Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 267
^ 1025. STOPS for a lantern wheel. One alatch stop, the other a roller stop. … 1026. SAFETY CENTRIFUGAL HOOKS.-—Hooks are retained by springs until the cen-trifugal force of excessive speed throws them outto catch the pins in the fixed plate. 1027. CRANK MOTION for quick return ofa lever. A, fulcrum of lever. MOTION AND DEVICES CONTROLLING MOTION, ■59
Mechanical movements
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