[특허]Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension

GKN Armstrong Wheels

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60G-011/23 B60G-011/00
미국특허분류(USC)	267/279; 267/285; 280/124.169
출원번호	US-0047331 (2005-01-27)
등록번호	US-7261287 (2007-08-28)
발명자 / 주소	Gehret,Greg
출원인 / 주소	GKN Armstrong Wheels
대리인 / 주소	McAndrews, Held & Malloy, Ltd.
인용정보	피인용 횟수 : 6 인용 특허 : 44

초록

A vehicle having a suspension assembly including a first torsion member connectable to a frame along a first axis and a second torsion member operatively coupled to the first torsion member along a second axis. A plurality of wheel arms are coupled to the second torsion member, which, in turn, are each coupled to a wheel shaft. This type of vehicle has enhanced suspension.

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The invention is claimed as follows: 1. A suspension assembly for a carriage having a frame, the suspension assembly comprising: a first torsion member connectable to the frame, the first torsion member positioned along a first axis, the first torsion member including an outer member which encases an inner member and a plurality of deformable members positioned between said outer member and said inner member; a second torsion member having a first end and a second end positioned along a second different axis, the second member including an outer member which encases an inner member and a plurality of deformable members positioned between said outer member and said inner member; a plurality of torsion member connectors which connect the inner member of the first torsion member to the inner member of the second torsion member; a first wheel arm operatively coupled to the first end of the second torsion member; and a second wheel arm operatively coupled to the second end of the second torsion member. 2. The suspension assembly of claim 1, wherein the inner member of the first torsion member has a variable position relative to the outer member of the first torsion member. 3. The suspension assembly of claim 2, wherein the inner member of the second torsion member has a variable position relative to the outer member of the second torsion member. 4. The suspension assembly of claim 1, wherein the first torsion member and the second torsion member each have a maximum deflection position. 5. The suspension assembly of claim 1, wherein each of the torsion member connectors defines an opening for receiving the inner member of the first torsion member and a different opening for receiving the inner member of the second torsion member. 6. The suspension assembly of claim 5, wherein said openings of one of the torsion member connectors have locations along said torsion member connector which are separated by a distance. 7. The suspension assembly of claim 6, wherein the torsion member connector defines a lever arm which receives force from one of the wheel arms. 8. The suspension assembly of claim 7, wherein said lever arm has a force distribution characteristic which disproportionately distributes said force to the first torsion member and the second torsion member. 9. A suspension assembly for a vehicle having a frame, the suspension assembly comprising: a first torsion shaft connectable to the frame of the vehicle; a second torsion shaft positioned substantially parallel to the first torsion shaft, the second torsion shaft having a plurality of ends, wherein each of the first and second torsion shafts includes an inner member and an outer member; at least one connector that connects the second torsion shaft to the first torsion shaft; and a plurality of wheel shafts, each of the wheel shafts connected to one of the ends of the second torsion shaft. 10. The suspension assembly of claim 9, wherein each outer member includes a substantially rigid tube, the substantially rigid tube having an inner surface defining a space. 11. The suspension assembly of claim 10, wherein each inner member includes a substantially rigid rod positioned within the space of the rigid tube. 12. The suspension assembly of claim 11, wherein each of the first and second torsion shafts includes at least one substantially flexible rod positioned adjacent to the substantially rigid rod within the space of the substantially rigid tube. 13. The suspension assembly of claim 11, wherein each of the first and second torsion shafts includes a plurality of substantially flexible rods positioned around a perimeter of the substantially rigid rod within the space of the substantially rigid tube. 14. The suspension assembly of claim 11, wherein the connector has a plurality of inner walls defining a plurality of spaced-apart openings, each of the inner walls engaged with the substantially rigid rod of one of the first and second torsion shafts. 15. A suspension assembly for a vehicle having a frame, the suspension assembly comprising: a first torsion shaft connectable to the frame of the vehicle; an axle having a second torsion shaft and a plurality of ends, wherein each of the first and second torsion shafts includes an inner member and an outer member, each outer member including a substantially rigid tube having an inner surface defining a space, each inner member including a substantially rigid rod positioned within the space of the substantially rigid tube, and each of the first and second torsion shafts including at least one substantially flexible rod positioned adjacent to the substantially rigid rod within the space of the substantially rigid tube; at least one connector that connects the second torsion shaft to the first torsion shaft; and a plurality of wheel shafts, each of the wheel shafts connected to one of the ends of the axle. 16. The suspension assembly of claim 15, wherein the connector has a plurality of inner walls defining a plurality of spaced-apart openings, each of the inner walls engaged with the substantially rigid rod of one of the first and second torsion shafts. 17. A vehicle comprising: a frame; a plurality of wheels rotatably coupled to the frame including a first wheel and a second wheel positioned along a common axis; a first wheel arm operatively coupled to the first wheel; a second wheel arm operatively coupled to the second wheel; a first torsion member connected to the frame, the first torsion member positioned along a first axis, wherein the first torsion shaft comprises a first inner member and a first outer member; a second torsion member having a first end and a second end positioned along a second different axis, the first end operatively coupled to the first wheel arm, and the second end operatively coupled to the second wheel arm, wherein the second torsion shaft includes a second inner member and a second outer member; and a plurality of torsion member connectors which operatively couple the first torsion member to the second torsion member. 18. The vehicle of claim 17, wherein the vehicle includes an apparatus selected from the group consisting of a trailer, a wagon, a truck, an automobile and a tractor. 19. The vehicle of claim 17, wherein the first outer member encases the first inner member and a plurality of first deformable members are positioned between said first outer member and said first inner member. 20. The vehicle of claim 19, wherein the second outer member encases the second inner member and a plurality of second deformable members are positioned between said second outer member and said second inner member. 21. The vehicle of claim 20, wherein the first inner member has a variable position relative to the first outer member. 22. The vehicle of claim 21, wherein the second inner member has a variable position relative to the second outer member. 23. A vehicle comprising: a frame; a first torsion shaft connectable to the frame, wherein the first torsion shaft comprises a first inner member and a first outer member; at least one axle having a second torsion shaft and a plurality of ends, wherein the second torsion shaft comprises a second inner member and a second outer member, each of the first and second outer members including a substantially rigid tube having an inner surface defining a space, each of the first and second inner members including a substantially rigid rod positioned within the space of the substantially rigid tube, and each of the first and second torsion shafts including one of the following: (i) at least one substantially flexible rod positioned adjacent to the substantially rigid rod within the space of the substantially rigid tube, or (ii) a plurality of substantially flexible rods positioned around a perimeter of the substantially rigid rod within the space of the substantially rigid tube; at least one connector that operatively couples the second torsion shaft to the first torsion shaft; at least one wheel connected to one of the ends of the axle; and at least one other wheel connected to the other end of the axle. 24. The vehicle of claim 23, wherein the vehicle includes an apparatus selected from the group consisting of a trailer, a wagon, a truck, an automobile and a tractor. 25. The vehicle of claim 23, wherein the connector has a plurality of inner walls defining a plurality of spaced-apart openings, each of the inner walls engaged with the substantially rigid rod of one of the first and second torsion shafts. 26. A suspension assembly for a vehicle having a frame, the suspension assembly comprising: a first torsion shaft connectable to the frame of the vehicle; an axle having a second torsion shaft and a plurality of ends, wherein each of the first and second torsion shafts includes an inner member and an outer member, each outer member including a substantially rigid tube having an inner surface defining a space, each inner member including a substantially rigid rod positioned within the space of the rigid tube, and each of the first and second torsion shafts including a plurality of substantially flexible rods positioned around a perimeter of the substantially rigid rod within the space of the substantially rigid tube; at least one connector that connects the second torsion shaft to the first torsion shaft; and a plurality of wheel shafts, each of the wheel shafts connected to one of the ends of the axle. 27. The suspension assembly of claim 26, wherein each outer member includes a substantially rigid tube, the substantially rigid tube having an inner surface defining a space. 28. The suspension assembly of claim 26, wherein the connector has a plurality of inner walls defining a plurality of spaced-apart openings, each of the inner walls engaged with the substantially rigid rod of one of the first and second torsion shafts.

이 특허에 인용된 특허 (44)

이 특허를 인용한 특허 피인용횟수: 6

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Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension

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Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension

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이 특허에 인용된 특허 (44)

이 특허를 인용한 특허 피인용횟수: 6

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