Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 279
1076a. PAIR OF TOE LEVERS.— Bell-crank order. A and B, f ulcrums of thelevers ; E, handle ; C, curved toes. Thisprinciple is used as a valve gear. 1077. WIPER CAM for stamp mills. A, the wiper;D, flanged chock, allowing the hammer spindle to re-volve. Also in use on sewing-machines for throwing… … 1079. EQUALIZING LEVERS ORTOES, for variable rod movement. 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.
Mechanical movements
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