Vibratory cable plow assembly

Details Vibratory cable plow assembly Vibratory cable plow assembly

1978-02-27

1979-08-21

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

Vibrating tool

37DIG18, 405182, E02F 502, F16L 100

Patent

active

041649826

ABSTRACT:
The disclosed cable plow assembly is adapted to reduce the power requirements of cable and line laying plows. The plow blade is suspended on the rear of a resilient frame assembly having two pair of vertically spaced links. Each link is pivotally supported on forward and rear frame members by resilient torsional bushings. The links of each pair preferably converge toward the direction of movement of the plow or the supporting vehicle at an angle of about fifteen to twenty degrees or about three to four horizontal units to one vertical. This arrangement generates a unique forward elliptical cleaving action in the plow blade, reducing the force required to cut the earth and pull the blade through the ground. In the most preferred embodiment, the forward ends of the lower links of each pair are adjustable vertically to adjust the angle between the links and thereby adjust the elliptical motion of the plow blade to accommodate various soil conditions.

REFERENCES:
patent: 3618237 (1971-11-01), Davis
patent: 3757869 (1973-09-01), Gagne

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