Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 298
1172. ENDLESS CORD-WINDING DEVICEfor clocks. The cord runs over grooved pullies. Pis the driving wheel, and / the ratchet winding ar-bor, the turning of which by crank, key, or by pullingthe cord b raises the driving weight W, and lowersthe balance weight w. By this device the movementof the… … 1173. CLOCK TRAIN, showing the methodof sustaining the movement of the train dur-ing the time of winding. The bent springkeeps a tension on the large gear by the lock-ing of the large ratchet to which the bent springis attached, when the winding of the barrel can.be made without a back-set in the…
Mechanical movements
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