Motor vehicles – Special driving device – Portable track
Patent
1974-11-04
1976-02-17
Goodman, Philip
Motor vehicles
Special driving device
Portable track
305 27, B62D 5512
Patent
active
039386066
ABSTRACT:
A combination track-idler and roller recoil suspension system is afforded through use of a crank member pivotally fixed to a track frame, and a link member pivotally fixed to an end of the crank member, and to which the idler is rotatably mounted. The other end of the crank member is associated with a resilient pad utilized as a mounting pad for a track roller, so that the resilient pad serves both as a suspension member for the roller, and as idler recoil means upon movement of the crank member. The link member accommodates generally vertical idler movement, through pivoting of the link member relative to the crank member.
REFERENCES:
patent: 2467947 (1949-04-01), Skelton
patent: 3774708 (1973-11-01), Purcell
patent: 3841424 (1974-10-01), Purcell
Caterpillar Tractor Co.
Goodman Philip
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