Utility razor safety knife

Details Utility razor safety knife Utility razor safety knife

1992-04-30

1993-09-07

Watts, Douglas D.

Cutlery

Carton openers

30286, B26B 308

Patent

active

052417506

ABSTRACT:
An improved utility razor safety knife is disclosed. The knife hood is normally in the closed position where the blade is protected. The hood may be locked in the closed position by a sliding hood lock. The hood pivots into the open position, exposing the razor blade, when the knife is in use. The hood is stabilized in its movement and biased toward the closed position by a yoke with two legs which is attached to an arm on the handle. Springs on the yoke bias the hood toward the closed position. Springs of varying gauges may be used to vary the closing impulse on the hood. The legs of the yoke exert their influence through footing pieces which are received by socket-bearing footing rests attached to the sides of the hood. The footing rests stabilize the knife in an upright position when the knife is resting on a surface and also stabilize the razor blade during cutting.

REFERENCES:
patent: 2376887 (1945-05-01), Walters
patent: 2686360 (1954-08-01), Fisher
patent: 2730800 (1956-01-01), Bailey
patent: 2743523 (1956-05-01), Honey
patent: 3781988 (1974-01-01), Jones
patent: 4531286 (1985-07-01), Vito et al.
patent: 4675996 (1987-06-01), DuBuque

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