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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 260

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 260
wo hooked pawls on the ratchet bar A andlifts til e bar. The slot serves as guide. The othermember may be a suspension or standard attach-ment. Much used in ratchet jacks and stump-pullers. 995. RATCHET GOVERNOR, for water-wheels or other prime movers.The pin cam is in constant revolution.The… … 996. ROTARY MOTION, from reciprocatingmotion of two racks alternately meshing with agear wheel. !^acks are pinioned at «, a. Thecurved slots b, b guide the racks out and intogear. The bell-crank lever c and spring d serveto disengage the rack at the end of the up-stroke. 254 MOTION AND DEVICES…

Mechanical movements

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