Mechanical structure and guide block

  • US 5,429,438 A
  • Filed: 07/12/1993
  • Issued: 07/04/1995
  • Est. Priority Date: 07/12/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A mechanical structure comprising:

  • at least one extrusion having a plurality of sides and a longitudinal slot generally centrally positioned in each side;

    a guide block having a plurality of guide surfaces disposed adjacent respective ones of said plurality of sides of the extrusion;

    a plurality of wear pads disposed between respective surfaces of the extrusion and guide surfaces of the guide block to reduce friction between the same, each wear pad having an alignment key positioned to be received within one of the slots of the extrusion, and a plurality of wear surfaces in load bearing contact with the adjacent surfaces of the extrusion.

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