Razor knife with retractable blade guard

Details Razor knife with retractable blade guard Razor knife with retractable blade guard

1999-06-11

2000-06-06

Watts, Douglas D.

Cutlery

Carton openers

30293, 30294, B26B 2902

Patent

active

060703261

ABSTRACT:
A knife has an elongated handle having an outer end and a longitudinally extending flat blade secured in the handle and projecting from the outer end. The blade has a transverse outer edge and a longitudinally extending side cutting edge meeting at a point. The handle is formed with a pair of longitudinally outwardly open and longitudinally extending guides flanking the blade adjacent the cutting edge thereof. Respective longitudinally extending pins having generally parallel and transversely projecting outer ends sections are longitudinally displaceable in the guides between extended positions with the outer end sections lying longitudinally outward of the point and retracted positions with the outer end sections longitudinally rearward of the point and the blade passing between the outer end sections. Respective springs braced between the pins and the handle urge the pins into the extended positions.

REFERENCES:
patent: 142942 (1873-07-01), Ratelle
patent: 2743523 (1956-05-01), Honey
patent: 4086698 (1978-05-01), Sparks
patent: 4192066 (1980-03-01), Tucker
patent: 4393587 (1983-07-01), Kloosterman
patent: 4569133 (1986-02-01), Schmidt
patent: 5325594 (1994-07-01), Szafranski

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