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Thread guide ring for a needle bar

  • US 4,947,773 A
  • Filed: 07/20/1989
  • Issued: 08/14/1990
  • Est. Priority Date: 07/20/1989
  • Status: Expired due to Fees
First Claim
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1. For use in a sewing machine, a needle bar comprising:

  • an elongated body having a lower end portion including a lower end surface, a needle receiving socket penetrating said end surface and extending axially upwardly into said lower end portion, a laterally extending set screw opening in said lower portion, intersecting the needle receiving socket, and in which a set screw may be received for applying a clamping pressure on a needle positioned within the needle receiving socket, an inclined side surface intersecting the end surface and truncating the lower end portion of the needle bar, and a circumferential groove extending about the lower end portion of the needle bar in the region of the inclined side surface; and

    a split ring within said groove, said ring surrounding the lower end portion of the needle bar, with said inclined surface and a confronting solid portion of the ring spaced laterally outwardly from said inclined side surface forming a thread guiding eye.

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