Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1975-07-18
1976-11-09
Shapiro, Jacob
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
24 6, 294 66R, F16L 100
Patent
active
039902552
ABSTRACT:
The securing of cable, and particularly the securing of laid light weight submarine telephone cable during repair operations, is difficult in that if the cable is merely gripped it tends to fillet and slip away. The invention seeks to overcome this problem by belaying a bight of the cable about an axis thus to secure the cable generally in the manner of a rope upon a windlass. Apparatus embodying the invention may be drawn over ground supporting the cable, in the manner of a trawl, with flukes ploughing the ground. When the apparatus crosses the path of the cable to be secured, the cable is ploughed up and guided into a lateral line, triggering an hydraulic circuit to cause an axially mounted spool to rotate and belay the bight of cable by wrapping the cable upon the spool. A second hydraulic circuit is then activated to cause the cable to be severed on one side of the spool axis and clamped on the other side, whereupon the secured section of cable can be raised for repair. Various states of the apparatus can be signalled to a towing vessel by sonar, and the apparatus is arranged to be usable in each of two relatively inverted positions.
REFERENCES:
patent: 3129030 (1964-04-01), Brockbank et al.
patent: 3319426 (1967-05-01), Slonczewski
Cosier James Edwin Henry
Jenkins Peter David
Shapiro Jacob
The Post Office
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