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Slider needles for warp knitting machines

  • US 4,471,635 A
  • Filed: 09/29/1982
  • Issued: 09/18/1984
  • Est. Priority Date: 11/04/1981
  • Status: Expired due to Term
First Claim
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1. A slider needle for a warp knitting machine comprising:

  • a slider having an opposing pair of parallel, lateral surfaces; and

    a needle having a needle shaft, said shaft having a forward face and a slot formed in said forward face straddled by a pair of opposing walls of substantially equal thickness and having an interior bed at its deepest position, said slider being positioned in said slot, said slot being sized to allow longitudinal reciprocation therein by said slider, said slot having an inner portion proximate to said interior bed having a uniform width; and

    an outer portion proximate to said forward face, contiguous to said inner portion and wider than said inner portion to provide walls of predetermined thickness, the differences in width between said inner portion and said outer portion being at least equivalent to the thickness of one of said walls at its thickest point.

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