Chain for trencher apparatus

Details Chain for trencher apparatus Chain for trencher apparatus

1992-06-15

1993-09-28

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Endless-chain type head

37465, 200 91, E02F 308, E21C 2540

Patent

active

052481883

ABSTRACT:
Apparatus for forming a trench in the ground includes a frame having ground engaging wheels, a boom attached to and extending outwardly from the frame, a chain which extends around the periphery of the boom, a plurality of cutting teeth mounted on the chain, and a motor mounted in the frame for driving the chain around the boom. The cutting teeth are mounted on the chain in a canted orientation which extends the useful life of the teeth.

REFERENCES:
patent: 2780014 (1957-02-01), Arps
patent: 3913979 (1975-10-01), Strauss et al.
patent: 4626032 (1986-12-01), Harris et al.
patent: 4775189 (1988-10-01), Den Besten

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