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 85
270. «JOYS HYDRAULIC SHIFTINGECCENTRIC— The centre block is keyed tothe shaft; pistons on each side of the blockwork in cylinders in the eccentric. Oil is pump-ed to one or the other piston through holes inthe crank shaft and piston, for reversal of theengine. … 271. SHIFTING ECCENTRIC—The ec-centric is movable on worm gear and itssleeve, which is keyed to the shaft. The tan-gent worm is pivoted in lugs on the eccentric.
Mechanical movements
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