Hoist winding system

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

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Details

187115, B66D 508, B66D 150

Patent

active

051200236

ABSTRACT:
A shaft winding or winch system for raising and lowering a load attached to one end of a rope. The system includes a brake unit for braking a drum, a detection unit for detecting the length of the rope, and a control unit for controlling the brake unit according to the detected extended length of the rope and the torque generated by the drive unit.

REFERENCES:
patent: Re10585 (1885-04-01), Wheeler
patent: 2074835 (1937-03-01), Fitz Gerald
patent: 3098992 (1963-07-01), Rath
patent: 3507360 (1970-04-01), Ostrander
patent: 4427095 (1984-01-01), Payne
patent: 4739969 (1988-04-01), Eckersley
patent: 4756188 (1988-07-01), Fennell

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