Segmented and cushioned idler for track-type vehicles

Details Segmented and cushioned idler for track-type vehicles Segmented and cushioned idler for track-type vehicles

1978-02-03

1979-06-26

Shannon, John P.

Wheel substitutes for land vehicles

Wheel on top of upper track run

742305, 74448, B62D 5514

Patent

active

RE0300390

ABSTRACT:
A track-type vehicle, such as a crawler tractor, comprises a pair of endless tracks mounted on either side thereof. Each of the tracks is entrained over a drive sprocket at its rearward end and over an idler at its forward end. The idler comprises a hub having a plurality of arcuate rim segments releasably attached on an annular flange thereof to define annular, track-engaging bearing surfaces. Each of the segments may be attached to the idler at a circumferentially disposed tongue and groove arrangement and an elastomeric cushioning and noise damping means may be disposed between each segment and the flange. One or more of the segments may be replaced in situ by merely moving the vehicle to expose the same.

REFERENCES:
patent: 425734 (1890-04-01), Birch
patent: 1206172 (1916-11-01), Thomas
patent: 2065866 (1936-12-01), Mijnssen
patent: 2707884 (1955-05-01), Boisvert
patent: 3504562 (1970-04-01), Hirych
patent: 3771843 (1973-11-01), Clasper et al.

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