Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 240
,^,;,,,;^,,,^-i i5«2. DOUBLING THE LENGTH OF ACRANK STROKE by a fixed and a movable 1 •)—\] rack. The crank rod connects with a pinion, which rolls on a fixed rack, carrying a recipro-cating rack to double the distance of the crank throw. … S8^. SAWMILL FEED.—By the revolu-tion or rocking of the crank i?, the adjustablebell-crank lever a is vibrated, which gives thehook pawl ^ the desired motion to turn theratchet wheel and pinion which, meshing inthe log bed-rack, feeds the log to the saw. Therate of feed is adjusted by the screw…
Mechanical movements
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