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
08.10.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66D Haspeln , CAPSTANS |
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