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Electrical circuit interruptors

  • US 4,321,436 A
  • Filed: 04/04/1980
  • Issued: 03/23/1982
  • Est. Priority Date: 04/04/1980
  • Status: Expired due to Term
First Claim
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1. An electrical circuit making and breaking device including stationary contact means, movable contact means including a main movable contact member, means for operating the movable contact means into and out of cooperation with the stationary contact means, said stationary contact means including a pair of main contact jaws having respective pivots bearing contact surfaces that are opposite each other but spaced apart, a toggle operable toward an erect condition as the movable contact member advances in the space between said contact surfaces for driving said contact jaws so that said contact surfaces grip and are slidably engaged by the main movable contact member, and means on said movable contact means for operating said toggle.

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