Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 247
630A. VARIABLE SPEEDGEAR. The method illustratedpermits of securing variable speedsbetween two shafts which divergefrom a common center in a simpleway. A group of three level gears 242 GEARING AND GEAR MOTION, ETC. are mounted on one shaft, a slidable spur pinion is mounted on theother shaft that… … and efficient medium for joining two shafts. The sprockets are verysimilar to spur gears and the chain links have projections whichengage in the tooth spaces.
Mechanical movements
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