Cutting – Tool or tool with support – Rotatable type
Patent
1980-09-11
1982-08-10
Meister, James M.
Cutting
Tool or tool with support
Rotatable type
83660, 83678, 83698, B26F 108
Patent
active
043432158
ABSTRACT:
The present invention is a clamping arrangement for the pins of a stamp perforating cylinder. A plurality of cavities are arranged in a checkerboard fashion on the surface of the stamp perforating cylinder. The pins are mounted along the side walls of the cavities and extend radially outwardly from the surface of the cylinder. The pins are held firmly in place within each cavity by a clamping member, a screw and an elastomer ring. The elastomer ring is installed at the base of the cavity and is held in place by the clamping member and screw. The screw and the clamping member coact to compress and displace outwardly the elastomer ring thereby firmly grasping the pins mounted along the side walls and securing the pins against movement. The clamping arrangement provides for retention of the pins while at the same time it permits easy removal and replacement of individual pins.
REFERENCES:
patent: 617012 (1899-01-01), Griffin
patent: 1714583 (1929-05-01), Anthony
patent: 2674026 (1954-04-01), St. Palley
patent: 3174428 (1965-03-01), Huck
patent: 3255651 (1966-06-01), Huck
patent: 3565308 (1968-06-01), Slack
patent: 3779285 (1973-12-01), Sinibaldo
patent: 3880030 (1975-04-01), Rosengren
patent: 4276800 (1981-07-01), Koppa et al.
Barlow Harry E.
Byrnes Thomas J.
Hill Joseph A.
Meister James M.
The United States of America as represented by the Secretary of
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