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 48
124. V-TOOTHED GEAR.—The teeth of whichare usually inclined from the centre lines of the faceequal to the amount of the pitch at the outer ends. … 125. SPLIT SPUR GEAR, showing methodof bolting on to the shaft of a trolley car. 126. STAR WHEEL GEAR, for wringing-machines, mangles, etc. Allows a variable mesh tcthe teeth. 127. ELASTIC SPUR GEAR, to preventback lash. The gear runs loose on the shaft;the ratchet-wheel is fast on the shaft.…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.