A Book of Exposition by Homer Heath Nugent
page 30 of 123 (24%)
page 30 of 123 (24%)
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causing it to reverse the position of the escapement _B_, to release the
matrix, as plainly seen in Fig. 6. While this is taking place, the yoke-trigger _c6_ resumes its first position, as shown in dotted lines in Fig. 6, so that as the rotating cam lowers the yoke, it is again supported in its first position, the cam at the same time turning forward by momentum out of engagement with the roll until arrested in its original position by the pin _c7_. It will be observed that the parts between each key lever and escapement operate independently of the others, so that a number of cams may be in engagement with the rollers at one time, and a number of escapements at different stages of their action at one time. The matrices falling from the magazine descend through the front channels and are received on the inclined belt _F_, on which they are carried over and guided on the upper rounding surface of the assembler entrance-block _f1_, by which they are guided downward in front of the star-wheel _f2_, which pushes them forward one after another. The spaces or justifiers _I_, released from their magazine _H_, as heretofore described, descend into the assembler _G_ in front of the star-wheel in the same manner as the matrices. The line in course of composition is sustained at its front end by a yielding finger or resistant _g_, secured to a horizontal assembler slide _g2_, the purpose of these parts being to hold the line together in compact form. [Illustration: Fig. 7.] |
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