Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 87
and keyed upon a Imrizontal auxiliaryshaft, said segment meshing with a pinion >ipon the end of a short vertical shaft; and i)ymeans of a loose pinion at the iqiper end of this vertical shaft working in a rack running inthe bed-plate, the knife-frame is o|)erated at the proper time. The shearing… … Fig. 2.—Star honlc-trimmer. BOOK-BINDING MACHINES. 73 and, the lever being pivoted centrally in the framing, oscillates at intervals and effects themovement of the knife. The Star Book-Trimmer manufactured by George 11. Sanborn & bons, of Jsew York, isshown in Fig. 2. The rotation of the table…
Mechanical engineering
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