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Wire brake for robotic welding torch

  • US 5,399,837 A
  • Filed: 04/06/1994
  • Issued: 03/21/1995
  • Est. Priority Date: 04/06/1994
  • Status: Expired due to Term
First Claim
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1. A wire brake for use with a robotically controlled elongated torch, said torch having a longitudinal axis, an upper end, a lower end and a longitudinal bore extending from said upper end to said lower end, an electrode wire extending through said longitudinal bore and having an upper wire end protruding from said upper end of said torch and a lower wire end protruding from said lower end of said torch, said upper end of said torch having an outer boundary surrounding and spaced radially outwardly from said longitudinal axis;

  • first securing means mounted on said upper end of said torch, said wire brake comprising;

    an elongated adapter having a second securing means attachable to said first securing means on said upper end of said torch, said adapter having an adapter bore extending therethrough, said adapter bore being positioned to register with and form a continuation of said upper end of said longitudinal bore in said torch when said first and second securing means are attached to one another;

    said adapter having a brake bore providing communication from outside said adapter to said adapter bore;

    a cylinder body having a cylinder bore therein and having third securing means for securing said cylinder body to said adapter with said cylinder bore in communication with said adapter bore;

    a piston mounted within said cylinder bore for reciprocating movement therein between a release position and a brake position;

    a brake member movable with said piston and protruding at least partially into said adapter bore when said piston is in said brake position.

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