Heavy-duty box opener

Details Heavy-duty box opener Heavy-duty box opener

1996-09-13

1997-12-16

Payer, Hwei-Siu

Cutlery

Carton openers

30294, B26B 308

Patent

active

056971575

ABSTRACT:
A slitter comprising a blade having a cutting edge; a holder with blade, including a handle, and a terminal on the handle retaining the blade with the blade edge protruding; and a shield carried by the holder proximate the terminal, for movement between extended position in which the blade is protected, and retracted position in which the blade edge is exposed for cutting, the shield having two side plates movable adjacent opposites sides of the terminal, protective structure extending between the plates to extend beyond the blade in shield extended position, and a retainer interconnecting the plates, there being a pivot interconnection between the plates and the holder, proximate the retainer.

REFERENCES:
patent: 365714 (1887-06-01), Warner
patent: 2376887 (1945-05-01), Walters
patent: 2730800 (1956-01-01), Bailey
patent: 2743523 (1956-05-01), Honey
patent: 3430339 (1969-03-01), Hobson
patent: 3781988 (1974-01-01), Jones
patent: 4531286 (1985-07-01), Vito et al.
patent: 4675996 (1987-06-01), DuBuque
patent: 5234436 (1993-08-01), Eaton et al.
patent: 5241750 (1993-09-01), Chomiak

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