Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 279
1080. VARIABLE CRANK MOTION.—An eccentric slot in a stationary face plate guides aslide block and wrist pin in a slotted crank. Con-necting rod drives the cutter bar of a shaping-machine. … 1081. SPIRAL-GROOVED FACE PLATE, for feed motion. Obsolete ; but useful for irregu-lar motion, in which the spiral grooves may bewavy or zigzag. 1082. LEVER, guided by a volute face plate.
Mechanical movements
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