Track-tightening device for crawlers

Details Track-tightening device for crawlers Track-tightening device for crawlers

2003-07-16

2008-12-23

Bellinger, Jason R (Department: 3617)

Wheel substitutes for land vehicles

With means for tensioning track by moving at least one endwheel

Having hydraulic adjusting means

C305S125000

Reexamination Certificate

active

07467831

ABSTRACT:
Track-tightening device for crawlers wherein the bogie comprises a track-tightening structure to modify the wheel base of the front and back wheels of the bogie equipped with one or more movable supporting rollers capable of always remaining at the same distance from the idler wheel of the track-tightener under all operating conditions.

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patent: 4887872 (1989-12-01), Adams et al.
patent: 5005920 (1991-04-01), Kinsinger
patent: 5316381 (1994-05-01), Isaacson
patent: 0 800 983 (1997-10-01), None
patent: 1 199 247 (2004-04-01), None
EPO Search Report.

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