Trench cutter

Details Trench cutter Trench cutter

1988-05-13

1989-05-30

Massie, IV, Jerome W.

Boring or penetrating the earth

Boring means including a continuously rotating bit...

299 85, 37 80A, E02F 508

Patent

active

048341975

ABSTRACT:
A trench cutter has cutting wheels with radially projecting cutting teeth and is arranged on a bearing bracket. Along the bearing bracket, hinged teeth are arranged on one edge of the cutting wheel hub. The hinged teeth have two arms, one arm serving as a control arm, which engages with a control ledge arranged on the bearing bracket, and the other arm serving as cutting tooth. The control ledge and the control arm form a wedge gear which forces the hinged teeth into a swing-out position in front of the free end of the bearing bracket.

REFERENCES:
patent: 3279856 (1966-10-01), Silks
patent: 3439758 (1969-04-01), Petersen
patent: 3857610 (1974-12-01), Snyder
patent: 4172616 (1979-10-01), Delli-Gotti
patent: 4718731 (1988-01-01), Bauer et al.
Bored Pile Foundations, A Brochure Produced by Bauer Spezialtiefbau GmbH, Schrobenhausen, West Germany, n.d., 10/1987.

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