Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 297
Fig. 616. 280 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. When from any cause, as in rolling mills, the gearing is subject to suddenshocks, which might be injurious unless some means were adopted to modifythe blow, friction couplings may be introduced of which Fig. 617 is an illus- … FiG. 617. tration, in which the frictional resistance is sufficient to transmit the requiredpower, but under sudden shocks yields and slips. It consists of two hubs, bothkeyed to their shafts; one of the hubs has a wood-lined groove into which theplate of the other is inserted and friction is…
Mechanical drawing
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