Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 194
the leverterminates in a fork, enclosing the hub of the coupling, and fastened bytwo bolts or pins to a collar c round the neck of the hub ; Z» is a boxor bearing for the shaft A; to support B the end of its shaft extendsa slight distance into the coupling A. It w^ill be observed that thehorns are… … Fig. 250. Fig. 251. engaged with this form of coupling while the shaft is inrapid motion, without great shock and injury to the ma-chinery. To obviate this, other forms of cou]3ling are re-quisite ; one of these is represented (fig. 250). On the shaftB is fixed a drum or pulley, which is embraced…
