Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 277
1092. CAM-OPERATED SHEARS.-Many modifications of this device are in use. … •S^?? 310 1093. IRREGULAR CAM MOTION to valverods. An irregular cam, acting between frictionrollers in a yoke frame. Positive irregular rectili-near motion. An old steam-engine valve gear.
Mechanical movements
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