Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 477
nil,. I ■ Iitno. 470 PERCUSSION-CAP MACHINE. u is the gage, a cap of steel over the head of the forming-die, with semicircular notch in its edgeagainst which the star is driven by the transfer and held concentric with the forming-die until seized bythe forming-punch. yy, the driver, a slender lever… … 8029. It is operated by a pin in the runner TV pressing against a tumbler, and holding it behind thepunch while a capsule is being forme I, and releasing i* instantly when the capsule is raised by the ele-vator above the gage u. nn, feed-rollers. There is a similar pair behind the punch to continue…
Mechanical engineering
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