[특허]Parallelogram lift axle suspension system with a control for axle caster adjustment

Parallelogram lift axle suspension system with a control for axle caster adjustment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60G-011/26
출원번호	US-0162939 (1993-12-08)
발명자 / 주소	Gottschalk Michael J. (New Philadelpha OH) Keeler Michael J. (Canton OH)
출원인 / 주소	The Boler Company (Itasca IL 02)
인용정보	피인용 횟수 : 102 인용 특허 : 0

초록 ▼

A twin beam parallelogram-type lift axle suspension system includes a bi-directional airlift spring having opposite end plates at either end thereof located between two parallel control arms wherein expansion of the air spring pivots the upper and lower control arms with respect to a frame bracket thereby lifting an axle and wheels attached thereto from engagement with the road surface. The end plates of the bi-directional air spring move about equally in opposite directions and remain substantially parallel to one another throughout expansion and contraction of the air spring so as to about equally distribute forces of expansion of the air spring between the upper and lower control arms. The system of the instant invention also includes a shock absorber having one end attached to the upper control arm and another end attached to the lower control arm so as to locate the shock absorber forward of the axle thereby minimizing shock travel and maximizing shock life. The upper control arm is pivotally connected to an axle seat by a bolt including an eccentric cam mechanism which allows one to adjust the caster angle of the axle when the need arises.

대표청구항 ▼

In a wheel bearing, lift axle suspension system for a wheeled vehicle which includes at least two non-liftable wheel bearing suspensions providing the primary means of support for road engagement of said vehicle, the lift axle suspension system comprising a frame bracket, upper and lower control arms having first ends pivotally attached to said frame bracket at pivot points and second ends attached to an axle connection means, and means for raising and lowering said wheels of said lift axle suspension into and out of engagement with the road surface, the improvement comprises: said means for raising said wheels out of engagement with the road surface including bi-directional expansion and contraction means having first and second ends defined by a plate means at each said end, said plate means being attached to said control arms in such a manner and being so located such that when said bi-directional means are expanded and contracted, said plate means remain substantially parallel, one with respect to the other, when said wheels of said lift axle suspension are lowered into and lifted out of engagement with the road surface.

이 특허를 인용한 특허 (102)

Chalin, Thomas N.; Dodd, Cully B.; Hudson, Herbert D., Adjustable run height lift axle suspension system.
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Gregory A. Richardson, Auxiliary lift axle suspension.
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Chalin Thomas N., Axle alignment system.
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Karel, Jonathon; Hicks, William; Greer, P .Eng., Gary, Axle lift assembly.
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Vander Kooi,David S.; Jungjohan,Craig A., Axle suspension system.
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Gottschalk, Michael J., Lift axle suspension systems incorporating compression coil springs.
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Barton, Bruce; Koontz, Matthew, Lift suspension system with offset control arms.
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Christopher J. Peterson, Lightweight wheelchair frame.
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Griffiths, Paul J., Method of retaining an air suspension.
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Gottschalk,Michael J., Multi-piece axle and suspension.
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Goertzen, Gerold; Null, Jr., William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Chan, David J.; Peaker, Martin L., One-piece trailing arm section.
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Koenigstein, Klaus; Laurent, Muller; Fuhrmeister, Christian, Passively steerable module axle.
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Koenigstein, Klaus; Laurent, Muller; Fuhrmeister, Christian, Passively steerable module axle.
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Mater, Jr., Robert F.; Jones, Gomer B., Pin box assembly for trailer.
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Mater, Jr., Robert F.; Jones, Gomer B., Pin box assembly for trailer.
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Mater, Jr., Robert F; Jones, Gomer B., Pin box assembly for trailer.
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Gottschalk, Michael J.; Dankow, Mark W.; Massa, Scott A.; Johnson, Harold D., Resilient tie rods and axle assemblies employing same.
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Fortier Paul Henri,CAXITX H2J 1K4, Retrofittable suspension system for the rear axle of a vehicle.
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Chalin Thomas N., Reversible caster steerable suspension system.
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Gottschalk,Michael J., Self-steering axle suspension system having a rotary stabilizer.
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Gottschalk Michael J. ; Keeler Michael J., Self-steering, caster adjustable suspension system.
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Gottschalk Michael J. ; Jablonski Kevin M., Self-steering, caster-adjustable suspension system.
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Piehl, Daniel J.; Erdmann, Kevin J., Side-beam lift assembly for heavy-duty vehicles.
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Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald, Stability control system.
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Chalin, Thomas N.; Dodd, Cully B.; Hudson, Herbert D., Steerable and liftable independent suspension system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Parallelogram lift axle suspension system with a control for axle caster adjustment 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (102)

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연합인증

Parallelogram lift axle suspension system with a control for axle caster adjustment 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (102)

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