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 (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 129
n Fig. 99the lower shaft turns in the same direction as in Fig. 98, but theupper shaft turns in the opposite direction. In Fig. 100 the uppershaft turns in the same direction as in Fig. 98, and the lower shaftturns in the opposite direction. Reversible Quarter=Twist. Two Guide-Pulleys. In order… … Fig. 99. First Variation from Fig. 93 for Quarter-Twist Belt MACHINE DRAWING 117 arrangement where two guide-pulleys are used. Let the drivingpulley R and the driven pulley P be located as in the case of thequarter-twist belt of Fig. 99. Suppose that the direction of rotationis but seldom reversed,…
Machinery
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