Method for rotating a track chain bushing

Details Method for rotating a track chain bushing Method for rotating a track chain bushing

1979-09-17

1981-07-14

Godici, Nicholas P.

Metal working

Method of mechanical manufacture

Repairing

291495R, 291495C, 308237A, B23P 700, B21D 5310

Patent

active

042778760

ABSTRACT:
It is recommended practice to turn each bushing in a track chain of a track-type vehicle which is composed of interconnected bushings and links after a measured amount of wear has occurred to expose different wear surfaces and extend the useful life of the track chain. Heretofore, such turning of the bushing required time consuming disassembly and reassembly of the track chain or the use of inefficient tools. A method and apparatus are provided for rotating the bushing and exposing a new wear surface. The method includes torquing the bushing (14) and impacting the link (12) to turn the bushing (14). The apparatus includes a clamp (24) which engages and torques the bushing (14) and an impactor (36, 38) for impacting the link (12) until the bushing (14) rotates relative to the link (12).

REFERENCES:
patent: 3915036 (1975-10-01), Vanlandingham et al.
patent: 4002090 (1977-01-01), Vanlandingham et al.
patent: 4050141 (1977-09-01), Vanlandingham et al.
patent: 4129045 (1978-12-01), Kishitani

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