Cutting tool

Details Cutting tool Cutting tool

1980-03-24

1981-08-18

Kunin, Stephen G.

Cutlery

Cutting tools

Plural cooperating blades

30287, 30292, 30294, 30317, B26B 1300

Patent

active

042838533

ABSTRACT:
A cutting tool which may be pulled through sheet material to be cut has a pair of spaced circular cutting blades on a first shaft and a single circular cutting blade on a second shaft spaced vertically with respect to the first shaft and wherein both shafts are secured to a vertically standing flat body member in which a cutaway portion including a beveled surface defines paths for the work piece and a narrow section of material cut therefrom by the cutting tool.

REFERENCES:
patent: 742946 (1903-11-01), Wineman et al.
patent: 769081 (1904-08-01), Hemington
patent: 864105 (1907-08-01), Palmer
patent: 1098671 (1914-06-01), Lundy
patent: 1229120 (1917-06-01), Montgomery
patent: 1328547 (1920-01-01), Shaw
patent: 1511892 (1924-10-01), Lusby
patent: 1720305 (1929-07-01), Tjernlund
patent: 2308148 (1943-01-01), Bancroft
patent: 3028670 (1962-04-01), Tilly
patent: 4156968 (1979-06-01), Gould et al.
IBM Technical Disclosure Bulletin, vol. 2, No. 1, Jun. 1959, p. 8.

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