Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 125
rovidedfor cases in which a machine is to be thrown in and out of servicewithout stopping the driving shaft. A common arrangement is shown in Fig. 96, where a pulleywith a straight face is located on the line shaft, and two pulleys withcrowned faces are on the countershaft. Pulley B is loose on… … Fig. 96. Diagram of Tight and Loose Pulley Drive The shifter F has two iron pegs, one on each side of the belt, andis operated by hand. The belt is readily guided by pressure onthe advancing side, for the motion of the receiving pulley aids themotion of the belt; but if pressure were applied to the…
Machinery
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