A steering assembly for a vehicle includes a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly. The steering assembly includes a gear having teeth and being pivotable about a pivot axis. The pivot axis is positioned
A steering assembly for a vehicle includes a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly. The steering assembly includes a gear having teeth and being pivotable about a pivot axis. The pivot axis is positioned between the teeth of the gear and the forward apparatus. A first front link is attached to the gear and to the first front wheel assembly to turn a first front wheel. A second front link is attached to the gear and to the second front wheel assembly to turn a second front wheel.
대표청구항▼
What is claimed is: 1. A steering assembly for a vehicle, comprising: a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly; a gear having teeth and being pivotable about a pivot axis, said pivot axis being positione
What is claimed is: 1. A steering assembly for a vehicle, comprising: a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly; a gear having teeth and being pivotable about a pivot axis, said pivot axis being positioned between said teeth of said gear and said forward apparatus; a first front link directly attached to said gear and connected to said first front wheel assembly to turn a first front wheel; and a second front link directly attached to said gear and connected to said second front wheel assembly to turn a second front wheel. 2. A steering assembly according to claim 1, further comprising: a rearward apparatus coupled to said gear and having a first rear wheel assembly and a second rear wheel assembly. 3. A steering assembly according to claim 1, wherein said gear is a sector gear having said teeth on one side of said gear and said pivot axis is located on another side of said gear that is opposite to said one side of said gear. 4. A steering assembly according to claim 3, further comprising: a cam slot bracket coupled to said gear. 5. A steering assembly according to claim 4, further comprising: a rear steering link coupled between said cam slot bracket and a rearward apparatus, and said rearward apparatus having a first rear wheel assembly and a second rear wheel assembly. 6. A steering assembly according to claim 5, wherein the vehicle has a frame, the steering assembly, further comprising: a rear transaxle; a bracket that is coupled to said frame and that is positioned between said rear transaxle and said gear; and a rear pivot lever mounted on said bracket and being coupled to said rear steering link and to said first and second rear wheel assemblies to turn a first rear wheel and a second rear wheel. 7. A steering assembly according to claim 1, wherein said first front link has a first end pivotally connected to said gear and a second end pivotally connected to said first front wheel assembly, and said second front link has a first end pivotally connected to said gear and a second end pivotally connected to said second front wheel assembly. 8. A four-wheel steering assembly for a vehicle, comprising: a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly; a rearward apparatus positioned toward the rear of the vehicle and having a first rear wheel assembly and a second rear wheel assembly; a sector gear positioned between said forward and rearward apparatus, said sector gear having teeth on one side of said gear and a pivot axis located on another side of said gear that is opposite to said one side of said gear, said sector gear being pivotable about said pivot axis, said pivot axis being positioned between said teeth of said sector gear and said forward apparatus; a first front link directly attached to said sector gear and connected to said first front wheel assembly to turn a first front wheel; a second front link directly attached to said sector gear and connected to said second front wheel assembly to turn a second front wheel; and a rear steering link coupled between said sector gear and said rearward apparatus to turn a first rear wheel and a second rear wheel. 9. A four-wheel steering assembly according to claim 8, further comprising: a cam slot bracket coupled to said sector gear. 10. A four-wheel steering assembly according to claim 9, wherein: said rear steering link is coupled between said cam slot bracket and said rearward apparatus. 11. A four-wheel steering assembly according to claim 9, wherein the cam slot bracket includes a non-linear cam slot adapted to turn the first rear wheel and the second rear wheel an amount that varies with respect to the amount of pivot of the sector gear. 12. A four-wheel steering assembly according to claim 8, further comprising: a rear transaxle; a bracket coupled to a frame of the vehicle and being positioned between said rear transaxle and said sector gear; and a rear pivot lever mounted on said bracket and being coupled to said rear steering link and to said first and second rear wheel assemblies to turn the first rear wheel and the second rear wheel. 13. A four-wheel steering assembly for a vehicle, comprising: a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly; a rearward apparatus positioned toward the rear of the vehicle and having a first rear wheel assembly and a second rear wheel assembly; a sector gear positioned between said forward and rearward apparatus, said sector gear having teeth on one side of said gear and a pivot axis located on another side of said gear that is opposite to said one side of said gear, said pivot axis being positioned between said teeth of said sector gear and said forward apparatus, said sector gear being pivotable about said pivot axis; a first front link directly attached to said sector gear and connected to said forward apparatus; a rear steering link coupled between said sector gear and said rearward apparatus to turn a first rear wheel and a second rear wheel; a bracket rigidly attached to a frame of the vehicle and being positioned between said rearward apparatus and said sector gear; and a rear pivot lever mounted on said bracket and being coupled to said rear steering link and to said first and second rear wheel assemblies to turn the first rear wheel and the second rear wheel. 14. A four-wheel steering assembly according to claim 13, further comprising: a rear transaxle, and said bracket is positioned between said rear transaxle and said sector gear and separate from said rear transaxle. 15. A four-wheel steering assembly according to claim 14, further comprising: a cam slot bracket coupled to said sector gear. 16. A four-wheel steering assembly according to claim 15, wherein said rear steering link is coupled between said cam slot bracket and said rear pivot lever. 17. A four-wheel steering assembly according to claim 13, wherein said pivot axis of said sector gear is positioned between said teeth of said sector gear and said rearward apparatus. 18. A four-wheel steering assembly according to claim 13, wherein said first front link is attached to said sector gear and to said first front wheel assembly to turn said first front wheel, and a second front link is attached to said sector gear and to said second front wheel assembly to turn said second front wheel. 19. A four-wheel steering assembly for a vehicle, comprising: a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly; a rearward apparatus positioned toward the rear of the vehicle and having a first rear wheel assembly and a second rear wheel assembly; a gear positioned between said forward and rearward apparatuses, said gear having teeth and being pivotable about a pivot axis, said teeth being positioned between said pivot axis of said gear and said rearward apparatus; a first front link directly attached to said gear and connected to said forward apparatus; and a rear steering link coupled between said gear and said rearward apparatus to turn a first rear wheel and a second rear wheel; steering arms associated with said rear steering link; a rear transaxle; a first rear pivot bracket rigidly attached to a frame of the vehicle and the rear transaxle; and a second rear pivot bracket rigidly attached to the frame of the vehicle and the rear transaxle; said first and second rear pivot brackets structured to pivotally support respective pivot assemblies associated with said first and second rear wheel assemblies. 20. A four-wheel steering assembly according to claim 19, wherein said first front link is attached to said gear and to said first front wheel assembly to turn a first front wheel, and a second front link is attached to said gear and to said second front wheel assembly to turn a second front wheel.
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이 특허에 인용된 특허 (7)
Nodorft Allen James ; Cinnamon James Jury, All-wheel-steer biasing mechanism.
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