Cutlery – Cutting tools – Push and/or pull type
Patent
1980-06-13
1981-07-14
Kunin, Stephen G.
Cutlery
Cutting tools
Push and/or pull type
30355, B26B 300
Patent
active
042778913
ABSTRACT:
Surface protecting tape is cut away from a lens edge with an annular cutting blade after application to the lens. The blade is pressed and/or rotated into portions of the tape extending over the lens edge for cutting therethrough and freeing the lens. Knife edge serrations enhance the cutting action and blade holding means facilitates its operation.
REFERENCES:
patent: 534570 (1895-02-01), Norris
patent: 606511 (1898-06-01), Buckles
patent: 634892 (1899-10-01), Jenks
patent: 2596851 (1952-05-01), Hansen
patent: 2683312 (1954-07-01), Dover
patent: 2825968 (1958-03-01), Baer
patent: 2990615 (1961-07-01), Ohler
patent: 3004340 (1961-10-01), Collins
patent: 3765282 (1973-10-01), Crain
American Optical Corporation
Kunin Stephen G.
Spencer Alan H.
Zatarga J. T.
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