Cutlery – Holders for detachable blades – Interlocked blade and holder
Patent
1984-05-31
1987-03-03
Peters, Jimmy C.
Cutlery
Holders for detachable blades
Interlocked blade and holder
30335, 30351, B26B 108
Patent
active
046464409
ABSTRACT:
A low profile precision knife with a quick-change or safety storable blade. The blade holding handle being stamp formed from a minimum of two parts, namely a metal spring slide and a metal housing. The spring slide adapted to slidably fit the housing is provided with a flexible tang that is receivable to an aperture in the blade's shank. Securement of the blade is made by pulling on a projection on the spring slide at the knife handle's rear, thereby causing longitudinal bends and a tang, through the blade's aperture, to exert deformed pressure against the blade shank and an internal projecting nub in the housing when it is brought to its detent position against parallel shoulders on the blade. Removal of the blade is made by pushing forward with a finger on the slide projection at the rear of the knife. The blade can be safety stored by reversing the cutting edge into the housing when the spring slide is fully extended. The flexible tang on the spring slide is receivable to the aperture in the reversed blade and is locked in when the reversed blade shoulders are against the end of the housing. Lifting on the reversed shank of the blade while pushing downward on the flexible tang releases the blade.
REFERENCES:
patent: 1754650 (1930-04-01), Seaholm
patent: 2018603 (1935-10-01), Case et al.
patent: 2413082 (1946-12-01), Skaer
patent: 2431118 (1947-11-01), Heigle
patent: 3063147 (1962-11-01), Paparelli
patent: 3171201 (1965-03-01), Carifi
patent: 3314148 (1967-04-01), Foellmi
patent: 3708881 (1973-01-01), Bennett
patent: 3889368 (1975-06-01), Himeno
patent: 3905101 (1975-09-01), Shepherd
patent: 4196515 (1980-04-01), Sugiyama
American Safety Razor, Co., Graphic Art Blades, p. A17, Feb. 1, 1977.
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