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
1994-05-02
1996-01-09
Stodola, Daniel P.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
B66D 514
Patent
active
054822556
ABSTRACT:
A winch wherein braking is achieved by cam actuation, the cam actuation, in a static condition, frictionally interlocking the drive shaft to the cable drum. A gear reduction mechanism is provided between the shaft and drum and is prevented by such interlocking from producing differential rotation of the drum and thus affects lockup or braking of the drum. The locking mechanism is optimally provided by a stator that is fixed to the drum, the stator providing brake surfaces for the drum having disc brake-like braking action. The stator conducts heat from the end surface thereof to the drum and thus to the atmosphere.
REFERENCES:
patent: 2827136 (1958-03-01), Sorchy
patent: 2834443 (1958-05-01), Olchawa
patent: 3536169 (1970-10-01), Arnold
patent: 4461460 (1984-07-01), Telford
patent: 4545567 (1985-10-01), Telford et al.
patent: 4565352 (1986-01-01), Hasselman et al.
patent: 4601370 (1986-07-01), Papadopoulos
patent: 5261646 (1993-11-01), Telford
Daschel Matthew D.
Telford Thomas M.
Marcelo Emmanuel M.
Stodola Daniel P.
Warn Industries, Inc.
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