Trench-digging machine

Details Trench-digging machine Trench-digging machine

1986-11-03

1988-06-14

Burr, Edgar S.

Excavating

Peat excavators

E02F 506

Patent

active

047502800

ABSTRACT:
The trencher comprises a vehicle having secured to its rear a boom around which a digging chain runs. The boom is slidingly disposed in a sleeve-like frame pivoted to the rear of the vehicle and movable between a lowered operative position and a raised transport position.

REFERENCES:
patent: 1108268 (1914-08-01), Stahl
patent: 2526176 (1950-10-01), VanEyck
patent: 2648145 (1953-08-01), Askue
patent: 2667709 (1954-02-01), Askue
patent: 2692446 (1954-10-01), Smith
patent: 2981012 (1961-04-01), Meyer
patent: 3307276 (1967-03-01), Russell
patent: 3577664 (1971-05-01), Sing et al.
patent: 3659364 (1972-05-01), Wilson
patent: 4164082 (1979-08-01), Watson

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