Trencher crumber assembly

Details Trencher crumber assembly Trencher crumber assembly

1988-02-25

1989-05-09

Burr, Edgar S.

Excavating

Peat excavators

37191A, E02F 506

Patent

active

048276367

ABSTRACT:
A trenching machine including a digging boom rotatably attached to a tractor and a digging chain rotatably mounted on the digging boom wherein a crumber assembly is provided that is rotatable between work and transport positions. The crumber assembly includes a support boom attached to the digging boom, a crumber rotatably attached to the support boom, and an actuator for rotating the crumber. The crumber may be folded toward the support boom so that the digging chain of the trenching machine can be moved into close proximity with a vertical wall, such as a building foundation, thereby minimizing or eliminating the need for manual excavation adjacent to the wall.

REFERENCES:
patent: 2654966 (1953-10-01), Askue
patent: 2908091 (1959-10-01), Spring
patent: 3022584 (1962-02-01), Meyer et al.
patent: 3570152 (1971-03-01), Schuermann et al.
patent: 3932951 (1976-01-01), Scott et al.

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