Silk screen printing machine

Claim 1

A screen printing machine, comprising: a machine frame; screen carrier support means having at least one horizontally extending support member, and a pair of end rods disposed in spaced parallel relation in a vertical plane supported on said frame and supporting said support member for up and down movement; a screen carrier laterally movably mounted to said screen carrier support means for vertical movement therewith; first pneumatic drive means directly engaging both said end rods for causing said up and down movement of said screen carrier support means on command; a squeegee carrier; a squeegee carrier support means supported by said screen carrier support means for vertical movement therewith and for laterally movement thereon and connected thereto with a parallelogram linkage means for causing relative movement between said squeegee carrier and said screen carrier upon vertical movement of said screen carrier support means; second pneumatic drive means comprising a double acting pneumatic cylinder means disposed parallel to said at least one horizontally extending support member and extending the length of maximum reciprocal movement of said squeegee carrier support means and said screen carrier; a first yoke member secured to a central portion of said squeegee carrier support means; a second yoke member secured to a central portion of said screen carrier; and, a connector arm pivotally mounted to a bracket driven by a piston portion of said pneumatic cylinder means for reciprocal movement therewith and selectively engagable with said first or second yoke member for causing lateral reciprocal movement of either.