Automatically loadable and blade-stabilizing utility knife

Details Automatically loadable and blade-stabilizing utility knife Automatically loadable and blade-stabilizing utility knife

2005-05-03

2005-05-03

Payer, Hwei-Siu (Department: 3724)

Cutlery

Combined cutlery or combined with ancillary feature

With material-holder or disposal

C030S162000, C030S335000

Reexamination Certificate

active

06886257

ABSTRACT:
An automatically loadable and blade-stabilizing utility knife including a handheld housing, a slidable pushing mechanism, a resilient section, a releasing mechanism and a receptacle section. The housing has an open front end and an open rear end and serves to accommodate several blades therein. The pushing mechanism serves to engage with and push one of the blades. The resilient section serves to push the blades. The releasing mechanism serves to release the blade from the pushing mechanism. The receptacle section is disposed in the housing between the front and rear ends. The overlapping blades are loaded into the receptacle section through the opening of the rear end. Only one of the blades is permitted to slide between the front and rear ends. A pair of guide rails are disposed in the housing. A slide block is disposed on the pushing mechanism between the guide rails, whereby the blade can be more stably loaded and used.

REFERENCES:
patent: 3872591 (1975-03-01), Quenot
patent: 4005525 (1977-02-01), Gringer
patent: 4517741 (1985-05-01), Castelluzzo
patent: 6192589 (2001-02-01), Martone et al.
patent: 6374497 (2002-04-01), Sun
patent: 6446340 (2002-09-01), Ping
patent: 6553674 (2003-04-01), Budrow
patent: 20040163261 (2004-08-01), Lin

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