Cutting implements

Cutlery – Cutting tools – Plural cooperating blades

Patent

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Details

30357, B26B 1306

Patent

active

044222408

ABSTRACT:
A shear has a first elongate blade having a generally convex work-engaging-cutting-edge and an elongate handle portion and a second elongate blade having a generally convex work-engaging-cutting-edge and an elongate handle portion and a pivot means for pivotally linking together the first and second blades. In closing stroke, the blades are swingable toward each other and their cutting edges oppose each other in facing relationship with the defined included angle between the blades at any point of their intersection having certain value in the order of 17.degree..+-.3.degree.. The combined included angles of the bevels of the cutting edges of the blades is in the order of not less than 80.degree. and not more than 120.degree..

REFERENCES:
patent: 1590075 (1926-06-01), Brenner
patent: 2090228 (1937-08-01), Porter
patent: 2958944 (1960-11-01), Wertepny
patent: 4150484 (1979-04-01), Hildebrandt

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