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  1. Erweiterte Patentsuche
VeröffentlichungsnummerUS2314861 A
Veröffentlichungsdatum30. März 1943
Eingetragen8. Mai 1941
Prioritätsdatum8. Mai 1941
VeröffentlichungsnummerUS 2314861 A, US 2314861A, US-A-2314861, US2314861 A, US2314861A
ErfinderBruno Antonelli
Ursprünglich BevollmächtigterBruno Antonelli
Zitat exportierenBiBTeX, EndNote, RefMan
Externe Links: USPTO, USPTO-Zuordnung, Espacenet
Sewing machine presser foot
US 2314861 A
Zusammenfassung  auf verfügbar
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Beschreibung  (OCR-Text kann Fehler enthalten)

March 30, 1943. B. ANTONELLI SEWING MACHINE PRESSER FOOT Filed May a, 1941 Attorney iatented Mar. 30, 1943 UNITED STATES ATENT OFFICE SEWING MACHINE PRESSER FOOT Bruno Antonelli, Fall River, Mass.

Application May 8, 1941, Serial No. 392,539

1 Claim.

My invention relates to improvements in sewing machine presser feet and particularly to means therein permitting a limited universal movement of the foot relative to the shank causing the foot to follow the work more uniformly and exert a more even pressure thereon, and

the primary object of my invention is to provide a simple and efficient arrangement of this character of relatively simple and inexpensive construction, composed of relatively few parts.

Other important objects and advantages of my invention will be apparent from a reading of the following description taken in connection with the drawing, wherein for purposes of illustration I have shown a preferred embodiment of my invention.

In the drawing:

Figure 1 is a general vertical longitudinal sectional view taken through Figure 2 along the line l-l and looking upwardly in the direction of the arrow.

Figure 2 is a top plan view of Figure 1.

Figure 3 is a perspective view of the joint element.

Referring in detail to the drawing, the numeral 5 generally designates a conventional form of vertical shank having a generally U-shaped horizontal cross section as indicated in Figure 2 and terminating at its lower end in a forwardly and slightly downwardly declining elongated terminal 6 which is generally rectangular in cross section and provided with a centralized longitudinal bore I rotatably receiving the shaft 8 which projects from the head 9 in a rearward and upward direction, the head 9 forming a shoulder bearing against the forward end of the part 5. A pin l0 traversing the rear end of the shaft 8 holds the described parts rotatably associated together.

The head 9 is substantially rectangular in top plan and has a substantially triangular transverse cross section as indicated in Figures 1 and 3, the upper and lower surfaces H and I2, respectively, being convexly rounded.

A hinge pin [3 extends longitudinally through the head 9 at the approximate longitudinal center thereof and has its ends pivotally received as indicated by the numerals M in Figure 2 of the drawing in the laterally spaced longitudinal shoulders and I6 which are formed on the heel portion ll of the foot which is generally designated l8. The top of the heel portion l'l between the shoulders l5 and I6 is concaved or hollowed out as indicated by the numeral IS, a portion of the resultant depression acting as a guideway for the rounded under surface l2 of the head 9 of the shank member, whereby the shank 5 may pivot on the axis of the pivot pin l3 as well as laterally on the axis of the shaft 8, thereby achieving a limited universal action, the lateral limitation being provided by the inner sides of the shoulders l5 and I6 and the rocking on the pin l3 by the engagement of the under surface 12 of the head 9 with the depression 19.

As seen in Figure 2 of the drawing, the thread hole 20 is located immediately forwardly of the head 9 and the head 9 has a concavity 2! in its forward edge and upper surface to accommodate the thread. The hole 20 is aligned with the usual slot 22 in the foot portion l8.

Although I have shown and described herein a preferred embodiment of my invention, it is to be definitely understood that I do not desire to limit the application of the invention thereto except as may be required by the scope of the subjoined claim.

Having described the invention, what is claimed as new is:

A sewing machine presser foot structure comprising a foot having a pair of laterally spaced shoulders, a transverse pivot pin extending between said shoulders, a joint element having a head pivoted on said pin, a shaft extending rearwardly from said head longitudinally of the foot, and a shank having a lower terminal positioned between said shoulders and pivoted on said shaft, said joint element and said foot having convex and concave faces, respectively, coacting to permit limited pivotal movement of the foot about the axis of the pin on which the head is pivoted.


Referenziert von
Zitiert von PatentEingetragen Veröffentlichungsdatum Antragsteller Titel
US2808794 *21. Nov. 19558. Okt. 1957White Sewing Machine CorpVertically pivoted presser foot for zigzag sewing
US2900942 *31. Aug. 195625. Aug. 1959Singer Mfg CoShirring presser foot
US3026832 *10. Nov. 195827. März 1962Aichi Kogyo Kabushiki KaishaZigzag embroidering machines
US3198150 *29. Okt. 19633. Aug. 1965Angelo MicaleShirring foot
US-Klassifikation112/235, D15/72
Internationale KlassifikationD05B29/00
Europäische KlassifikationD05B29/00