US20020035825A1 - Pedal lift system for lawn tractor mower deck - Google Patents

Pedal lift system for lawn tractor mower deck Download PDF

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Publication number
US20020035825A1
US20020035825A1 US09/900,215 US90021501A US2002035825A1 US 20020035825 A1 US20020035825 A1 US 20020035825A1 US 90021501 A US90021501 A US 90021501A US 2002035825 A1 US2002035825 A1 US 2002035825A1
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United States
Prior art keywords
latch
deck
frame
tractor
console
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Granted
Application number
US09/900,215
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US6427430B1 (en
Inventor
James Swartzendruber
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Deere and Co
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Deere and Co
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Filing date
Publication date
Priority claimed from US09/638,991 external-priority patent/US6837032B1/en
Application filed by Deere and Co filed Critical Deere and Co
Priority to US09/900,215 priority Critical patent/US6427430B1/en
Assigned to DEERE & COMPANY reassignment DEERE & COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SWARTZENDRUBER, JAMES ALLEN
Publication of US20020035825A1 publication Critical patent/US20020035825A1/en
Priority to CA 2392660 priority patent/CA2392660A1/en
Application granted granted Critical
Publication of US6427430B1 publication Critical patent/US6427430B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/64Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D2101/00Lawn-mowers

Definitions

  • the present invention relates generally to lawn and garden tractors having a mowing deck, and more specifically, to a foot pedal system for raising and lowering the deck.
  • a primary objective of the present invention is the provision of a pedal lift system for raising and lowering the mower deck of a lawn or garden tractor.
  • Another objective of the present invention is the provision of a foot pedal for use by a person sitting on the seat of a lawn or garden tractor to raise and lower the mower deck.
  • a further objective of the present invention is the provision of foot pedal lift system for a lawn tractor mower deck which can be quickly and easily actuated for raising and lowering the mower deck.
  • Another objective of the present invention is the provision of a foot pedal for raising and lowering the mower deck of a lawn or garden tractor which can be latched to retain the deck in a raised or lowered position.
  • the lawn tractor of the present invention has a foot pedal pivotally mounted to the frame and linked to the deck to move the deck between a raised transport position and a lowered deck-removal position.
  • a latch is pivotally mounted to an exterior portion of the tractor console, and is adapted to engage the foot pedal to retain the pedal in a forward depressed position wherein the deck is raised and a rearward retracted position wherein the deck is lowered.
  • a manually operated handle mounted on the console is connected to the latch so as to manually actuate the latch for engagement with or disengagement from the foot pedal.
  • a spring extends between the frame and the foot pedal to bias the pedal toward the forward position.
  • FIG. 2 is another perspective view of the tractor frame with the foot pedal latched in the forward position.
  • FIG. 3 is a view similar to FIG. 2 showing the foot pedal in an unlatched rearward position.
  • FIG. 4 is a view similar to FIG. 3 showing the foot pedal in an unlatched rearward position.
  • FIG. 5 is a view similar to FIG. 2 showing the foot pedal latched in the rearward retracted position.
  • FIG. 7 is a perspective view showing an internal portion of the tractor console with the latch and connecting rod.
  • the improved lawn or garden tractor of the present invention includes a frame 10 with a console 12 mounted thereon.
  • the frame 10 is supported by wheels (not shown), and a motor (not shown) is mounted on the frame for driving the wheels.
  • a seat (not shown) is also provided upon which an operator can sit.
  • the console 12 includes the ignition and steering wheel, as well as other controls (not shown).
  • a mower deck (not shown) is suspended from the frame 10 on a rock shaft 14 and linkages, including lift links 16 and lost motion links 18 .
  • the rock shaft 14 is connected to an adjustment assembly, including a stepped wheel (not shown), to adjust the height of the mower deck.
  • a latch 26 is pivotally mounted to an external portion of the console 12 .
  • the latch is adapted to engage the plate 22 so as to retain the foot pedal 20 in the forward and retracted positions.
  • the latch 26 is mounted on a hollow shaft 28 and retained by a clip 30 .
  • the shaft 28 extends through a hole in the console, and has an enlarged flange 29 on the backside which is welded to the inner surface of the console 12 , as seen in FIG. 7.
  • Movement of the latch 26 is accomplished by a control member including a handle 46 projecting from the console 12 and a connecting rod 48 extending between the handle 46 and the latch 26 .
  • the lower end 50 of the connecting rod 48 extends through a slot 52 in the sidewall of the console 12 and is secured to the second end 34 of the latch 26 by a pin or any other convenient means.
  • the latch includes an inner yoke 53 extending along the inner wall of the console 12 , as seen in FIG. 7.
  • the yoke 53 has a stub shaft 53 A, as seen in FIG. 2, extending into the hollow shaft 28 .
  • the end 50 of the connecting rod 48 is retained in the yoke 53 by a spring 55 hooked around the rod 48 and a portion of the console 12 .
  • the spring 55 serves as an over-center spring holding the rod 48 and yoke 53 in the raised or lowered position within the slot 52 .
  • the handle 46 can be pulled upwardly by the operator, thereby pulling the rod 48 upwardly so as to pivot the latch 26 in a counterclockwise direction as seen in FIG. 1 so as to engage one end or the other of the plate 22 . Conversely, when the handle 46 is pushed downwardly, the connecting rod 48 moves downwardly within the slot 52 to pivot the latch 26 in a clockwise direction, as seen in FIG. 1, so as to disengage the latch 26 from the plate 22 .
  • the pivotal movement of the foot pedal 20 is transferred to the mower deck by a rod or link 54 extending between the plate 22 and a linkage arm 56 .
  • the plate 22 pulls the rod 54 and linkage arm 56 forwardly to thereby raise the mower deck to the transport position.
  • the handle 46 is then pulled upwardly such that the forward side of the projection 36 of the latch 26 engages the rear notch 42 on the plate 22 so as to retain the mower deck in the transport position.
  • An optional spring 58 extends between the frame 10 and the plate 22 so as to urge the plate 22 and the foot pedal 20 toward the depressed forward position, thereby facilitating movement of the mower deck to the raised position.

Abstract

A foot pedal lift system is provided for the mower deck of a lawn or garden tractor. The foot pedal is pivotally mounted to the frame of the tractor and is linked to the linkage arms which suspend the mower deck from the frame. The pedal is movable between a depressed forward position to raise the mower deck to a transport position and a retracted rearward position to move the mower deck to a lower removal position. The pedal can be locked in the depressed or retracted positions by a latch pivotally mounted on the exterior of the tractor console. Engagement and disengagement of the latch with the foot pedal is controlled by a handle mounted on the console connected to the latch by an elongated connecting rod. Pulling upwardly on the handle locks the latch into engagement with the foot pedal in both the depressed and retracted positions. Pushing downwardly on the handle disengages the latch from the foot pedal so that the mower deck is free to move upwardly or downwardly.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This application is a Continuation-In-Part of pending application U.S. Ser. No. 09/638,991 filed on Aug. 15, 2000.[0001]
  • BACKGROUND OF THE INVENTION
  • 1) Field of the Invention [0002]
  • The present invention relates generally to lawn and garden tractors having a mowing deck, and more specifically, to a foot pedal system for raising and lowering the deck. [0003]
  • 2) Related Art [0004]
  • Lawn and garden tractors conventionally have a mower deck suspended from a frame, with the deck being raised and lowered by means of a hand-actuated lever. Such a hand lever necessarily requires strength in the operator's arm and back. Movement of the hand lever includes a risk of back strain to the operator, who normally is bending over or leaning forward from the tractor seat to operate the lever. Full raising of the deck is particularly desirable for transport of the tractor when the mower blades are not engaged for cutting. Complete lowering of the deck is necessary when the deck is to be removed from the tractor for maintenance or other purposes. [0005]
  • BRIEF SUMMARY OF THE INVENTION
  • Therefore, a primary objective of the present invention is the provision of a pedal lift system for raising and lowering the mower deck of a lawn or garden tractor. [0006]
  • Another objective of the present invention is the provision of a foot pedal for use by a person sitting on the seat of a lawn or garden tractor to raise and lower the mower deck. [0007]
  • A further objective of the present invention is the provision of foot pedal lift system for a lawn tractor mower deck which can be quickly and easily actuated for raising and lowering the mower deck. [0008]
  • Another objective of the present invention is the provision of a foot pedal for raising and lowering the mower deck of a lawn or garden tractor which can be latched to retain the deck in a raised or lowered position. [0009]
  • In accordance with the above objectives, the lawn tractor of the present invention has a foot pedal pivotally mounted to the frame and linked to the deck to move the deck between a raised transport position and a lowered deck-removal position. A latch is pivotally mounted to an exterior portion of the tractor console, and is adapted to engage the foot pedal to retain the pedal in a forward depressed position wherein the deck is raised and a rearward retracted position wherein the deck is lowered. A manually operated handle mounted on the console is connected to the latch so as to manually actuate the latch for engagement with or disengagement from the foot pedal. A spring extends between the frame and the foot pedal to bias the pedal toward the forward position. [0010]
  • The objectives, features and advantages of the present invention will become apparent to one skilled in the art upon reading the following detailed description in view of the drawings.[0011]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a rear perspective view of the lawn tractor frame with the foot pedal of the present invention latched in a forward position. [0012]
  • FIG. 2 is another perspective view of the tractor frame with the foot pedal latched in the forward position. [0013]
  • FIG. 3 is a view similar to FIG. 2 showing the foot pedal in an unlatched rearward position. [0014]
  • FIG. 4 is a view similar to FIG. 3 showing the foot pedal in an unlatched rearward position. [0015]
  • FIG. 5 is a view similar to FIG. 2 showing the foot pedal latched in the rearward retracted position. [0016]
  • FIG. 6 is a partial front elevation view showing the foot pedal and latch assembly. [0017]
  • FIG. 7 is a perspective view showing an internal portion of the tractor console with the latch and connecting rod.[0018]
  • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • The improved lawn or garden tractor of the present invention includes a [0019] frame 10 with a console 12 mounted thereon. The frame 10 is supported by wheels (not shown), and a motor (not shown) is mounted on the frame for driving the wheels. A seat (not shown) is also provided upon which an operator can sit. The console 12 includes the ignition and steering wheel, as well as other controls (not shown). A mower deck (not shown) is suspended from the frame 10 on a rock shaft 14 and linkages, including lift links 16 and lost motion links 18. The rock shaft 14 is connected to an adjustment assembly, including a stepped wheel (not shown), to adjust the height of the mower deck.
  • The above described structure of the tractor is conventional, and does not constitute a part of the present invention. [0020]
  • The present invention is directed towards a pedal lift system for moving the mower deck between a raised transport position and a lowered deck-removal position. More particularly, the pedal lift system of the present invention includes a [0021] foot pedal 20 connected to a plate 22. The plate 22 is mounted on a collar or shaft 24 which is pivotally mounted on the frame 10, such that the foot pedal 20 and plate 22 are pivotal about the horizontal axis of the collar 24. The foot pedal is movable between a depressed forward position, shown in FIGS. 1 and 2, and a retracted rearward position, shown in FIGS. 3, 4 and 5.
  • A [0022] latch 26 is pivotally mounted to an external portion of the console 12. The latch is adapted to engage the plate 22 so as to retain the foot pedal 20 in the forward and retracted positions.
  • More particularly, the [0023] latch 26 is mounted on a hollow shaft 28 and retained by a clip 30. The shaft 28 extends through a hole in the console, and has an enlarged flange 29 on the backside which is welded to the inner surface of the console 12, as seen in FIG. 7.
  • The [0024] latch 26 includes opposite first and second ends 32, 34. The first end 32 of the latch 26 includes an outwardly extending projection 36 having opposing forward and rearward sides 38, 40, respectively. The forward surface 38 of the projection 36 is adapted to engage a rear notch 42 on the plate 22 so as to retain the foot pedal 20 in the forward position, as seen in FIGS. 1 and 2. The rearward surface 40 of the projection 36 is adapted to engage a front notch 44 on the plate 22 to retain the foot pedal 20 in the rearward position, as seen in FIG. 5.
  • Movement of the [0025] latch 26 is accomplished by a control member including a handle 46 projecting from the console 12 and a connecting rod 48 extending between the handle 46 and the latch 26. The lower end 50 of the connecting rod 48 extends through a slot 52 in the sidewall of the console 12 and is secured to the second end 34 of the latch 26 by a pin or any other convenient means. The latch includes an inner yoke 53 extending along the inner wall of the console 12, as seen in FIG. 7. The yoke 53 has a stub shaft 53A, as seen in FIG. 2, extending into the hollow shaft 28. The end 50 of the connecting rod 48 is retained in the yoke 53 by a spring 55 hooked around the rod 48 and a portion of the console 12. The spring 55 serves as an over-center spring holding the rod 48 and yoke 53 in the raised or lowered position within the slot 52.
  • The [0026] handle 46 can be pulled upwardly by the operator, thereby pulling the rod 48 upwardly so as to pivot the latch 26 in a counterclockwise direction as seen in FIG. 1 so as to engage one end or the other of the plate 22. Conversely, when the handle 46 is pushed downwardly, the connecting rod 48 moves downwardly within the slot 52 to pivot the latch 26 in a clockwise direction, as seen in FIG. 1, so as to disengage the latch 26 from the plate 22.
  • The pivotal movement of the [0027] foot pedal 20 is transferred to the mower deck by a rod or link 54 extending between the plate 22 and a linkage arm 56. Thus, when the foot pedal 20 is depressed to pivot to the forward position, the plate 22 pulls the rod 54 and linkage arm 56 forwardly to thereby raise the mower deck to the transport position. The handle 46 is then pulled upwardly such that the forward side of the projection 36 of the latch 26 engages the rear notch 42 on the plate 22 so as to retain the mower deck in the transport position. An optional spring 58 extends between the frame 10 and the plate 22 so as to urge the plate 22 and the foot pedal 20 toward the depressed forward position, thereby facilitating movement of the mower deck to the raised position.
  • When it is desired to lower the mower deck from the transport position, the [0028] foot pedal 20 is depressed slightly further, and the handle 46 is pushed downwardly so as to pivot the latch 26 out of engagement with the rear notch 42 of the plate 22. The foot pedal 20 can then be released, such that the mower deck will move downwardly by gravity, overcoming the bias of the spring 58, if so equipped. The deck can be moved to a lower most removal position in engagement with the ground for removal in a conventional manner. When the deck is fully lowered, the foot pedal 20 and the plate 22 will be in the position shown in FIG. 4. The deck can be locked against movement away from the removal position by pulling the handle 46 upwardly so as to pivot the latch 26 such that the rear side 40 of the projection 36 engages the forward notch 44 of the plate 22, as seen in FIG. 5.
  • Whereas the invention has been shown and described in connection with the preferred embodiment thereof, it will be understood that any modifications, substitutions, and additions may be made which are within the intended broad scope of the following claims. From the foregoing, it can be seen that the present invention accomplishes at least all of the stated objectives. [0029]

Claims (19)

What is claimed is:
1. An improved lawn and garden tractor having a frame, a mower deck suspended beneath the frame, and a console with mowing controls, the improvement comprising:
a foot pedal operatively connected to the deck and pivotally mounted to the frame for movement between forward and rearward positions to move the deck between transport and removal positions, respectively;
a latch mounted on the console and movable between first and second positions to selectively retain the pedal in the forward and rearward positions; and
a control member connected to the latch for moving the latch between the first and second positions.
2. The tractor of claim 1 wherein the control member is a manually operated handle.
3. The tractor of claim 2 wherein the handle is mounted on the console.
4. The tractor of claim 1 wherein the foot pedal includes a plate having opposite forward and rearward ends adapted to be engaged by the latch when the latch moves to the first position from the second position.
5. The tractor of claim 1 wherein the latch is pivotally mounted to the console.
6. The tractor of claim 1 wherein the latch is mounted to an external surface of the console.
7. The tractor of claim 1 further comprising a spring extending between the frame and pedal to bias the pedal toward the forward position.
8. The tractor of claim 1 wherein the latch has first and second ends and is pivotally connected to the console between the first and second ends, and the control member is connected to the second end of the latch.
9. The tractor of claim 8 wherein the control member includes a handle mounted on the console and a connecting rod having a first end connected to the handle and a second end connected to the second end of the latch.
10. The tractor of claim 9 wherein the second end of the connecting rod extends through an elongated slot in the console and moves along the slot upon actuation of the handle.
11. A lawn mower, comprising:
a frame;
wheels mounted to the frame;
a deck adjustably mounted to the frame, and having at least one rotatable cutting blade;
a motor supported by the frame and being drivingly connected to the cutting blade and to the wheels;
a seat on the frame upon which a rider may sit;
a foot pedal pivotally mounted on the frame and linked to the deck to raise and lower the deck; and
a latch engageable with the foot pedal to limit movement of the deck.
12. The lawn mower of claim 11 further comprising a control member connected to the latch to control engagement and disengagement of the latch and the foot pedal.
13. The lawn mower of claim 12 wherein the control member is a handle for actuation by the rider.
14. The lawn mower of claim 11 further comprising a console on the frame for housing mower controls.
15. The lawn mower of claim 14 wherein the latch is pivotally mounted on an exterior portion of the console.
16. The lawn mower of claim 11 further comprising a spring extending between the frame and foot pedal to facilitate raising of the deck.
17. The lawn mower of claim 11 wherein the foot pedal is depressed by the rider to raise the deck and the latch engages the depressed pedal to retain the deck in a raised position.
18. The lawn mower of claim 17 wherein the latch is disengageable from the depressed pedal such that the deck will move by gravity to a lower position and thereby retract the foot pedal.
19. The lawn mower of claim 18 wherein the latch is engageable with the retracted pedal to retain the deck in the lower position.
US09/900,215 2000-08-15 2001-07-06 Pedal lift system for lawn tractor mower deck Expired - Lifetime US6427430B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09/900,215 US6427430B1 (en) 2000-08-15 2001-07-06 Pedal lift system for lawn tractor mower deck
CA 2392660 CA2392660A1 (en) 2001-07-06 2002-07-05 Pedal lift system for lawn tractor mower deck

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/638,991 US6837032B1 (en) 2000-08-15 2000-08-15 Pedal actuated height adjustment mechanism for a mower cutting deck
US09/900,215 US6427430B1 (en) 2000-08-15 2001-07-06 Pedal lift system for lawn tractor mower deck

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/638,991 Continuation-In-Part US6837032B1 (en) 2000-08-15 2000-08-15 Pedal actuated height adjustment mechanism for a mower cutting deck

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US20020035825A1 true US20020035825A1 (en) 2002-03-28
US6427430B1 US6427430B1 (en) 2002-08-06

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
US7013626B1 (en) * 2003-07-18 2006-03-21 Auburn Consolidated Industries, Inc. Walk behind mower
US20080190087A1 (en) * 2007-02-14 2008-08-14 Elhardt Paul M Mower Deck Lift System With Transport Lock
US20080229725A1 (en) * 2007-03-20 2008-09-25 Mtd Products Inc Foot actuated height adjustment mechanism for a lawnmower cutting deck
EP2000017A1 (en) * 2007-06-07 2008-12-10 Deere & Company Unitary rear frame
EP2380425A1 (en) * 2010-04-21 2011-10-26 AL-KO Kober AG Lawn tractor with fan belt drive
WO2013041135A1 (en) * 2011-09-21 2013-03-28 Husqvarna Ab Lawn care vehicle with cutting deck lifting pedal
US20150121832A1 (en) * 2013-11-01 2015-05-07 Amerequip Corporation Adjustment mechanism for lawn mower deck attached to a tractor
US20210076566A1 (en) * 2019-09-17 2021-03-18 Globe (Jiangsu) Co., Ltd Cutting deck lifting device and mower having cutting deck lifting device
US11006574B1 (en) 2017-02-14 2021-05-18 Alamo Group Inc. Mower with rotary cut height adjustment

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US7861502B1 (en) 2009-09-09 2011-01-04 Deere & Company Top adjusting linkage for leveling a mower deck
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US20160316619A1 (en) 2015-05-01 2016-11-03 Deere & Company Height of cut control system
US9861035B2 (en) 2015-05-01 2018-01-09 Deere & Company Height of cut control system
US11240957B2 (en) 2018-06-21 2022-02-08 Deere & Company Mower deck transport lock
US11310961B2 (en) 2019-04-18 2022-04-26 Deere & Company Mower deck transport lock

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Publication number Priority date Publication date Assignee Title
US7013626B1 (en) * 2003-07-18 2006-03-21 Auburn Consolidated Industries, Inc. Walk behind mower
US20090031687A1 (en) * 2007-02-14 2009-02-05 Elhardt Paul M Mower deck lift system with transport lock
US20080190087A1 (en) * 2007-02-14 2008-08-14 Elhardt Paul M Mower Deck Lift System With Transport Lock
EP1958492A1 (en) * 2007-02-14 2008-08-20 Deere & Company Mower deck lift system
US7614207B2 (en) 2007-02-14 2009-11-10 Deere & Company Mower deck lift system with transport lock
US7448191B2 (en) 2007-02-14 2008-11-11 Deere & Company Mower deck lift system with transport lock
US7578117B2 (en) 2007-03-20 2009-08-25 Mtd Products Inc Foot actuated height adjustment mechanism for a lawnmower cutting deck
US20080229725A1 (en) * 2007-03-20 2008-09-25 Mtd Products Inc Foot actuated height adjustment mechanism for a lawnmower cutting deck
US20080302076A1 (en) * 2007-06-07 2008-12-11 Michael David Unitary rear frame for mounting engine, hydrostatic transmission, and other components to mower
EP2000017A1 (en) * 2007-06-07 2008-12-10 Deere & Company Unitary rear frame
US7717219B2 (en) 2007-06-07 2010-05-18 Deere & Company Unitary rear frame for mounting engine, hydrostatic transmission, and other components to mower
EP2380425A1 (en) * 2010-04-21 2011-10-26 AL-KO Kober AG Lawn tractor with fan belt drive
WO2013041135A1 (en) * 2011-09-21 2013-03-28 Husqvarna Ab Lawn care vehicle with cutting deck lifting pedal
US20140250851A1 (en) * 2011-09-21 2014-09-11 Husqvarna Ab Lawn care vehicle with cutting deck lifting pedal
US9357700B2 (en) * 2011-09-21 2016-06-07 Husqvarna Ab Lawn care vehicle with cutting deck lifting pedal
US20150121832A1 (en) * 2013-11-01 2015-05-07 Amerequip Corporation Adjustment mechanism for lawn mower deck attached to a tractor
US11006574B1 (en) 2017-02-14 2021-05-18 Alamo Group Inc. Mower with rotary cut height adjustment
US20210076566A1 (en) * 2019-09-17 2021-03-18 Globe (Jiangsu) Co., Ltd Cutting deck lifting device and mower having cutting deck lifting device
US11856886B2 (en) * 2019-09-17 2024-01-02 Globe (Jiangsu) Co., Ltd Cutting deck lifting device and mower having cutting deck lifting device

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