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 384
s are iron rings placed on a hoilow 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 shaftThe end… … 378 MISCELLANEOUS DEVICES. 1563. SAFETY CATCH FOR ELEVATORS.—The eccentricsector levers are connected at their pivots to friction slides 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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