Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 212
Fig. 330. Cope and Drag Machines with Pattern in Position for Molding to the underside of the stripping plate B, The heads of the setscrews which are illustrated on the draw plate A press against the PATTERN MAKING 193 patterns at E, raising the patterns to the desired height. Uponlowering the draw… … JSffction ;5-5 Bottom Dratvn Fig. 331. Sections Showing Mechanism of Machine with Pattern in Place for Molding and-with Pattern Drawn or Rolled Back interposed between the pattern members and the stripping plate toforce the pattern out of the mold with an oblique or roll-back motion. Cope Pattern.…
Patternmaking
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