Tamper attachment for vibratory plow and method of laying line a

Details Tamper attachment for vibratory plow and method of laying line a Tamper attachment for vibratory plow and method of laying line a

1987-10-02

1988-12-13

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

By means advancing along terrain and guiding pipe or cable...

37193, 404133, 405174, E02F 500

Patent

active

047906871

ABSTRACT:
A tamper attachment for a vibrator plow vehicle of the type wherein a vibrator imparts vibrations to a plow which is used to plow a narrow, relatively shallow furrow to receive a line or cable. The tamper attachment comprises attachment means for attaching the tamper to the vibrating means of the plow and a housing fixedly secured to the attachment means. A tamper foot is positioned below the housing in ground contacting relation for rapidly impacting the ground in response to vibrations transmitted by the vibratory means for closing and tamping the furrow opened by the vibratory plow. A pair of spaced apart, spring loaded tamper foot guide arms are connected to the tamper foot and are slidably mounted in the housing for transmitting rapid up and down movement from the vibrating means through the housing to the tamper foot. A tamper adjustment arm is connected to the tamper foot and mounted in the housing for limiting reciprocatory movement of the tamper foot guide arms. A method of laying cable using the tamper is also disclosed.

REFERENCES:
patent: 3747357 (1973-07-01), Erickson et al.
patent: 3802791 (1974-04-01), Uebel et al.
patent: 3838933 (1974-10-01), Lehman et al.
patent: 3908292 (1975-09-01), Harris
patent: 4439057 (1984-03-01), Sprague

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