Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 267
loii. INTERMITTENT MOTION of a ratchetby the oscillation of a knuckled joint tappet arm.The spring keeps the tappet extended on the for-ward stroke, and allows it to run over the tooth ofthe ratchet on its return. … 1012. INTERMITTENT CIRCULAR MO- O A 7 TION of a ratchet wheel with a check pawl by/ the continuous circular motion of a pawl wheel. proportions.
Mechanical movements
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