Track support system for a crawler

Details Track support system for a crawler Track support system for a crawler

2006-06-27

2006-06-27

Winner, Tony (Department: 3611)

Motor vehicles

Special driving device

Portable track

C305S138000

Reexamination Certificate

active

07066289

ABSTRACT:
Mud and sand are prevented from entering between support-receiving members since both ends of the roller shaft are constructed so as to be held at both sides thereof when providing the upper roller on the travelling body frame secured in a civil engineering apparatus. The first and second support receiving members19, 20are constructed so that the members respectively support both end portions of the roller shaft17aof the upper roller17on the upper part of the track frame11and cross frame12on the travelling body frame10secured at the lower part of the civil engineering apparatus, wherein the roller supporting portions19a,20band a pair of coupling pieces19a,20afor coupling the roller supporting portions19b,20bto the travelling body frame10are formed to be substantially reverse U-shaped.

REFERENCES:
patent: 1394995 (1921-10-01), Holt
patent: 1720553 (1929-07-01), Jett
patent: 2926969 (1960-03-01), Ashley, Jr.
patent: 3843214 (1974-10-01), Piepho
patent: 4371362 (1983-02-01), Dorris
patent: 4501452 (1985-02-01), Huang
patent: 5104205 (1992-04-01), Motomura et al.
patent: 53-074832 (1978-03-01), None
patent: 59-160485 (1984-09-01), None

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