Taggart, William Scott · London : George Routledge & Sons, Ltd. · leaf 58
ting-point. Whilst in some cases the pin C is kept in contact withthe surface of the cam by pressure or weight, which ensuresthe pin rising and falling, it is sometimes necessary to makethe cam in the form of a groove into which the pin has a TEXTILE MECHANICS 47 sliding fit. Fig. 58 illustrates a… … a portion of a wheel centred at B (termed a quadrant) whichgears into a small wheel P on the roller D. This wheel Dthus receives a forward motion, then a rest due to the circularportion of the cam, and then a reverse or backward motion. Another form of cam is shown in Fig. 59. It…
Textile machinery
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