Circuit interrupter that produces snap-action connection and...

Details Circuit interrupter that produces snap-action connection and... Circuit interrupter that produces snap-action connection and...

2007-05-01

2007-05-01

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Snap

Double snap

C200S520000, C200S341000

Reexamination Certificate

active

11179930

ABSTRACT:
An apparatus and method to minimize teasing and contact welding at contact points includes a switch having a first contact movable toward a second contact from a switch-deactuated position to a switch-actuated position and movable away from the second contact from the switch-actuated position back to the switch-deactuated position. A transfer carriage is operatively engaged with the first contact and includes a flip-flop mechanism for bringing the first contact into contact with the second contact and releasing the first contact from the second contact. The flip-flop mechanism utilizes a transfer barrier to switch between the switch-actuated and switch-deactuated positions. An actuator imparts movement on the transfer carriage to overcome the transfer barrier when moving between the switch-deactuated and switch-actuated positions.

REFERENCES:
patent: 3632937 (1972-01-01), Nanninga
patent: 4154996 (1979-05-01), Arnold
patent: 4216358 (1980-08-01), Brozille
patent: 4230921 (1980-10-01), Wearing et al.
patent: 4233479 (1980-11-01), Karpe et al.
patent: 4282414 (1981-08-01), Johnston et al.
patent: 5047628 (1991-09-01), Schmidt et al.
patent: 6486428 (2002-11-01), Roux et al.
patent: 6657148 (2003-12-01), Thizon

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