Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 816
DetTcs coiu planter. but the rotary drop is found preferable. The check-rower mechanism operates as follows :Spurs or buttons on the wire engage a lever and carry its end to a point where the in-clination of the lever sheds the spur, which passes readily in and out of the check-rower ongrooved… … Fig. 6.—Deere corn planter. lever is attached to a connecting-rod by a swivel-nut, the position of which on the rod controlsthe amount of throw imparted to the crank. When the spur on the cable releases the lever, aspring returns the lever to the position of rest ready for the impulse of the next…
Mechanical engineering
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