An apparatus includes a drum to draw in or let out a line, and a motor and transmission coupled to the drum to apply a torque thereto. In certain embodiments, the motor and transmission are substantially entirely contained within the drum. In the same or other embodiments, a bearing may provide support for both the transmission and the drum.
Compact Motorized Lifting Device
2015-10-08
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |