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Interlocking frame system for lithium-polymer battery construction

  • US 5,487,958 A
  • Filed: 12/06/1993
  • Issued: 01/30/1996
  • Est. Priority Date: 12/06/1993
  • Status: Expired due to Fees
First Claim
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1. A battery comprising:

  • a stack of planar battery cells; and

    a plurality of interlocking frames, said plurality of interlocking frames adapted to restrict the planar battery cells from slipping with respect to each other;

    the interlocking frames including a first frame with a ledge in a first plane, the first frame including an upwards projection and a downwards projection out of the ledge;

    the interlocking frames including a second frame with a ledge in a second plane, said second plane being parallel to the first plane, said second frame including an upwards projection and a downwards projection out of the ledge, wherein some of the cells in said stack of cells are located between the ledges of the first and second frames and wherein one of the projections from the first frame is located behind one of the projections of the second frame such that the movement of the first and second frames within the planes of the ledges is restricted, and wherein the thickness of said some of the cells between the ledges is such that the one of the projections from the first frame does not contact the ledge of the second frame and the one of the projections of the second frame does not contact the ledge of the first frame.

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