Fixed-nib writing instrument with a protective retractable...

Details Fixed-nib writing instrument with a protective retractable... Fixed-nib writing instrument with a protective retractable...

2007-10-02

2011-12-20

Nguyen, Tuan (Department: 3751)

Coating implements with material supply

Projectable and retractable tool

With movable closure or gate

C401S116000, C401S117000

Reexamination Certificate

active

08079767

ABSTRACT:
A fixed-nib writing instrument having a shaft extending along a longitudinal axis (A) and at the front of which a protective sleeve is mounted such that it can move coaxially with respect to the shaft, the sleeve moving between a protecting position in which it covers the writing nib and a retracted position in which it enables writing, the sleeve having a wall section which includes at least one helical guide path in engagement with at least one peg connected to the shaft in order that a rotation of the sleeve causes the latter to slide translationally between the protecting position and the retracted position.

REFERENCES:
patent: 2952242 (1960-09-01), Rosso
patent: 4529328 (1985-07-01), Wacha et al.
patent: 4780016 (1988-10-01), Kim
patent: 2001/0053307 (2001-12-01), Rigoni
patent: 2007/0172301 (2007-07-01), Rolion et al.
patent: 4431741 (1996-02-01), None
patent: 20009728 (2000-09-01), None

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