Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 268
1016. INTERMITTENT MOTION of a ratchetcrown wheel from the reciprocating motion of alever and pawl IJ17. INTERNAL MULTIPLE CAM for operat-ing several slides for internal grip, or for expandingthe cutters of a die s.ock. 1018. RATCHET HEAD with springpawls.
Mechanical movements
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