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 825
tely acceleratedand retarded. It is rotated by means of a driver attached to a short shaft, the axis of whichis eccentric to that of the main lower shaft, and which in consequence of the eccentricityreceives a variable motion from the motive lower shaft by a link connection, as shown in 794 SEWING… … Fig. li. Bobbin case. Fig. 13.—Two-needle machine. driver and the loop-taker aie alternately formed at either end of the driver. liy this arrange-ment the loop of ui)per thread is carried around the bobbin of lower thread without meetingwith any resistance. Fig. 11shows the largo bobbin ofthis…
Mechanical engineering
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