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 297
1158. LANTERN-WHEEL ESCAPEMENT.—The pallet arm A is attached directly to the pen-dulum, swinging upon the axis A, and receives itsimpulse from the inclined faces of the pallets C, B.Used for large clocks. 1159. PIN-WHEEL ESCAPEMENT, with a dead-beat stop motion. For short-beat pendulumclocks. 286… … 1160-1161. HOOK-TOOTH ESCAPEMENT. —The teeth are arranged alternately on twoescapement wheels. The oscillation of the semi-circular pallet alternately releases and receives animpulse from the hook teeth of the escapementwheel. The curved outer face of the teeth actsupon the edge of the straight…
Mechanical movements
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