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CHANGEABLE TIP TWEEZERS AND THE LIKE

  • US 3,818,784 A
  • Filed: 01/03/1973
  • Issued: 06/25/1974
  • Est. Priority Date: 01/03/1973
  • Status: Expired due to Term
First Claim
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1. Changeable tip tweezers comprising a handle Portion including a pair of elongated resilient arms having corresponding rearward ends joined together forming a heel end, the arms normally extending in forwardly diverging relation and having front ends normally disposed in laterally spaced apart relation, the front end portions of each arm having a channel recess opening through the end surfaces and outer surfaces thereof, the channel recesses having flat base surfaces disposed in selected forwardly convergent planes when the arms occupy their normal forwardly diverging positions and a pair of shoulder surfaces flanking each base surface, a pair of elongated, forwardly converging removable tip members extending from said front end portions and terminating in forward working ends, said tip members having integral mounting formations at their rearward ends to be respectively nested in said channel recesses, the mounting formations having three precision shaped surfaces including an inner face and a pair of opposing shoulders adjoining the face to be abutted and precisely positioned by said base and shoulder surfaces of the channel recess for locating the two tip members in accurate preselected relative alinement, and threaded fasteners carried by said arms and extending through said mounting formations having manually rotatable head members lying outwardly of the arms to be manipulated for mounting and demounting of the tips on said arms, said head members having portions projecting beyond the lower edges of the arms adjacent their front ends to define a pair of transversely spaced rest surfaces coactive with the heel end portion to provide threepoint support of the tweezers on a horizontal surface.

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