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Auxiliary shunt multiple contact breaking device

  • US 5,296,660 A
  • Filed: 01/25/1993
  • Issued: 03/22/1994
  • Est. Priority Date: 02/07/1992
  • Status: Expired due to Fees
First Claim
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1. An electrical breaking device, comprising:

  • a movable contact assembly comprising a support cage, a lower contact finger and an upper contact finger, said lower and upper contact fingers being pivotally connected to said support cage via respective lower and upper transverse spindles which extend along a transverse direction, said upper contact finger being superposed on said lower contact finger in a plane perpendicular to the transverse direction, said lower and upper contact fingers being parallel to each other and extending along a longitudinal direction, each of said lower and upper contact fingers having a first end defined by a head having a movable contact and a second end opposite said first end, the second end of each contact finger being connected to a stationary contact pad via a flexible conductor; and

    a stationary contact assembly comprising first and second contact parts for electrical connection with respective movable contacts of the lower and upper contact fingers,wherein said lower transverse spindle is positioned to be closer to said first end than to said second end of said lower contact finger, and said upper transverse spindle is positioned to be closer to the second end than the first end of the upper contact finger such that said lower and upper transverse spindles are spaced apart from each other a distance along said longitudinal direction.

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