An apparatus includes a drum to draw in or let out a line and a motor coupled to the drum to apply a torque thereto. The drum includes a groove formed in an outer surface thereof to accommodate the line. A roller is provided that tracks the groove and extends into the groove. The roller pushes the line into the groove. In certain embodiments, the roller pushes the line to a bottom of the groove to ensure that the line is properly seated therein.
Grooved drum and associated roller for motorized lifting device
26.07.2016
Patent
Elektronische Ressource
Englisch
IPC: | B66D Haspeln , CAPSTANS |
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