Crawler traction device

Details Crawler traction device Crawler traction device

2011-08-16

2011-08-16

Bellinger, Jason R (Department: 3617)

Wheel substitutes for land vehicles

With means for tensioning track by moving at least one endwheel

Vertically movable endwheel

C305S139000, C305S141000

Reexamination Certificate

active

07997666

ABSTRACT:
A crawler traction device for a crawler vehicle, in particular a tractor, the device having a carriage, a drive sprocket rotating about a first axis, an idler wheel rotating about a second axis parallel to the first axis. The track is looped about the drive sprocket and the idler wheel and meshes with the drive sprocket along a meshing arc. The traction device has a noise and vibration damping device having an auxiliary roller which rotates about a third axis parallel to the first axis and is eccentric with respect to the drive sprocket as well as smaller in diameter than the drive sprocket. The noise and vibration damping device only cooperates with the track along a portion of the track located, in use, immediately upstream from the meshing arc and interposed between the auxiliary roller and the terrain.

REFERENCES:
patent: 2049858 (1936-08-01), Norelius et al.
patent: 4506934 (1985-03-01), Hammond
patent: 2003/0189377 (2003-10-01), Wright et al.
patent: 0810149 (1997-12-01), None
patent: 1666345 (2006-06-01), None

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