Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 360
t^ (^ 1456. BALANCED RIVETINGMACHINE on a truck. For yardservice, and iron and steel structuralwork. … 1457. RELEASING GRIP of a pile-driving ma-chine. The bow ends of the grip are compressed whenthey reach the slot B in the frame and cast off the ramW. The springs between the bowed handles of thegrip close the jaws to pick up the ram. 352 CONSTRUCTION AND DEVICES. r~z- .v^^
Mechanical movements
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