Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 60
Fig. 92 split the nut. Fig. 85 shows the knuckle or rounded screwthread. This form can be cast in a mold. It is used only forrough work. Fig. 89 shows the common wood screw. Anattempt is made to consider the differences in strength of the … Fig. 93 f^ig. 94 Fig. 95 ^ ^z^^ Fig. 9 6 wood and steel. For adjustment, Figs. 82, 83, 84, 86, and 87are used. Thrust screws for pillow blocks, crossheads, etc., arefamiliar examples of adjusting screws. Multiple Threads. — Screws may have either single, double,or other multiple threads. A…
Mechanical drawing
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