Retractable/disposable craft knife and blade insert therefor

Details Retractable/disposable craft knife and blade insert therefor Retractable/disposable craft knife and blade insert therefor

2005-09-27

2005-09-27

Choi, Stephen (Department: 3724)

Cutlery

Sheathed

Sliding blade

C030S151000, C030S335000

Reexamination Certificate

active

06948250

ABSTRACT:
A retractable/disposable craft knife with a unitary blade and flexible beam assembly is described. The knife includes an elongated housing which, with the blade and flexible beam assembly inserted therein, holds the assembly under flexural tension. The interior wall of the elongated housing forms a guideway for the unitary blade and flexible beam assembly and provides for the positive alignment of the blade and flexible beam assembly. The blade and flexible beam assembly moves back and forth along the guideway. The craft knife hereof is shown with a safety latch and in another embodiment with a transparent housing. Ergonomics features are discussed.

REFERENCES:
patent: 4509260 (1985-04-01), Gringer
patent: 4813143 (1989-03-01), Scheminger et al.
patent: 5330493 (1994-07-01), Haining
patent: 5545175 (1996-08-01), Abidin et al.
patent: 5599351 (1997-02-01), Haber et al.
patent: 5730751 (1998-03-01), Dillon et al.
patent: 5933918 (1999-08-01), Wallays
patent: 6263577 (2001-07-01), Wonderley
patent: 6374496 (2002-04-01), Hsu

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