Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 612
will be correspondingly affected, and will, by its motion, change the relation of the cutters fff, in re-spect of tlie axis of the chuck. For this purpose, three spiral recesses ffr/ff are formed on the interiorcircumference of the ring, into which the exterior ends of the cutters project and abut… … small arc from right to left, the cutters will be forced to approach the centre ; and conversely, if themotion be from left to right, the cutters will be allowed to expand and receive a larger diameter ofbolt. The cutters are accurately fitted into recesses prepared for their reception in the ring…
Mechanical engineering · Mechanics · Engineering
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