Crumber mechanism for a trencher machine

Details Crumber mechanism for a trencher machine Crumber mechanism for a trencher machine

1992-07-24

1993-03-02

Reese, Randolph A.

Excavating

Peat excavators

37 83, E02F 506

Patent

active

051898179

ABSTRACT:
A crumber mechanism including a crumber shoe mounted on a support boom for powered movement between operative and non-operative positions. A fluid powered motor coacts with a linkage mechanism to move the shoe between positions in response to operation of the motor. An automatic locking device releasably holds the crumber shoe in a working position. The automatic locking device includes a slidable lock which moves into locking coaction with a locking channel defined by the shoe in response to extension of the hydraulic motor.

REFERENCES:
patent: 3932951 (1976-01-01), Scott et al.
patent: 4043135 (1977-08-01), Hoes et al.
patent: 4827636 (1989-05-01), Emming

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