Flyer bow having an airfoil shape in cross section

  • US 5,809,763 A
  • Filed: 10/16/1996
  • Issued: 09/22/1998
  • Est. Priority Date: 10/16/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A flyer bow for twisting wires, said flyer bow having:

  • an elongate arcuate body having an elongate center portion and first and second end portions at opposite ends of said center portion;

    said center portion having an inner surface and an outer surface, each of said inner and outer surfaces being exposed to the ambient air in which the flyer bow is to operate;

    at least one of said inner and outer surfaces having a curved shape forming an airfoil in cross section;

    a first wire receiving recess in said inner surface to receive therein wires to be twisted;

    a second recess in said inner surface, said second recess spanning and being shallower than said wire receiving recess; and

    a wear strip in said second recess and conforming to said wire receiving recess.

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