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Drafting template

  • US 4,026,030 A
  • Filed: 12/29/1975
  • Issued: 05/31/1977
  • Est. Priority Date: 12/29/1975
  • Status: Expired due to Term
First Claim
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1. A drafting template, comprising:

  • (a) a flat relatively thin integral body of uniform thickness,(b) said body having a plurality of spaced stacked elongated cut-outs therethrough, forming openings with surrounding edges, providing guides for moving a pencil or the like in contact therewith, for forming a desired line on a drawing upon which a bottom face of the body is adapted to lie in contact therewith,(c) each opening including parallel edges of differing spacings therebetween,(d) a first straight edge joining the parallel edges of each opening at one end thereof and perpendicular thereto,(e) a second semi-circular edge joining the parallel edges of each opening at the other end thereof,(f) a slideable member moveable across the top face of the body in a direction parallel to said parallel edges and between ends of the openings,(g) said slideable member having a third straight edge at one side thereof crossing all of the openings perpendicular to their parallel edges,(h) said slideable member also having a plurality of cut-outs at an opposite side thereof forming fourth edges, each forming a symmetrical shape within a 180°

    arc, the ends of which arc join the parallel edges, forming ends of the opening with which each is associated.

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