Shaft coupling for barrier movement operators

Details Shaft coupling for barrier movement operators Shaft coupling for barrier movement operators

E - Fixed Constructions

05

F

E05F 15/16 (2006.01) E05D 15/24 (2006.01)

Patent

CA 2544088

A barrier movement or garage door operator has a jack shaft connected to an output shaft delivering power to move a barrier or garage door between open and closed positions, the jack shaft and output shaft being connected by a coupling. The coupling, jack shaft, and output shaft are fixed relative to each other. The coupling connects the jack shaft and output shaft for rotation around a common axis. The coupling receives a portion of the jack shaft and output shaft for securing the shafts within the coupling by compressing against an outer surface of each shaft. The shafts may be cylindrical, and the compressive force may be distributed around the cylindrical outer surface of the shafts. The coupling may have a portion sized to correspond to respective predetermined diameters or sizes of the shafts.

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