Elementary projection drawing. Theory and practice. For preparatory and higher scientific schools, industrial and normal classes; and the self-instruction of teachers, inventors, draftsmen, and artisans. In six divisions .. (1880)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 202
s it is driven by the yoke. In thiscase the piston is exactly at the middlepoint of its stroke when the crank-pinis at either end of the diameter AB.This movement is often seen in steamfire-engines. 10. Eccentrics.—The distance, Fig. a,from the centre of the shaft S to thecentre of the crank-pin p,… … Fig. d. 122 SUPPORTERS AND CRANK MOTIONS. made large enough to embrace the shaft. In this case the crank-pin is called an eccentric. That the eccentric is simply a short crank in principle andaction, will be evident by substituting for the crank 0, Fig. a,a circular plate with centre p and radius…
Geometrical drawing · Mechanical drawing
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