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 388
are iron rings placed on a hol-low iron cylinder which is heated bysteam through the trunnion. The woodis steamed and passes under the rollerwith great pressure. 1562. BELT-DRIVEN ELEVATOR.—Worm gear and friction stop. The belt is shiftedby a cam driven by the linkchain from the drum shaft.The end… … 378 MISCELLANEOUS DEVICES. 1563. SAFETY CATCH FOR ELEVATORS.—The eccentricsector levers are connected at their pivots to friction sUdes behind the guide rails by links. Thefront slides are ratchet bars onthe face of the guide rails.The balance weight intensifiesthe action of the grips whenthe rope…
Mechanical movements
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