Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 283
iioi. GROOVED HEART CAM.—The lay-out of a grooved cam may be made on the sameprinciples as No. 1103, only that the centre of theroller or pin and the central line of groove arethe measurements for the amount of motion. … 1102. HEART-SHAPED GROOVE in a face plate, vibrating a lever, produces an irregular swing-ing motion of the lever. 1103. LAYING OUT A HEART CAM. —A circle is drawn on a radius equal to the required throw,plus the diameter of the roller. A series of con-centric circles and radii enables a measured…
Mechanical movements
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