Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 92
284. PARALLEL MOTION for a ver-tical engine. A, A, radius bars pivoted toengine frame opposite to the middle ofstroke. 285. PARALLEL MOTION for an engine.The radius bars are of equal lengths from thecentre line of the engine and sliding pivot of thelong bar. Both fixed and sliding pivots at… … 286. PARALLEL MOTION of a pistonrod by direct connection with a spur gear ro-tating upon the wrist pin of the crank. Thecrank-pin gear meshes in a fixed internaltoothed gear of double its diameter. One ofthe curiosities of old-time engineering.
Mechanical movements
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