[Illustration: IMPROVED COKE BREAKER.]

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IMPROVEMENT IN PRINTING MACHINERY.


This is the design of Alfred Godfrey, of Clapton. According to this
improvement, as represented at Figs. 1 and 2, a rack, A, is employed
vibrating on the pivot a, and a pinion, a1, so arranged that instead of
the pinion moving on a universal joint, or the rack moving in a parallel
line from side to side of the pinion at the time the motion of the table
is reversed, there is employed, for example, the radial arm, a2, mounted
on the shaft, a3, supporting the driving wheel, a4. The opposite or
vibrating end of the radial arm, a2, supports in suitable bearings the
pinion, a1, and wheel, a5, driving the rack through the medium of the
driving wheel, a4, the effect of which is that through the mechanical
action of the vibrating arm, a2, and pinion, a1 in conjunction with the
vibrating movement of the rack, A, an easy, uniform, and silent motion
is transmitted to the rack and table.

[Illustration: IMPROVEMENTS IN PRINTING MACHINERY. Fig. 1]

[Illustration: IMPROVEMENTS IN PRINTING MACHINERY. Fig. 2.]

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