An apparatus includes a motor and a drum rotated by the motor to draw in or let out a line from the drum. The drum includes a groove formed in an outer surface thereof to accommodate the line. In certain embodiments, a depth of the groove is equal to or greater than a radius of the line. In the same or other embodiments, a passive guide that physically engages and tracks the groove may be used to guide the line into the groove.
Grooved Drum and Associated Passive Guide for Motorized Lifting Device
2015-10-08
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |
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