Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 274
a square washer against a face of the nut. The simplest isShaws Lock-nut, in which one side of a circular washer is cut through, oneedge pressed up and the other down, to form a spring by which a pressure isbrought on the thread when the nut is screwed home. In the Billings lock- MACHINE DESIGN AND… … Fig. 545. Fig. 546. and of dimensions suited to the stress. That they may neither sink into thewood nor bend or break, cast-iron is frequently used, and often, as shown in!Pig. 546, for roof-frames. Shafts and Axles.—Short shafts, revolving in bearings or boxes, or fastenedwith pulleys, drum, or…
Mechanical drawing
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