Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1980-05-09
1982-09-14
Taylor, Billy S.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
114245, 114254, 114294, 254275, 254338, 254386, 254900, B66D 150
Patent
active
043491790
ABSTRACT:
A control system for stabilizing a body suspended by a flexible line from a structure such as a ship, which is subject to uncontrolled oscillating movements, such as may be caused by wave motion, incorporates a winch (3) to which the line is attached, a pulley (4) over which the line (2) passes and from which the body is suspended, and a loop in the line between the winch and pulley, an accelerometer (28) being located adjacent the pulley, and the length of the loop being altered in controlled response to a stabilizing signal formed by combining signals derived from the accelerometer, and from the measured amplitude of oscillations of the loop length, and modified by a compensating signal to compensate for the effect of friction in the system.
REFERENCES:
patent: 3259371 (1966-07-01), Goeffert
patent: 3309065 (1967-03-01), Prudhomme
patent: 3596070 (1971-07-01), McCool
GEC Mechanical Handling Limited
Taylor Billy S.
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