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Sawing machines

  • US 4,334,450 A
  • Filed: 06/09/1980
  • Issued: 06/15/1982
  • Est. Priority Date: 06/20/1979
  • Status: Expired due to Term
First Claim
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1. Sawing apparatus of the type comprising a horizontal workpiece support table having a longitudinal slot defining a cutting line, and a circular saw mounted on a carriage reciprocably movable along a path parallel to and beneath said cutting line, said carriage having a supporting frame (1) movable along horizontal guides (3), wherein(a) said circular saw and means for rotatably driving said saw are mounted on a structure which is vertically movable on said supporting frame means being provided for effecting up-and-down movement of said structure;

  • (b) said structure comprising at least a pair of vertical parallel rods (15) slidable within vertical tubular guides (13) secured to said supporting frame;

    (c) said vertical rods (15) having conically shaped upper ends, and said vertical tubular guides (13) having, at their upper ends, downwardly facing hollow conical seats;

    (d) whereby, at the end of the upward stroke of said structure with respect to said supporting frame, said conical ends of said vertical rods snugly fit into said conical seats of said tubular guides.

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