Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 52
125. SPLIT SPUR GEAR, showing methodof bolting on to the shaft of a trolley car. 126. STAR WHEEL GEAR, for wringingmachines, mangles, etc. Allows a variable mesh icthe teeth. … 127. ELASTIC SPUR GEAR, to prevenjback lash. The gear runs loose on the shaftthe ratchet-wheel is fast on the shaft. Com-pression springs are inserted between theshoulders of the gear and cam ratchet wheel. 42 TRANSMISSION OF POWER.
Mechanical movements
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