Tensioning device for a driving spring of an energy store...

Details Tensioning device for a driving spring of an energy store... Tensioning device for a driving spring of an energy store...

H - Electricity

01

H

306/359

H01H 3/30 (2006.01)

Patent

CA 1305508

23930-290 ABSTRACT OF THE DISCLOSURE Tensioning device for a driving spring of an energy store for an electrical switch, the device including: a drive shaft carrying a crank articulated to the driving spring; a rota- table tensioning shaft; means connected for rotating the tension- ing shaft; at least one overrunning clutch coupled to the drive shaft; and a transmission mechanism connected between the tension- ing shaft and the drive shaft for imparting at least one unidi- rectional stepwise rotational advance to the drive shaft with each revolution of the tensioning shaft, wherein the tensioning shaft and the transmission shaft have respective axes of rotation which are nonparallel to one another. : ::

541651

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