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 742
rollers, which are made to revolve by gearing on their ends, and feed the log upto the saws. The front end of the log Cis placed on the lower spike-roller A ; the other end issupported on a truck F called a bear-trap, and held in place by two arms having long teeth, whichare forced into the log L,… … called a clamp, is run un-der it. On this truck aretwo upright jaws gearedto a right and left screw,by which the arms areforced up against the sideof the sawed log andpinch it lightly. At Hare pressure-rolls calledbinders. Their pres-sure is regulated by theweighted levers II. Thefeed is driven and…
Mechanical engineering -- Dictionaries
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