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LOCK NUT ASSEMBLY AND BOLT AND WRENCH FOR USE THEREWITH

  • US 3,581,609 A
  • Filed: 12/12/1968
  • Issued: 06/01/1971
  • Est. Priority Date: 12/12/1968
  • Status: Expired due to Term
First Claim
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1. An assembly, comprising:

  • a lock nut having a threaded hole therein adapted for use with a bolt having at least one groove running at least part of the length of the thread thereon, said lock nut comprising;

    a recess aligned with the centerline of said nut and extending along a portion of the length of said nut, said recess including a plurality of inwardly extending serrations along a portion of the depth of said recess; and

    an annulus having a plurality of serrations extending outwardly from the outer surface thereof, said annulus adapted to fit over said bolt and into said recess in said nut, the serrations on said annulus mating with the serrations on said nut, said annulus further having at least one inwardly extending tongue adapted to extend into said groove in said bolt whereby said annulus is axially moveable but not rotatable relative to said bolt, said nut being locked in place when the serrations thereon are in contact with the serrations on said annulus.

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