Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 378
throughby the driver, let the suc-cessive positions of thecentre of the roller bedenoted by the points0 1, 2, 3, . . . , the points lying on the arc of a circle having centrePa and radius equal to the length of the oscillating arm. Imaginethe cam fixed and the line of centres PiPg to rotate about… … Fig. 408. 368 MECHANISM. point 1 to intersect a ci/cle having centre a and radius equal tothe length of the oscillating arm in A; then A is a secondpoint on the pitch line of the cam, since the triangles PiAa, P1IP2are equal in all respects, and therefore—the line of centres beingsupposed fixed—as…
Machinery, Kinematics of
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