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
1991-07-15
1992-06-09
Matecki, Katherine
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
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
Kabushiki Kaisha Toshiba
Matecki Katherine
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