The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 147
atchet bosses. 1141. Silent pawl; the pawl is lifted out of gear while reversing by the motion of the toggle joint and lever. 1142. Crown ratchet and pawl. 1143. Application of No. 1136 as a silent feed motion. 1144. Click and detent continuous feed motion. 1145. Hares foot ratchet motion with…
Mechanical movements
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