Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 54
astwo dead centers. isSh. GAMBREL JOINT LINK-AGE for transmission at right angles,in which the dead centers of the bellcrank linkage are avoided. The twistingmotion at the dead center will be takenby the center bearing yoke. 138/. TWO REVOLUTIONS FORONE STROKE.—The toggle links pass-ing their… … iSSk. SPEED CHANGING PUL-LEY.—The principle of action as shownin Fig. 115. The frame of the transferpulleys is fixed and the change of anglemade by the two sector gears and handleis shown in the second cut. All partsrun on ball bearings. 46 TRANSMISvSIOX OP POWER.
Mechanical movements
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