The present invention generally provides a wheel replacing traction assembly which uses, for propulsion, a longitudinally extending traction band disposed around and cooperating with a sprocket wheel, a supporting structure, and idler and/or road wheels. The supporting structure of the traction asse
The present invention generally provides a wheel replacing traction assembly which uses, for propulsion, a longitudinally extending traction band disposed around and cooperating with a sprocket wheel, a supporting structure, and idler and/or road wheels. The supporting structure of the traction assembly comprises an independent suspension generally replacing the suspension of the vehicle. In use, the suspension of the vehicle is replaced by a rigid member that can be adjustable in length in a further embodiment. The presence of a suspension in the supporting structure of the traction assembly decreases its unsprung mass.
대표청구항▼
1. A traction assembly for a vehicle, said traction assembly comprising: a) a sprocket wheel mountable to the vehicle;b) a frame,c) a guide rail pivotally supporting a plurality of wheels;d) a suspension assembly comprising a spring assembly and a dampener, said suspension assembly being pivotally c
1. A traction assembly for a vehicle, said traction assembly comprising: a) a sprocket wheel mountable to the vehicle;b) a frame,c) a guide rail pivotally supporting a plurality of wheels;d) a suspension assembly comprising a spring assembly and a dampener, said suspension assembly being pivotally connected to said frame and to said guide rail;e) a plurality of articulated linkages pivotally interconnecting said frame and said guide rail;f) a traction band disposed about said sprocket wheel and said plurality of wheels, said traction band having a predetermined perimeter; wherein said frame, guide rail, suspension assembly and plurality of linkages define a variable geometry, wherein said variable geometry changes according to the compression and extension of said suspension assembly while substantially maintaining said predetermined perimeter of said traction band during of the operation of the vehicle and wherein at least one of said plurality of linkages comprises are aperture and wherein said suspension assembly extends through said aperture. 2. The traction assembly of claim 1, wherein said frame is connected to an axle of a vehicle. 3. The traction assembly of claim 1, wherein at least one of said plurality of linkages partially overlay said suspension assembly. 4. The traction assembly of claim 1, wherein said vehicle comprises a suspension and wherein said vehicle suspension is replaced by a rigid bar. 5. The traction assembly of claim 4, wherein said rigid bar is adjustable in length. 6. The traction assembly of claim 1, wherein said plurality of linkages and said suspension assembly have a mass, wherein said sprocket wheel and said frame have a mass, wherein an important proportion of said mass of said plurality of linkages and of said suspension assembly is sprung mass and wherein said mass of said sprocket wheel and of said frame is sprung mass. 7. The traction assembly of claim 1, wherein the least one of the linkages comprising an aperture entirely overlapping the circumference of the suspension at a specific position along the suspension. 8. A traction assembly for use on a vehicle, said traction assembly comprising: a) a sprocket wheel;b) a frame;c) a guide rail pivotally supporting a plurality of wheels;d) a supporting structure interconnecting said frame and said guide rail, said supporting structure comprising articulated linkages;e) a suspension comprising a spring assembly and a dampener, said suspension being pivotally connected to said frame and to said guide rail;f) a traction band disposed about the sprocket wheel and the plurality of wheels; wherein an important proportion of the mass of said linkages and of said suspension is sprung mass, wherein amass of said sprocket wheel and of said frame is sprung mass and wherein at least one of the linkages comprises an aperture and wherein said suspension extends through said aperture. 9. The traction assembly of claim 8, wherein at least one of the linkages partially overlay said suspension. 10. The traction assembly of claim 8, wherein the least one of the linkages comprising an aperture entirely overlapping the circumference of the suspension at a specific position along the suspension. 11. A traction assembly for a vehicle having a first ratio of sprung mass to unsprung mass, the traction assembly comprising: a) a sprocket wheel configured to be mounted to the vehicle;b) a supporting structure comprising a suspension assembly;c) idler wheels pivotally mounted to the supporting structure;d) road wheels pivotally mounted to the supporting structure;e) a traction band disposed about the sprocket wheel, the idler wheels and a road; wherein when the traction assembly mounted to the vehicle, the suspension assembly of the traction assembly causes the vehicle to have a second ratio of sprung mass to unsprung mass, the second ratio being different from the first ratio. 12. A traction assembly as claimed in claim 11, wherein the second ratio is greater than the first ratio.
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이 특허에 인용된 특허 (13)
Todd, André; Handfield, Robert; Bessette, Robert; Olson, Chad, Anti-torque system for a traction assembly.
Deli Jack M. (Winfield IL) Nagorzanski Al J. (Arlington Heights IL) Karpiel Harvey B. (Bloomingdale IL) Pisani Marino J. (North Riverside IL), Resilient mounting of crawler tractor frame.
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