Bushing plate cutter

Details Bushing plate cutter Bushing plate cutter

1987-07-02

1988-10-04

Suchfield, George A.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Endless-chain type head

37 83, 37191A, 299 83, E02F 308, E02F 506

Patent

active

047751894

ABSTRACT:
A bushing plate cutter for excavating trenches in various surfaces such as asphalt, concrete, rocky, or icy ground has a plurality of abutting top plates with bushings welded to one end of the top plates and blocks having holes therein for carrying cutting bits welded to the other side of the top plates. Sets of side plates each contain two parallel side plates abutting and perpendicular to the top plates. The side plates are connected to each other by oppositely oriented bolts which pass through the bushings and the links of a chain element. The configuration is such that there is uniform distance between the cutting bits.

REFERENCES:
patent: 3913979 (1975-10-01), Strauss et al.
patent: 3954301 (1976-05-01), Stepp
patent: 4404761 (1983-09-01), Paulin et al.
patent: 4626032 (1986-12-01), Harris et al.

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