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CUTTING APPARATUS

  • US 3,680,609 A
  • Filed: 12/28/1970
  • Issued: 08/01/1972
  • Est. Priority Date: 12/28/1970
  • Status: Expired due to Term
First Claim
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1. An apparatus for cutting an elongated workpiece comprising:

  • a longitudinal support frame;

    a cutting station associated with said support frame;

    means to support and align said elongated workpiece on said support frame relative to said cutting station, said cutting station having a first support member mounted for rotational movement about a vertical axis;

    a second support member vertically displaced from said first support member;

    saw means carried by said second support member;

    a pair of parallel horizontally spaced rocker arms;

    means for connecting an upper portion of each of said rocker arms to said second support member for relative rotational movement about a pair of horizontal axes displaced by a predetermined amount;

    a pair of arm members;

    means for connecting one end of each arm member to said first support member for relative rotational movement about a second pair of horizontal axes displaced by said predetermined amount;

    means for respectively connecting the other ends of one of said arm members to a lower portion of one of said rocker arms for relative rotational movement, and for connecting the other end of the other of said arm members to a lower portion of the other of said rocker arms for relative rotational movement, said lower portions of said rocker arms being adapted to rotate back and forth along an arcuate path defined by the rotational movement of said arm members about said second pair of horizontal axes; and

    means for pivotally mounting an intermediate portion of each of said rocker arms to said first support member, whereby said second support member is adapted for stroking movement in a horizontal plane defined by said first mentioned horizontal axes.

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