Motor vehicles – Special driving device – Portable track
Patent
1995-07-10
1996-05-14
Hill, Mitchell J.
Motor vehicles
Special driving device
Portable track
180 95, 305 21, B62D 55084
Patent
active
055159354
ABSTRACT:
A track tensioning system for maintaining a substantially uniform tension on the endless track of a track-propelled vehicle is disclosed herein. The track tensioning system comprises first and second walking beam pivotally mounted on respective lateral sides of a vehicle frame. The first walking beam includes two wheel support members and the second walking beam comprises one wheel support member. The two walking beams are linked through a pivot positioned above a hypothetical line passing through the center of the wheel support assemblies, resulting in an increase or decrease of the effective length of the second walking beam to maintain the tension on the endless track substantially uniform. The effective length of the second walking beam is increased when the vehicle passes over a concave surface and the effective length of the second walking beam is decreased when the vehicle passes over a convex surface.
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Hill Mitchell J.
Vehicules TS Bellechasse LTEE
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