Fuse block with improved unidirectional operator

Details Fuse block with improved unidirectional operator Fuse block with improved unidirectional operator

2008-01-01

2008-01-01

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S050050, C074S527000, C074S575000

Reexamination Certificate

active

07315006

ABSTRACT:
A ball ratchet mechanism suitable for use with an electrical disconnect employs a track and drive surface that engage the ball so as to capture it without significant shear force being applied to ridges of the track. In this way, the shape of the track can be optimized for smooth ratcheting action without the risk of high torques shearing track ridges.

REFERENCES:
patent: 4146764 (1979-03-01), Wilson
patent: 4183260 (1980-01-01), Wagner et al.
patent: 4263486 (1981-04-01), Taylor
patent: 6578447 (2003-06-01), Fraser
patent: 6604440 (2003-08-01), Wessel et al.
patent: 6989499 (2006-01-01), Bortolloni et al.
patent: 7015403 (2006-03-01), Houck et al.
patent: 7071427 (2006-07-01), Houck et al.

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