Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 271
1044. VARIABLE ADJUSTMENT for thetension of a spring on the motion of a connectingrod, by varving the radii of a rocking lever. … 1045. FOUR-BOLT CAM PLATE, usedfor throwing safe bolts and for expanding dies. 1046. EQUALIZING TENSION SPRING ANDLEVER.—The bell-crank lever equalizes the tension ofthe spring by its varying position. Its long arm is on afixed pivot.
Mechanical movements
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