Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 512
loose almost as fast as it could be tightened because itlacked the element of elasticity, and device after device failed for thesame reason. One such failure is shown in Fig. 25. The successful chuck—now in universal use—is shown in Fig. 26and, while a simple thing, it is based on sound philosophy.… … Fig. 26.—Successful elastic construction. Another illustration is the standard, d, Fig. 24, one of whichplaced on each side of the frame, the two being connected at theirupper ends by a cross-piece carrying the upper end of the feed screw.Formerly the standards were bolted to the frame by a nut…
Machine design
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