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 748
for-ward, while opening to release it when pulled backward. A nut affords journal-bearing to the tailend of the spindle. A screw is provided in one piece with the four stationary handle-pieces 0, whichremain stationary while the inner spindle revolves, there being a device for permitting said… … force the work-holding dies to close upon and hold the work, while a converse movement of 0 releasesit, as is necessary to put the rod of iron forward through the inner spindle for each screw. The opera-tion is to pass the rod of iron through until it touches the stop in the revolving head, and…
Mechanical engineering -- Dictionaries
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