Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 252
945. SLOW FORWARD AND QUICK BACK circular motion from the continuous circular mo-tion of a pinion, driving an internal sector pin-ion and an external sector gear. GEARING. 241 … 946. GEARED GRIP TONGS.—The radial dis-tances of the sectors are in- proportion to the diametersof the two pinions, which gives the jaws an equal mo-tion, closing them with a strong grip by the action ofthe pinions. 947. VARIABLE CIRCULAR MOTIONby a pinion driving an eccentric crown wheel.
Mechanical movements
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