Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible...
Patent
1973-11-30
1976-06-29
Spar, Robert J.
Implements or apparatus for applying pushing or pulling force
Portable implements or apparatus for tensioning flexible...
254184, 114235B, 2421571, B66D 136
Patent
active
039661717
ABSTRACT:
Apparatus for launching, towing and recovering a submersible and towable body from a vessel includes a saddle, a winch and cable spooling and tension apparatus. The saddle includes a roller box which is rotatable about the axis of the tow sheave to maintain constant pressure against the cable during towing. A skewable A-frame for lowering the saddle near the water surface includes a transom arm which is pivotally mounted to the transom and to the tow sheave. The winch may be a multi-drum assembly, where the drums are co-axially mounted; and the drums are rotatably mounted in peripheral bearings at each end, which are mounted in the ends of the winch enclosure. The winch enclosure has a cover plate with a transverse slot to permit reeling and unreeling of cable from a drum. A latch mechanism provides for positive locking of a drum for rotation or non-rotation, depending on whether it or another drum is the one on which cable is being reeled or unreeled. The drums of a multi-drum assembly also have a transverse slot formed in them; and the lips of each slot are profiled to turn inwardly with a smaller apparent radius of curvature than the nominal radius of the drum.
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Fathom Oceanology Limited
Noland Kenneth
Spar Robert J.
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