Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent
1987-06-18
1989-01-24
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...
172719, 172753, 172772, 405174, A01B 364, A01B 2302, F16L 102
Patent
active
047998237
ABSTRACT:
A replaceable wear parts assembly for attachment to the plow shank of a cable laying machine is disclosed that is particularly effective in the environment of vibratory plowing action. The replaceable wear parts are preferably in the form of a shank guard and a plow point which are adapted for attachment either directly to a plow shank, or indirectly to a nose/shank weldment that is welded to the plow shank. The shank guard and plow point are compressively forced against the plow shank or the nose/shank weldment by studs that pass longitudinally through the nose/shank weldment or plow shank in a direction substantially parallel to the direction of the impact forces generated by the vibratory plowing action.
REFERENCES:
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patent: 2034461 (1936-03-01), Daughterty
patent: 2227670 (1941-01-01), Peterson
patent: 2312372 (1943-03-01), Strandlund
patent: 3348383 (1967-10-01), Kelley
patent: 3387668 (1968-06-01), Mathers
patent: 3536147 (1970-10-01), Norton
patent: 3575006 (1971-04-01), Rugroden
patent: 3961788 (1976-06-01), Helton et al.
patent: 4446927 (1984-05-01), Robertson
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