Electric hoist with wedging grooved pulley for free- end...

Details Electric hoist with wedging grooved pulley for free- end... Electric hoist with wedging grooved pulley for free- end...

B - Operations, Transporting

66

D

254/87

B66D 3/22 (2006.01) B66D 1/74 (2006.01)

Patent

CA 1163623

ABSTRACT OF THE DISCLOSURE This electric hoist incorporates a wedging-groove pulley controlling a free-end wire-rope and comprises an spicyclic reducing gear surrounding the motor output shaft and providing a high reduction ratio with a minimum axial length ; the gear comprises a sun wheel rigid with the motor shaft, planets meshing with this wheel and also with two internally toothed annuli having different tooth numbers, namely a fixed annulus and a driven annulus rigid with the wedging pulley coaxial with the motor shaft.

387547

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