Control for cable plows and the like

Details Control for cable plows and the like Control for cable plows and the like

1977-09-26

1978-10-10

Stein, Mervin

Earth working

With actuator adapted to lift tool for transport on wheeled...

With lateral adjustment

172699, 405181, 405182, E02F 502, F16L 102

Patent

active

041191579

ABSTRACT:
A control mechanism for adjusting the angle and lateral position of a plow blade, which is particularly useful for laying cable, pipe and the like underground. The disclosed control mechanism includes a fixed frame, which is supported on a suitable vehicle and a slide frame, which supports the plow blade. The slide frame is slideably supported on a horizontal rail of the fixed frame. A piston or other power means is connected to the fixed and slide frames to adjust the lateral position of the supported plow blade. The disclosed plow includes a support frame which is pivotally mounted on a vertical pivot on a slide frame and the control mechanism includes means to angularly adjust the blade on the pivot.

REFERENCES:
patent: 3140745 (1964-07-01), Hinkle et al.
patent: 3232358 (1966-02-01), Heiberg
patent: 3515222 (1970-06-01), Kant
patent: 3559415 (1971-02-01), Vaughan et al.
patent: 3571956 (1971-03-01), Heiberg
patent: 3670825 (1972-06-01), Asal et al.
patent: 3952532 (1976-04-01), Spearman

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