Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 20
the pinion within that of the outer wheel; and the general construction will be readily GEARING. 11 seen by comparing this figure with the preceding one and with Fig. 2085. If the diameter of theinner wheel be half that of the annular one, the teeth of the latter become radii of the pitch-circleif… … in this case be made so long that three or even two pins are sufficient to drive the outer wheel con-tinuously, the whole combination in the latter case assuming a very curious aspect, as shown in Fig.2090 ; the pins turning in blocks which slide back and forth in the two slots at right angles to…
Mechanical engineering -- Dictionaries
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