the positioning member is fixed in the horizontally hollow tube of the support member and includes a first non-circular hole
- the resilient rotating shaft is a non-circular bar and is inserted through the positioning member
- each rotary block includes a second non-circular hole
- the two rotary blocks are fitted onto two ends of the resilient rotating shaft respectively
- each limiting member includes a bore, a diameter of which is larger than that of the rotary block, so that the bore is fitted onto the rotary block
- the two limiting members are covered on two ends of the horizontally hollow tube individually
- each pressed piece includes an aperture, a shape of which is identical to that of the rotary block, the rotary block is inserted into the aperture, the lower ends of the two pressed pieces are connected together via the two locking members and the resilient rotating shaft;
- the pressed piece includes a third non-circular hole formed on the lower end thereof, the resilient rotating shaft is inserted through the lower end of the pressed piece and includes a slot arranged on a distal end thereof to retain the locking member;
- the first non-circular hole of the positioning member is hexagonal
- the resilient rotating shaft is formed in a hexagonal column and made of a steel
- the second non-circular hole of the rotary block is hexagonal
- the third non-circular hole of the pressed piece is hexagonal;
- a cross section of the rotary block is formed in a drum shape
- a rotating angle of the rotary block in the bore is 5-15 degrees, i.e., a backward pressed angle of the back member is 5-15 degrees;
- limiting members are connected with the horizontally hollow tube by selecting from a screw connecting, a bolt connecting, a rivet connecting, and a welding manner;
- the cushion is slidably placed on the support member, and the support member includes two projections, and each projection includes a washer, the washer includes two rollers disposed on a lower side thereof, and the two rollers are covered by two covers individually and pressed on two washers respectively, two sides of the cushion are coupled with the two pressed pieces;
- FIG. 1 is a perspective view showing the assembly of a chair with a resilient back according to a first preferred embodiment of the present invention
- FIG. 2 is a perspective view showing the exploded components of the chair with the resilient back according to the first preferred embodiment of the present invention
- FIG. 3 is a partially amplified view showing of FIG. 2 ;
- FIG. 4 is a cross sectional view of a rotary blocks of the chair with the resilient back according to the first preferred embodiment of the present invention
- FIG. 5 is a cross sectional view showing the operation of the rotary blocks of the chair with the resilient back according to the first preferred embodiment of the present invention
- FIG. 6 is a perspective view showing the assembly of a chair with a resilient back according to a second preferred embodiment of the present invention.
- FIG. 7 is a perspective view showing the exploded components of a chair with a resilient back according to a third preferred embodiment of the present invention.
- a chair with a resilient back comprises a back member 1 , a cushion 12 , and a support member 18 , the support member 18 includes a horizontally hollow tube 9 in which an elastic mechanism 23 is disposed, the back member 1 includes two pressed pieces 2 fixed on two sides thereof respectively, lower ends of the two pressed pieces 2 connect with two ends of the elastic mechanism 23 individually, and the cushion 12 is secured on the support member 18 .
- the elastic mechanism 23 includes a positioning member 8 , a resilient rotating shaft 6 , two rotary blocks 5 , two limiting members 4 , and two locking members 7 , wherein the positioning member 8 is fixed in the horizontally hollow tube 9 of the support member 18 and includes a first non-circular hole, the resilient rotating shaft 6 is a non-circular bar and is inserted through the positioning member 8 , each rotary block 5 includes a second non-circular hole, and the two rotary blocks 5 are fitted onto two ends of the resilient rotating shaft 6 respectively, each limiting member 4 includes a bore 19 , a diameter of which is larger than that of the rotary block 5 , so that the bore 19 is fitted onto the rotary block 5 , the two limiting members 4 are covered on two ends of the horizontally hollow tube 9 individually, each pressed piece 2 includes an aperture 11 , a shape of which is identical to that of the rotary block 5 , so that the rotary block 5 is inserted into the aperture 11 , the lower ends of the two pressed pieces 2 are connected together via the
- the pressed piece 2 also includes a third non-circular hole formed on the lower end thereof, the resilient rotating shaft 6 is inserted through the lower end of the pressed piece 2 and includes a slot 21 arranged on a distal end thereof to retain the locking member 7 .
- the first non-circular hole of the positioning member 8 is hexagonal
- the resilient rotating shaft 6 is formed in a hexagonal column and made of a steel
- the second non-circular hole of the rotary block 5 is hexagonal
- the third non-circular hole of the pressed piece 2 is hexagonal as well, such that an axial force is transmitted easily by using the first, the second, and the third non-circular holes of the positioning member 8 , the rotary block 5 , and the pressed piece 2 and the resilient rotating shaft 6 .
- first, the second, the third non-circular holes of the positioning member 8 , the rotary block 5 , and the pressed piece 2 can be semi-circular, oval, oblong, pentagonal, and trapezoid to transmit the axial force.
- a cross section of the rotary block 5 is formed in a drum shape (as shown in FIG. 4 ).
- a rotating angle of the rotary block 5 in the bore 19 is 5-15 degrees (as illustrated in FIG. 5 ), i.e., a backward pressed angle of the back member 1 is 5-15 degrees to obtain a comfort and a safety purpose. Thereby, any desired backward pressed angle of the back member 1 is obtained by adjusting bore 19 .
- the limiting member 4 is connected with the horizontally hollow tube 9 by welding.
- the cushion 12 is slidably placed on the support member 18 , and the support member 18 includes two projections 22 , and each projection 22 includes a washer 10 , the washer 12 includes two rollers 15 disposed on a lower side thereof, and the two rollers 15 are fixed beneath the washer 12 by means of two stems 16 and covered by two covers 14 individually, the two rollers 15 are pressed on two washers 10 respectively, two sides of the cushion 12 are coupled with the two pressed pieces 2 by ways of two bolts 13 individually. Thereby, when the back member 1 is pressed backward, the cushion 12 rotates with the back member 1 .
- the support member 18 includes four pads 17 secured therebeneath to prevent the chair from movement.
- the pressed pieces 2 and two armrests 3 are integrally formed to enhance an aesthetics appearance and facilitate production.
- a chair with a resilient back according to a second preferred embodiment of the present invention comprises a support member 18 having four feet.
- a chair with a resilient back comprises a back member 1 , a cushion 12 , and a support member 18 , the support member 18 includes a horizontally hollow tube 9 in which an elastic mechanism 23 is disposed, and the back member 1 includes two pressed pieces 2 fixed on two sides thereof respectively, and lower ends of the two pressed pieces 2 connect with two ends of the elastic mechanism 23 individually, the cushion 12 is slidably placed on the support member 18 .
- the elastic mechanism 23 is a torsion spring 20 (as illustrated in FIG. 7 ), wherein a middle section of the elastic mechanism 20 is fixed, and two outer ends of the torsion spring 20 are coupled with the lower end of the pressed piece 2 .
- the horizontally hollow tubes 9 of the first, the second, and the third embodiments are all integrally formed on the support member 18 .
- the horizontally hollow tubes 9 are capable of being connected with the support member 18 .
Abstract
A chair with a resilient back contains a back member, a cushion, and a support member, characterized in that: the support member includes a horizontally hollow tube in which an elastic mechanism is disposed, the back member includes two pressed pieces fixed on two sides thereof respectively, lower ends of the two pressed pieces connect with two ends of the elastic mechanism individually, and the cushion is secured on the support member, wherein the elastic mechanism is a torsion spring, a middle section of the elastic mechanism is fixed, and two outer ends of the torsion spring are coupled with the lower end of the pressed piece.
Description
- 1. Field of the Invention
- The present invention relates to a chair, and more particularly to a chair with a resilient back.
- 2. Description of the Prior Art
- Conventional various chairs, such as an office chair, a meeting chair, and a house chair, most of these chairs are provided with a resilient back member, and the back member and a support member are connected together by means of a flexible metal element so that the back member rotates downward when a back of an user presses the back member backward and then move leftward and rightward. However, the metal element is broken easily, and a comfort can not be obtained. Besides, the chair falls easily when pressing the back member, and when the back member rotates, a cushion can not rotate with the back member, having a poor comfort.
- The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
- The primary object of the present invention is to provide a chair with a resilient back that is capable of obtaining a comfort and safety purpose, and a cushion rotates with a back member.
- Further object of the present invention is to provide a chair with a resilient back that is capable of transmitting an axial force.
- Another object of the present invention is to provide a chair with a resilient back that is capable of obtaining any backward pressed angle by adjusting a bore.
- Another object of the present invention is to provide a chair with a resilient back that is capable of pressing the back member backward and returning the back member back to an original position by ways of a deformation of the resilient rotating shaft, thereafter the cushion moves backward and returns an initial position to achieve a comfort.
- To obtain the above objective, a chair with a resilient back provided by the present invention contains:
- a back member, a cushion, and a support member, characterized in that: the support member includes a horizontally hollow tube in which an elastic mechanism is disposed, the back member includes two pressed pieces fixed on two sides thereof respectively, lower ends of the two pressed pieces connect with two ends of the elastic mechanism individually, and the cushion is secured on the support member;
- characterized in that the elastic mechanism is a torsion spring, a middle section of the elastic mechanism is fixed, and two outer ends of the torsion spring are coupled with the lower end of the pressed piece;
- characterized in that the elastic mechanism includes a positioning member, a resilient rotating shaft, two rotary blocks, two limiting members, and two locking members, the positioning member is fixed in the horizontally hollow tube of the support member and includes a first non-circular hole, the resilient rotating shaft is a non-circular bar and is inserted through the positioning member, each rotary block includes a second non-circular hole, and the two rotary blocks are fitted onto two ends of the resilient rotating shaft respectively, each limiting member includes a bore, a diameter of which is larger than that of the rotary block, so that the bore is fitted onto the rotary block, the two limiting members are covered on two ends of the horizontally hollow tube individually, each pressed piece includes an aperture, a shape of which is identical to that of the rotary block, the rotary block is inserted into the aperture, the lower ends of the two pressed pieces are connected together via the two locking members and the resilient rotating shaft;
- characterized in that the pressed piece includes a third non-circular hole formed on the lower end thereof, the resilient rotating shaft is inserted through the lower end of the pressed piece and includes a slot arranged on a distal end thereof to retain the locking member;
- characterized in that the first non-circular hole of the positioning member is hexagonal, the resilient rotating shaft is formed in a hexagonal column and made of a steel, the second non-circular hole of the rotary block is hexagonal, and the third non-circular hole of the pressed piece is hexagonal;
- characterized in that a cross section of the rotary block is formed in a drum shape;
- characterized in that a rotating angle of the rotary block in the bore is 5-15 degrees, i.e., a backward pressed angle of the back member is 5-15 degrees;
- characterized in that the limiting members are connected with the horizontally hollow tube by selecting from a screw connecting, a bolt connecting, a rivet connecting, and a welding manner;
- characterized in that the cushion is slidably placed on the support member, and the support member includes two projections, and each projection includes a washer, the washer includes two rollers disposed on a lower side thereof, and the two rollers are covered by two covers individually and pressed on two washers respectively, two sides of the cushion are coupled with the two pressed pieces;
- characterized in that the pressed pieces and two armrests are integrally formed.
-
FIG. 1 is a perspective view showing the assembly of a chair with a resilient back according to a first preferred embodiment of the present invention; -
FIG. 2 is a perspective view showing the exploded components of the chair with the resilient back according to the first preferred embodiment of the present invention; -
FIG. 3 is a partially amplified view showing ofFIG. 2 ; -
FIG. 4 is a cross sectional view of a rotary blocks of the chair with the resilient back according to the first preferred embodiment of the present invention; -
FIG. 5 is a cross sectional view showing the operation of the rotary blocks of the chair with the resilient back according to the first preferred embodiment of the present invention; -
FIG. 6 is a perspective view showing the assembly of a chair with a resilient back according to a second preferred embodiment of the present invention; -
FIG. 7 is a perspective view showing the exploded components of a chair with a resilient back according to a third preferred embodiment of the present invention. - The present invention will be clearer from the following description when viewed together with the accompanying drawings, which show, for purpose of illustrations only, the preferred embodiment in accordance with the present invention.
- With reference to
FIGS. 1-3 , a chair with a resilient back according to a first preferred embodiment of the present invention comprises aback member 1, acushion 12, and asupport member 18, thesupport member 18 includes a horizontallyhollow tube 9 in which anelastic mechanism 23 is disposed, theback member 1 includes two pressedpieces 2 fixed on two sides thereof respectively, lower ends of the two pressedpieces 2 connect with two ends of theelastic mechanism 23 individually, and thecushion 12 is secured on thesupport member 18. - The
elastic mechanism 23 includes apositioning member 8, a resilient rotatingshaft 6, tworotary blocks 5, two limitingmembers 4, and twolocking members 7, wherein thepositioning member 8 is fixed in the horizontallyhollow tube 9 of thesupport member 18 and includes a first non-circular hole, the resilient rotatingshaft 6 is a non-circular bar and is inserted through thepositioning member 8, eachrotary block 5 includes a second non-circular hole, and the tworotary blocks 5 are fitted onto two ends of the resilient rotatingshaft 6 respectively, each limitingmember 4 includes abore 19, a diameter of which is larger than that of therotary block 5, so that thebore 19 is fitted onto therotary block 5, the two limitingmembers 4 are covered on two ends of the horizontallyhollow tube 9 individually, each pressedpiece 2 includes anaperture 11, a shape of which is identical to that of therotary block 5, so that therotary block 5 is inserted into theaperture 11, the lower ends of the two pressedpieces 2 are connected together via the twolocking members 7 and the resilient rotatingshaft 6. - The pressed
piece 2 also includes a third non-circular hole formed on the lower end thereof, the resilient rotatingshaft 6 is inserted through the lower end of the pressedpiece 2 and includes aslot 21 arranged on a distal end thereof to retain thelocking member 7. - In this embodiment, the first non-circular hole of the
positioning member 8 is hexagonal, the resilient rotatingshaft 6 is formed in a hexagonal column and made of a steel, the second non-circular hole of therotary block 5 is hexagonal, and the third non-circular hole of the pressedpiece 2 is hexagonal as well, such that an axial force is transmitted easily by using the first, the second, and the third non-circular holes of thepositioning member 8, therotary block 5, and the pressedpiece 2 and the resilient rotatingshaft 6. Of course, the first, the second, the third non-circular holes of thepositioning member 8, therotary block 5, and the pressedpiece 2 can be semi-circular, oval, oblong, pentagonal, and trapezoid to transmit the axial force. - A cross section of the
rotary block 5 is formed in a drum shape (as shown inFIG. 4 ). A rotating angle of therotary block 5 in thebore 19 is 5-15 degrees (as illustrated inFIG. 5 ), i.e., a backward pressed angle of theback member 1 is 5-15 degrees to obtain a comfort and a safety purpose. Thereby, any desired backward pressed angle of theback member 1 is obtained by adjustingbore 19. - In this embodiment, the
limiting member 4 is connected with the horizontallyhollow tube 9 by welding. - The
cushion 12 is slidably placed on thesupport member 18, and thesupport member 18 includes twoprojections 22, and eachprojection 22 includes awasher 10, thewasher 12 includes tworollers 15 disposed on a lower side thereof, and the tworollers 15 are fixed beneath thewasher 12 by means of twostems 16 and covered by twocovers 14 individually, the tworollers 15 are pressed on twowashers 10 respectively, two sides of thecushion 12 are coupled with the two pressedpieces 2 by ways of twobolts 13 individually. Thereby, when theback member 1 is pressed backward, thecushion 12 rotates with theback member 1. - In this embodiment, the
support member 18 includes fourpads 17 secured therebeneath to prevent the chair from movement. - The pressed
pieces 2 and twoarmrests 3 are integrally formed to enhance an aesthetics appearance and facilitate production. - Referring to
FIG. 6 , a chair with a resilient back according to a second preferred embodiment of the present invention comprises asupport member 18 having four feet. - A chair with a resilient back according to a third preferred embodiment of the present invention comprises a
back member 1, acushion 12, and asupport member 18, thesupport member 18 includes a horizontallyhollow tube 9 in which anelastic mechanism 23 is disposed, and theback member 1 includes two pressedpieces 2 fixed on two sides thereof respectively, and lower ends of the two pressedpieces 2 connect with two ends of theelastic mechanism 23 individually, thecushion 12 is slidably placed on thesupport member 18. - In this embodiment, the
elastic mechanism 23 is a torsion spring 20 (as illustrated inFIG. 7 ), wherein a middle section of theelastic mechanism 20 is fixed, and two outer ends of thetorsion spring 20 are coupled with the lower end of the pressedpiece 2. - It is to be noted that the horizontally
hollow tubes 9 of the first, the second, and the third embodiments are all integrally formed on thesupport member 18. Of course, the horizontallyhollow tubes 9 are capable of being connected with thesupport member 18. - While we have shown and described various embodiments in accordance with the present invention, it is clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.
Claims (18)
1. A chair with a resilient back comprising:
a back member, a cushion, and a support member, characterized in that: the support member includes a horizontally hollow tube in which an elastic mechanism is disposed, the back member includes two pressed pieces fixed on two sides thereof respectively, lower ends of the two pressed pieces connect with two ends of the elastic mechanism individually, and the cushion is secured on the support member.
2. The chair with a resilient back as claimed in claim 1 , characterized in that the elastic mechanism is a torsion spring, a middle section of the elastic mechanism is fixed, and two outer ends of the torsion spring are coupled with the lower end of the pressed piece.
3. The chair with a resilient back as claimed in claim 1 , characterized in that the elastic mechanism includes a positioning member, a resilient rotating shaft, two rotary blocks, two limiting members, and two locking members, the positioning member is fixed in the horizontally hollow tube of the support member and includes a first non-circular hole, the resilient rotating shaft is a non-circular bar and is inserted through the positioning member, each rotary block includes a second non-circular hole, and the two rotary blocks are fitted onto two ends of the resilient rotating shaft respectively, each limiting member includes a bore, a diameter of which is larger than that of the rotary block, so that the bore is fitted onto the rotary block, the two limiting members are covered on two ends of the horizontally hollow tube individually, each pressed piece includes an aperture, a shape of which is identical to that of the rotary block, the rotary block is inserted into the aperture, the lower ends of the two pressed pieces are connected together via the two locking members and the resilient rotating shaft.
4. The chair with a resilient back as claimed in claim 3 , characterized in that the pressed piece includes a third non-circular hole formed on the lower end thereof, the resilient rotating shaft is inserted through the lower end of the pressed piece and includes a slot arranged on a distal end thereof to retain the locking member.
5. The chair with a resilient back as claimed in claim 4 , characterized in that the first non-circular hole of the positioning member is hexagonal, the resilient rotating shaft is formed in a hexagonal column and made of a steel, the second non-circular hole of the rotary block is hexagonal, and the third non-circular hole of the pressed piece is hexagonal.
6. The chair with a resilient back as claimed in claim 3 , characterized in that a cross section of the rotary block is formed in a drum shape.
7. The chair with a resilient back as claimed in claim 3 , characterized in that a rotating angle of the rotary block in the bore is 5-15 degrees, and a backward pressed angle of the back member is 5-15 degrees.
8. The chair with a resilient back as claimed in claim 3 , characterized in that the limiting members are connected with the horizontally hollow tube by selecting from a screw connecting, a bolt connecting, a rivet connecting, and a welding manner.
9. The chair with a resilient back as claimed in claim 1 , characterized in that the cushion is slidably placed on the support member, and the support member includes two projections, and each projection includes a washer, the washer includes two rollers disposed on a lower side thereof, and the two rollers are covered by two covers individually and pressed on two washers respectively, two sides of the cushion are coupled with the two pressed pieces.
10. The chair with a resilient back as claimed in claim 1 , characterized in that the pressed pieces and two armrests are integrally formed.
11. The chair with a resilient back as claimed in claim 2 , characterized in that the pressed pieces and two armrests are integrally formed.
12. The chair with a resilient back as claimed in claim 3 , characterized in that the pressed pieces and two armrests are integrally formed.
13. The chair with a resilient back as claimed in claim 4 , characterized in that the pressed pieces and two armrests are integrally formed.
14. The chair with a resilient back as claimed in claim 5 , characterized in that the pressed pieces and two armrests are integrally formed.
15. The chair with a resilient back as claimed in claim 6 , characterized in that the pressed pieces and two armrests are integrally formed.
16. The chair with a resilient back as claimed in claim 7 , characterized in that the pressed pieces and two armrests are integrally formed.
17. The chair with a resilient back as claimed in claim 8 , characterized in that the pressed pieces and two armrests are integrally formed.
18. The chair with a resilient back as claimed in claim 9 , characterized in that the pressed pieces and two armrests are integrally formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/173,516 US20130001994A1 (en) | 2011-06-30 | 2011-06-30 | Chair with a Resilient Back |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US13/173,516 US20130001994A1 (en) | 2011-06-30 | 2011-06-30 | Chair with a Resilient Back |
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US20130001994A1 true US20130001994A1 (en) | 2013-01-03 |
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US13/173,516 Abandoned US20130001994A1 (en) | 2011-06-30 | 2011-06-30 | Chair with a Resilient Back |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9173492B1 (en) * | 2014-06-06 | 2015-11-03 | Jacques Fortin | Self-reclining chair |
US20160157615A1 (en) * | 2014-12-04 | 2016-06-09 | Pro-Cord S.P.A. | Chair with elastically-deformable seat and backrest |
US20160255960A1 (en) * | 2014-12-04 | 2016-09-08 | Pro-Cord S.P.A. | Chair with elastically-deformable seat and/or backrest |
US20220295996A1 (en) * | 2021-03-18 | 2022-09-22 | Pro-Cord S.P.A. | Chair with pivoting seat and backrest |
WO2023055918A1 (en) * | 2021-10-01 | 2023-04-06 | Current Products Corp. | Seating system |
Citations (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US878889A (en) * | 1907-06-13 | 1908-02-11 | John Z Miller | Folding seat. |
US1825581A (en) * | 1929-08-28 | 1931-09-29 | Comerford William | Resilient seat |
US2046198A (en) * | 1934-11-23 | 1936-06-30 | Letts Charles | Portable folding seat |
US2991125A (en) * | 1957-03-21 | 1961-07-04 | Lie Finn | Tilting chair construction |
US3136580A (en) * | 1962-05-22 | 1964-06-09 | Bassick Co | Chair control |
US3224807A (en) * | 1963-07-19 | 1965-12-21 | Steelcase Inc | Back support adjustment for torsion chair |
US3240528A (en) * | 1964-03-11 | 1966-03-15 | Stewart Warner Corp | Control for executive posture chair |
US3250567A (en) * | 1964-02-21 | 1966-05-10 | Stewart Warner Corp | Chair control |
US3386770A (en) * | 1967-09-18 | 1968-06-04 | Stewart Warner Corp | Double action chair control |
US3402964A (en) * | 1966-12-30 | 1968-09-24 | Stewart Warner Corp | Torsion bar chair control |
US3552796A (en) * | 1969-03-24 | 1971-01-05 | Stewart Warner Corp | Torsion bar chair control |
US3592433A (en) * | 1969-02-25 | 1971-07-13 | Bliss & Laughlin Ind | Torsion bar chair control |
US3598354A (en) * | 1969-08-27 | 1971-08-10 | Stewart Warner Corp | Chair control structure |
US4438978A (en) * | 1981-11-18 | 1984-03-27 | Tor Arild | Tilt back mechanism for a chair |
US4586748A (en) * | 1983-06-01 | 1986-05-06 | Stow & Davis Furniture Company | Adjustable chair iron |
US4641885A (en) * | 1983-07-20 | 1987-02-10 | Protoned B.V. | Work chair having a vertically adjustable chair support |
US4703974A (en) * | 1984-10-23 | 1987-11-03 | Protoned B.V. | Seat furniture |
US4718726A (en) * | 1987-07-07 | 1988-01-12 | Estkowski Michael H | Chair seat tilt control |
US4840426A (en) * | 1987-09-30 | 1989-06-20 | Davis Furniture Industries, Inc. | Office chair |
US4889385A (en) * | 1988-03-09 | 1989-12-26 | American Seating Company | Chair seat-and-back support |
US4892354A (en) * | 1989-06-30 | 1990-01-09 | Shepherd Products U.S., Inc. | Chair seat tilt control |
US5018787A (en) * | 1990-06-20 | 1991-05-28 | Shepherd Products U.S. Inc. | Chair seat tilt control |
US5209548A (en) * | 1990-11-14 | 1993-05-11 | Giroflex Entwicklungs Ag | Chair, in particular office chair |
US5282670A (en) * | 1992-04-20 | 1994-02-01 | Steelcase Inc. | Cable actuated variable stop mechanism |
US5782536A (en) * | 1995-02-17 | 1998-07-21 | Steelcase Inc. | Modular chair construction and method of assembly |
US5810439A (en) * | 1996-05-09 | 1998-09-22 | Haworth, Inc. | Forward-rearward tilt control for chair |
US5902012A (en) * | 1997-04-03 | 1999-05-11 | Han; Moogil | Chair with movable back |
US6065803A (en) * | 1999-05-05 | 2000-05-23 | L&P Property Management Company | Seat back tilt control apparatus |
US6070937A (en) * | 1998-09-02 | 2000-06-06 | Ginat; Jonathan | Chair with user responsive reclinable back-support |
US6582019B2 (en) * | 2000-03-17 | 2003-06-24 | Herman Miller, Inc. | Tilt assembly for a chair |
US6588845B2 (en) * | 1994-06-10 | 2003-07-08 | Haworth, Inc. | Chair |
US6793284B1 (en) * | 2003-03-19 | 2004-09-21 | L & P Property Management Company | Steel spring with dwell for chairs |
US7118177B2 (en) * | 2004-01-26 | 2006-10-10 | Pro-Cord Spa | Chair with tiltable backrest |
US7445287B2 (en) * | 2006-07-20 | 2008-11-04 | Kuo-Ching Chou | Seat device for a chair |
US20100187883A1 (en) * | 2009-01-23 | 2010-07-29 | Chen Yung-Hua | Apparatus for adjusting the seat back angle |
US7802847B2 (en) * | 2008-12-16 | 2010-09-28 | Kuo-Ching Chou | Angle-adjusting structure for backrest of chair |
US8272691B2 (en) * | 2010-06-04 | 2012-09-25 | Fuh Shyan Co., Ltd. | Resilient lower-back supporting device capable of vertical adjustment along with backrest of chair |
-
2011
- 2011-06-30 US US13/173,516 patent/US20130001994A1/en not_active Abandoned
Patent Citations (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US878889A (en) * | 1907-06-13 | 1908-02-11 | John Z Miller | Folding seat. |
US1825581A (en) * | 1929-08-28 | 1931-09-29 | Comerford William | Resilient seat |
US2046198A (en) * | 1934-11-23 | 1936-06-30 | Letts Charles | Portable folding seat |
US2991125A (en) * | 1957-03-21 | 1961-07-04 | Lie Finn | Tilting chair construction |
US3136580A (en) * | 1962-05-22 | 1964-06-09 | Bassick Co | Chair control |
US3224807A (en) * | 1963-07-19 | 1965-12-21 | Steelcase Inc | Back support adjustment for torsion chair |
US3250567A (en) * | 1964-02-21 | 1966-05-10 | Stewart Warner Corp | Chair control |
US3240528A (en) * | 1964-03-11 | 1966-03-15 | Stewart Warner Corp | Control for executive posture chair |
US3402964A (en) * | 1966-12-30 | 1968-09-24 | Stewart Warner Corp | Torsion bar chair control |
US3386770A (en) * | 1967-09-18 | 1968-06-04 | Stewart Warner Corp | Double action chair control |
US3592433A (en) * | 1969-02-25 | 1971-07-13 | Bliss & Laughlin Ind | Torsion bar chair control |
US3552796A (en) * | 1969-03-24 | 1971-01-05 | Stewart Warner Corp | Torsion bar chair control |
US3598354A (en) * | 1969-08-27 | 1971-08-10 | Stewart Warner Corp | Chair control structure |
US4438978A (en) * | 1981-11-18 | 1984-03-27 | Tor Arild | Tilt back mechanism for a chair |
US4586748A (en) * | 1983-06-01 | 1986-05-06 | Stow & Davis Furniture Company | Adjustable chair iron |
US4641885A (en) * | 1983-07-20 | 1987-02-10 | Protoned B.V. | Work chair having a vertically adjustable chair support |
US4703974A (en) * | 1984-10-23 | 1987-11-03 | Protoned B.V. | Seat furniture |
US4718726A (en) * | 1987-07-07 | 1988-01-12 | Estkowski Michael H | Chair seat tilt control |
US4840426A (en) * | 1987-09-30 | 1989-06-20 | Davis Furniture Industries, Inc. | Office chair |
US4889385A (en) * | 1988-03-09 | 1989-12-26 | American Seating Company | Chair seat-and-back support |
US4892354A (en) * | 1989-06-30 | 1990-01-09 | Shepherd Products U.S., Inc. | Chair seat tilt control |
US5018787A (en) * | 1990-06-20 | 1991-05-28 | Shepherd Products U.S. Inc. | Chair seat tilt control |
US5209548A (en) * | 1990-11-14 | 1993-05-11 | Giroflex Entwicklungs Ag | Chair, in particular office chair |
US5282670A (en) * | 1992-04-20 | 1994-02-01 | Steelcase Inc. | Cable actuated variable stop mechanism |
US6588845B2 (en) * | 1994-06-10 | 2003-07-08 | Haworth, Inc. | Chair |
US6820936B2 (en) * | 1994-06-10 | 2004-11-23 | Haworth, Inc. | Chair |
US5782536A (en) * | 1995-02-17 | 1998-07-21 | Steelcase Inc. | Modular chair construction and method of assembly |
US5810439A (en) * | 1996-05-09 | 1998-09-22 | Haworth, Inc. | Forward-rearward tilt control for chair |
US5902012A (en) * | 1997-04-03 | 1999-05-11 | Han; Moogil | Chair with movable back |
US6070937A (en) * | 1998-09-02 | 2000-06-06 | Ginat; Jonathan | Chair with user responsive reclinable back-support |
US6065803A (en) * | 1999-05-05 | 2000-05-23 | L&P Property Management Company | Seat back tilt control apparatus |
US6582019B2 (en) * | 2000-03-17 | 2003-06-24 | Herman Miller, Inc. | Tilt assembly for a chair |
US6793284B1 (en) * | 2003-03-19 | 2004-09-21 | L & P Property Management Company | Steel spring with dwell for chairs |
US7118177B2 (en) * | 2004-01-26 | 2006-10-10 | Pro-Cord Spa | Chair with tiltable backrest |
US7445287B2 (en) * | 2006-07-20 | 2008-11-04 | Kuo-Ching Chou | Seat device for a chair |
US7802847B2 (en) * | 2008-12-16 | 2010-09-28 | Kuo-Ching Chou | Angle-adjusting structure for backrest of chair |
US20100187883A1 (en) * | 2009-01-23 | 2010-07-29 | Chen Yung-Hua | Apparatus for adjusting the seat back angle |
US8272691B2 (en) * | 2010-06-04 | 2012-09-25 | Fuh Shyan Co., Ltd. | Resilient lower-back supporting device capable of vertical adjustment along with backrest of chair |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9173492B1 (en) * | 2014-06-06 | 2015-11-03 | Jacques Fortin | Self-reclining chair |
US20160157615A1 (en) * | 2014-12-04 | 2016-06-09 | Pro-Cord S.P.A. | Chair with elastically-deformable seat and backrest |
US20160255960A1 (en) * | 2014-12-04 | 2016-09-08 | Pro-Cord S.P.A. | Chair with elastically-deformable seat and/or backrest |
US9826838B2 (en) * | 2014-12-04 | 2017-11-28 | Pro-Cord S.P.A. | Chair with elastically-deformable seat and/or backrest |
US20220295996A1 (en) * | 2021-03-18 | 2022-09-22 | Pro-Cord S.P.A. | Chair with pivoting seat and backrest |
US11857084B2 (en) * | 2021-03-18 | 2024-01-02 | Pro-Cord S.P.A. | Chair with pivoting seat and backrest |
WO2023055918A1 (en) * | 2021-10-01 | 2023-04-06 | Current Products Corp. | Seating system |
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Legal Events
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