US20150137464A1 - Suspension lift kit for quad cycle - Google Patents

Suspension lift kit for quad cycle Download PDF

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Publication number
US20150137464A1
US20150137464A1 US14/081,618 US201314081618A US2015137464A1 US 20150137464 A1 US20150137464 A1 US 20150137464A1 US 201314081618 A US201314081618 A US 201314081618A US 2015137464 A1 US2015137464 A1 US 2015137464A1
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United States
Prior art keywords
collar
nut
exterior surface
sleeve
upstanding portion
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Granted
Application number
US14/081,618
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US9027938B1 (en
Inventor
David Kasian
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Individual
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Individual
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Priority to US14/081,618 priority Critical patent/US9027938B1/en
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Publication of US9027938B1 publication Critical patent/US9027938B1/en
Publication of US20150137464A1 publication Critical patent/US20150137464A1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • B60G15/063—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper characterised by the mounting of the spring on the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/124—Mounting of coil springs
    • B60G2204/1242—Mounting of coil springs on a damper, e.g. MacPerson strut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/61—Adjustable during maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/90—Maintenance
    • B60G2206/91—Assembly procedures
    • B60G2206/911—Assembly procedures using a modification kit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/07—Off-road vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/12—Cycles; Motorcycles
    • B60G2300/124—Quads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance

Definitions

  • This invention relates to a lift kit for attachment to the suspension system of a quad ATV cycle and particularly of a Polaris ATV.
  • a lift kit apparatus for a suspension strut of a Quad ATV cycle where the suspension comprises:
  • a suspension strut including an upstanding sleeve having an exterior cylindrical surface and an interior cylindrical surface;
  • the sleeve having an upper edge with a collar of reduced exterior diameter on the exterior surface at the upper edge and defining an upwardly facing annular shoulder at a bottom of the collar;
  • shock absorber having a cylindrical body inserted in the sleeve as a sliding fit within the cylindrical interior surface and standing upwardly from the upper edge;
  • lift kit comprises:
  • a sleeve member having an interior surface, an exterior surface, a top edge and a bottom edge;
  • the sleeve member having a bottom collar and an upstanding portion therefrom;
  • bottom collar has an exterior surface with a diameter greater than that of the upstanding portion
  • the interior surface of the upstanding portion being of a diameter substantially equal to that of the cylindrical interior surface of the suspension strut to receive the shock absorber therein;
  • the interior surface of the bottom collar being of increased diameter relative to the interior surface of the upstanding portion so as to engage over the collar portion of the suspension strut and so as to sit on the washer;
  • the upstanding portion having a male screw thread on the exterior surface thereof;
  • a nut having a female screw thread for engaging onto the male screw thread and being movable to different set portions of a top surface of the nut along the male screw thread;
  • the nut having an upper face arranged for engaging and supporting a bottom of the spring so that the bottom turn of the spring can be lifted from the washer onto the top surface of the nut so as to lift the spring to provide a lift of the suspension.
  • an exterior surface of the nut and the bottom collar is substantially equal.
  • an exterior surface of the nut and the bottom collar each include notches for engaging a wrench for rotation of the nut relative to the bottom collar.
  • FIG. 1 is an exploded view of the lower suspension components of a suspension of a Polaris Quad ATV cycle for supporting the frame from the wheel with the lift of the present invention omitted.
  • FIG. 2 is a cross-sectional view of the lift apparatus of the present invention in place on the suspension of FIG. 1 .
  • FIG. 3 is a side elevational view of the sleeve member of the lift apparatus of the present invention.
  • FIG. 4 is a top plan view of the sleeve member of the lift apparatus of the present invention.
  • FIG. 5 is a side elevational view of the nut of the lift apparatus of the present invention.
  • FIG. 6 is a top plan view of the nut of the lift apparatus of the present invention.
  • a suspension of a Quad ATV cycle is shown in FIG. 1 in exploded form and comprises a suspension strut 10 including an upstanding sleeve 11 .
  • the strut 10 is connected to the wheel (not shown) at a mounting 12 shown schematically in FIG. 2 and the suspension is connected at the upper end 20 the frame again shown schematically in FIG. 2 at 13 .
  • the sleeve 11 has an exterior cylindrical surface 14 and an interior cylindrical surface 15 with an upper edge 16 having a collar 17 of reduced exterior diameter on the exterior surface at the upper edge and defining an upwardly facing annular shoulder 18 at a bottom of the collar 17 .
  • a shock absorber 19 having a cylindrical body 20 is inserted in the sleeve as a sliding fit within the cylindrical interior surface 15 and standing upwardly from the upper edge 16 to provide a piston 21 engageable with the frame in a shock absorbing action.
  • a washer 22 sits on the annular shoulder and a coil spring 23 has a bottom turn 24 for sifting, in the conventional arrangement of FIG. 1 , on the washer 22 and has an interior dimension of the spring arranged to surround the collar 17 and the shock absorber cylindrical body 20 .
  • the lift kit 30 comprises a sleeve member 31 and a nut 40 .
  • the sleeve member has an interior surface 32 , an exterior surface 38 , a top edge 33 and a bottom edge 36 .
  • the sleeve member has a bottom collar 35 and an upstanding portion 39 extending from the top of the collar 35 .
  • the bottom collar 35 has an exterior surface 40 with a diameter greater than that of the upstanding portion 39 .
  • the interior surface 32 of the upstanding portion 39 is of a diameter substantially equal to that of the cylindrical interior surface 15 of the suspension strut sleeve 14 to receive the shock absorber therein.
  • the interior surface 41 of the bottom collar 35 is of increased diameter relative to the interior surface 32 of the upstanding portion 39 so as to engage over the collar portion 17 of the suspension strut and so as to sit on the washer 22 .
  • the upstanding portion 39 has a male screw thread 37 on the exterior surface 39 thereof and the exterior surface of the upstanding portion 39 has a diameter arranged to receive the spring 23 thereon.
  • the nut 40 has a female screw thread 41 for engaging onto the male screw thread 37 and is movable to different set portions of a top surface 42 of the nut along the male screw thread;
  • the nut having the top face 42 arranged for engaging and supporting a bottom turn 24 of the spring 23 so that the bottom turn of the spring can be lifted from the washer 22 onto the top surface 42 of the nut so as to lift the spring to provide a lift of the suspension.
  • the diameter of the exterior surface of the nut and of the bottom collar is substantially equal and each includes notches 43 , 44 for engaging a wrench for rotation of the nut relative to the bottom collar to adjust the height of the lift.
  • the use of the machined lift apparatus allows it to fit effectively in place o the collar 17 and to hold the lift at a required lift level for the intended suspension lift.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A lift kit for the suspension strut of a Quad ATV cycle including an upstanding sleeve with an upper edge with a collar of reduced diameter defining an upwardly facing annular shoulder at a bottom of the collar, a shock absorber inserted in the sleeve, a washer sitting on the annular shoulder and a coil spring sitting on the washer where the lift kit includes a sleeve member having a bottom collar and an upstanding portion therefrom where the bottom collar has an exterior surface with a diameter greater than that of the upstanding portion and a nut engaged onto the male screw thread on the and being movable to different set portions of a top surface of the nut along the male screw thread on the upstanding portion, the nut having an upper face supporting a bottom of the spring.

Description

  • This invention relates to a lift kit for attachment to the suspension system of a quad ATV cycle and particularly of a Polaris ATV.
    • SUMMARY OF THE INVENTION
  • It is an object of the present invention to provide a lift kit for attachment to the suspension system of a quad ATV cycle and particularly of a Polaris ATV
  • According to the invention there is provided a lift kit apparatus for a suspension strut of a Quad ATV cycle where the suspension comprises:
  • a suspension strut including an upstanding sleeve having an exterior cylindrical surface and an interior cylindrical surface;
  • the sleeve having an upper edge with a collar of reduced exterior diameter on the exterior surface at the upper edge and defining an upwardly facing annular shoulder at a bottom of the collar;
  • a shock absorber having a cylindrical body inserted in the sleeve as a sliding fit within the cylindrical interior surface and standing upwardly from the upper edge;
  • a washer for sitting on the annular shoulder;
  • and a coil spring having a bottom turn for sitting on the washer and having an interior dimension arranged to surround the collar and the shock absorber;
  • wherein the lift kit comprises:
  • a sleeve member having an interior surface, an exterior surface, a top edge and a bottom edge;
  • the sleeve member having a bottom collar and an upstanding portion therefrom;
  • wherein the bottom collar has an exterior surface with a diameter greater than that of the upstanding portion;
  • the interior surface of the upstanding portion being of a diameter substantially equal to that of the cylindrical interior surface of the suspension strut to receive the shock absorber therein;
  • the interior surface of the bottom collar being of increased diameter relative to the interior surface of the upstanding portion so as to engage over the collar portion of the suspension strut and so as to sit on the washer;
  • the upstanding portion having a male screw thread on the exterior surface thereof;
  • the exterior surface of the upstanding portion having a diameter arranged to receive the spring thereon;
  • a nut having a female screw thread for engaging onto the male screw thread and being movable to different set portions of a top surface of the nut along the male screw thread;
  • the nut having an upper face arranged for engaging and supporting a bottom of the spring so that the bottom turn of the spring can be lifted from the washer onto the top surface of the nut so as to lift the spring to provide a lift of the suspension.
  • Preferably an exterior surface of the nut and the bottom collar is substantially equal.
  • Preferably an exterior surface of the nut and the bottom collar each include notches for engaging a wrench for rotation of the nut relative to the bottom collar.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • One embodiment of the invention will now be described in conjunction with the accompanying drawings in which:
  • FIG. 1 is an exploded view of the lower suspension components of a suspension of a Polaris Quad ATV cycle for supporting the frame from the wheel with the lift of the present invention omitted.
  • FIG. 2 is a cross-sectional view of the lift apparatus of the present invention in place on the suspension of FIG. 1.
  • FIG. 3 is a side elevational view of the sleeve member of the lift apparatus of the present invention.
  • FIG. 4 is a top plan view of the sleeve member of the lift apparatus of the present invention.
  • FIG. 5 is a side elevational view of the nut of the lift apparatus of the present invention.
  • FIG. 6 is a top plan view of the nut of the lift apparatus of the present invention.
    •
  • In the drawings like characters of reference indicate corresponding parts in the different figures.
    • DETAILED DESCRIPTION
  • A suspension of a Quad ATV cycle is shown in FIG. 1 in exploded form and comprises a suspension strut 10 including an upstanding sleeve 11. The strut 10 is connected to the wheel (not shown) at a mounting 12 shown schematically in FIG. 2 and the suspension is connected at the upper end 20 the frame again shown schematically in FIG. 2 at 13.
  • The sleeve 11 has an exterior cylindrical surface 14 and an interior cylindrical surface 15 with an upper edge 16 having a collar 17 of reduced exterior diameter on the exterior surface at the upper edge and defining an upwardly facing annular shoulder 18 at a bottom of the collar 17.
  • A shock absorber 19 having a cylindrical body 20 is inserted in the sleeve as a sliding fit within the cylindrical interior surface 15 and standing upwardly from the upper edge 16 to provide a piston 21 engageable with the frame in a shock absorbing action.
  • A washer 22 sits on the annular shoulder and a coil spring 23 has a bottom turn 24 for sifting, in the conventional arrangement of FIG. 1, on the washer 22 and has an interior dimension of the spring arranged to surround the collar 17 and the shock absorber cylindrical body 20.
  • The lift kit 30 comprises a sleeve member 31 and a nut 40. The sleeve member has an interior surface 32, an exterior surface 38, a top edge 33 and a bottom edge 36. The sleeve member has a bottom collar 35 and an upstanding portion 39 extending from the top of the collar 35. The bottom collar 35 has an exterior surface 40 with a diameter greater than that of the upstanding portion 39. The interior surface 32 of the upstanding portion 39 is of a diameter substantially equal to that of the cylindrical interior surface 15 of the suspension strut sleeve 14 to receive the shock absorber therein.
  • The interior surface 41 of the bottom collar 35 is of increased diameter relative to the interior surface 32 of the upstanding portion 39 so as to engage over the collar portion 17 of the suspension strut and so as to sit on the washer 22.
  • The upstanding portion 39 has a male screw thread 37 on the exterior surface 39 thereof and the exterior surface of the upstanding portion 39 has a diameter arranged to receive the spring 23 thereon.
  • The nut 40 has a female screw thread 41 for engaging onto the male screw thread 37 and is movable to different set portions of a top surface 42 of the nut along the male screw thread;
  • The nut having the top face 42 arranged for engaging and supporting a bottom turn 24 of the spring 23 so that the bottom turn of the spring can be lifted from the washer 22 onto the top surface 42 of the nut so as to lift the spring to provide a lift of the suspension.
  • The diameter of the exterior surface of the nut and of the bottom collar is substantially equal and each includes notches 43, 44 for engaging a wrench for rotation of the nut relative to the bottom collar to adjust the height of the lift.
  • The use of the machined lift apparatus allows it to fit effectively in place o the collar 17 and to hold the lift at a required lift level for the intended suspension lift.
  • Since various modifications can be made in my invention as herein above described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without department from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense.

Claims (3)

1. A lift kit apparatus for a suspension strut of a Quad ATV cycle where the suspension strut comprises:
an upstanding sleeve having an exterior cylindrical surface and an interior cylindrical surface;
the sleeve having an upper edge with a collar portion of reduced exterior diameter on the exterior surface at the upper edge and defining an upwardly facing annular shoulder at a bottom of the collar portion;
a shock absorber having a cylindrical body inserted in the sleeve as a sliding fit within the interior cylindrical surface and standing upwardly from the upper edge;
a washer for sitting on the annular shoulder;
and a coil spring having a bottom turn for sitting on the washer and having an interior dimension arranged to surround the collar portion and the shock absorber;
wherein the lift kit apparatus comprises:
a sleeve member having an interior surface, an exterior surface, a top edge and a bottom edge;
the sleeve member having a bottom collar and an upstanding portion therefrom;
wherein the bottom collar has an exterior surface with a diameter greater than that of the upstanding portion;
the interior surface of the sleeve member at the upstanding portion being of a diameter substantially equal to that of the interior cylindrical surface of the suspension strut to receive the shock absorber therein;
the interior surface of the sleeve member at the bottom collar being of increased diameter relative to the interior surface of the sleeve member at the upstanding portion so as to engage over the collar portion of the suspension strut and so as to sit on the washer;
the upstanding portion having a male screw thread on an exterior surface thereof;
the exterior surface of the upstanding portion having a diameter arranged to receive the spring thereon;
a nut having a female screw thread for engaging onto the male screw thread and being movable to different set portions of a top surface of the nut along the male screw thread;
the nut having an upper face arranged for engaging and supporting a bottom of the spring so that the bottom turn of the spring can be lifted from the washer onto the top surface of the nut so as to lift the spring to provide a lift of the suspension.
2. The apparatus according to claim 1 an exterior surface of the nut is substantially equal to the exterior surface of the bottom collar.
3. The apparatus according to claim 1 an exterior surface of the nut and said exterior surface of the bottom collar each include notches for engaging a wrench for rotation of the nut relative to the bottom collar.
US14/081,618 2013-11-15 2013-11-15 Suspension lift kit for quad cycle Expired - Fee Related US9027938B1 (en)

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US20150137464A1 true US20150137464A1 (en) 2015-05-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11135889B2 (en) * 2018-05-22 2021-10-05 Beijingwest Industries Co., Ltd. Latch assembly for raising and lowering the height of a vehicle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2506944B (en) * 2012-10-15 2017-02-22 Niftylift Ltd Base unit for a vehicle
DE102015214161B4 (en) * 2015-07-27 2019-04-18 Schaeffler Technologies AG & Co. KG Device for level adjustment for a motor vehicle
US20210300139A1 (en) * 2020-03-27 2021-09-30 Fox Factory, Inc. Wear sleeve for a shock body
USD1000322S1 (en) * 2021-03-02 2023-10-03 Zoox, Inc. Vehicle suspension assembly

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044614A (en) * 1990-02-22 1991-09-03 Rau John A Shock absorber spring adjuster
US5477948A (en) * 1995-03-06 1995-12-26 Stevens; Anthony Shock absorber adapter and method
US5553836A (en) * 1995-05-11 1996-09-10 Patentials Incorporated Adjustable suspension system
US5711514A (en) * 1995-12-05 1998-01-27 Kai Fa Industry Co., Ltd. Shock absorber for a bicycle
US5803443A (en) * 1997-09-24 1998-09-08 Chang; Wu-Sung Shock absorber for motor vehicles
US5961106A (en) * 1998-06-08 1999-10-05 Shaffer; Theodore E. Vehicle shock absorber assembly having height adjustment
US20020038929A1 (en) * 2000-06-23 2002-04-04 Now Leo Martin Shock absorber
US20020171223A1 (en) * 2002-07-12 2002-11-21 Vis Racing Sports, Inc. Automotive suspension performance spring and system
US6691991B1 (en) * 2003-03-18 2004-02-17 Tan-Cheng Huang Shock absorber
US6902045B2 (en) * 2003-04-03 2005-06-07 Delphi Technologies, Inc. Apparatus, system and method for a vehicle suspension system
US20060213733A1 (en) * 2005-03-23 2006-09-28 Sadao Masaki Vehicle support system and method of supporting a vehicle body
US7631882B2 (en) * 2004-04-28 2009-12-15 Isuzu Motors Limited Vehicle height adjustment device and vehicle height adjustment method
US20100252972A1 (en) * 2009-03-19 2010-10-07 Christopher Paul Cox Methods and apparatus for selective spring pre-load adjustment

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044614A (en) * 1990-02-22 1991-09-03 Rau John A Shock absorber spring adjuster
US5477948A (en) * 1995-03-06 1995-12-26 Stevens; Anthony Shock absorber adapter and method
US5553836A (en) * 1995-05-11 1996-09-10 Patentials Incorporated Adjustable suspension system
US5711514A (en) * 1995-12-05 1998-01-27 Kai Fa Industry Co., Ltd. Shock absorber for a bicycle
US5803443A (en) * 1997-09-24 1998-09-08 Chang; Wu-Sung Shock absorber for motor vehicles
US5961106A (en) * 1998-06-08 1999-10-05 Shaffer; Theodore E. Vehicle shock absorber assembly having height adjustment
US20020038929A1 (en) * 2000-06-23 2002-04-04 Now Leo Martin Shock absorber
US20020171223A1 (en) * 2002-07-12 2002-11-21 Vis Racing Sports, Inc. Automotive suspension performance spring and system
US6691991B1 (en) * 2003-03-18 2004-02-17 Tan-Cheng Huang Shock absorber
US6902045B2 (en) * 2003-04-03 2005-06-07 Delphi Technologies, Inc. Apparatus, system and method for a vehicle suspension system
US7631882B2 (en) * 2004-04-28 2009-12-15 Isuzu Motors Limited Vehicle height adjustment device and vehicle height adjustment method
US20060213733A1 (en) * 2005-03-23 2006-09-28 Sadao Masaki Vehicle support system and method of supporting a vehicle body
US20100252972A1 (en) * 2009-03-19 2010-10-07 Christopher Paul Cox Methods and apparatus for selective spring pre-load adjustment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11135889B2 (en) * 2018-05-22 2021-10-05 Beijingwest Industries Co., Ltd. Latch assembly for raising and lowering the height of a vehicle

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