Track assembly for tracked vehicles

Details Track assembly for tracked vehicles Track assembly for tracked vehicles

1976-02-27

1977-11-22

Reeves, Robert B.

Wheel substitutes for land vehicles

With interposed friction drive belt

305 32, 305 56, B62D 5530

Patent

active

040593142

ABSTRACT:
A track assembly for crawler tractors and the like wherein an endless track of individual rigid pad segments connected together by chain-type links is trained about a pair of track sprockets and supports the vehicle through a plurality of frame-mounted track rollers engaging the upper surface of the lower run of the track at longitudinally spaced points between the sprockets. The front or idler sprocket is rotatably mounted in a journal box which is slidable on the vehicle frame in a direction longitudinal of the track. The journal box is biased to yieldably resist rearward sliding movement by means of a resilient elastomeric bushing adjustably coupled between the journal box and the frame such that rearward sliding of the journal box tends to compress the bushing. The plurality of frame-mounted track rollers engage the upper surface of the track's lower run by direct engagement with the rear sides of the individual rigid track pads on either side of the chain link connectors, rather than by conventional engagement with the chain links themselves, thereby minimizing any rocking or twisting of the rigid pads and increasing the stability thereof and the life of the chain link connectors.

REFERENCES:
patent: 986391 (1911-03-01), Holt
patent: 2917346 (1959-12-01), Christensen
patent: 3088782 (1963-05-01), Conlan
patent: 3613810 (1971-10-01), Hetteen et al.
patent: 3645586 (1972-02-01), Piepho
patent: 3790230 (1974-02-01), Jespersen

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