Cutter for semicylindrically curled paper

Details Cutter for semicylindrically curled paper Cutter for semicylindrically curled paper

1975-02-03

1977-12-06

Smith, Al Lawrence

Cutlery

Cutting tools

Plural cooperating blades

30229, 83607, B26B 1300

Patent

active

040608921

ABSTRACT:
A cutter, simple in construction but having good cutting quality and durability, for cutting paper in a semicylindrically curled state. With radii equal to or approximate to the radius of curvature of the paper to be cut, a stationary blade having a semicircular receding contour and a movable blade having an at least semicircular extending contour are spring-biased into pressure contact edgewise. The distance between the centers of the blades is greater than the difference between the blade radii so that the movable blade can always move in contact at only one point with the stationary blade during cutting operation.

REFERENCES:
patent: 11734 (1854-09-01), Stockton
patent: 378004 (1888-02-01), Heaton et al.
patent: 530059 (1894-11-01), Thompson
patent: 589101 (1897-08-01), Scholes
patent: 1085793 (1914-02-01), Boettger
patent: 2204736 (1940-06-01), Straubel
patent: 2255812 (1941-09-01), Rickman
patent: 2582933 (1952-01-01), Nielson
patent: 3703116 (1972-11-01), Doll

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