Automatic pencil

Details Automatic pencil Automatic pencil

2008-04-14

2010-02-09

Le, Huyen (Department: 3751)

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including holder

Reexamination Certificate

active

07658567

ABSTRACT:
Au automatic pencil comprising an outer pencil tube, a pencil head, a clipping device, a guiding tube and a pencil lead cylinder, characterized in that a resilient element is mounted between the guiding tube and the clipping device allowing the guiding tube to reciprocate upward and downward within the stopper. The resilient element urges the guiding tube to rise upward if the pencil lead cylinder is not depressed, and to keep a distance from the pencil lead, and to allow another pencil lead to be inserted. The pencil lead cylinder can adapt a plurality of pencil lead.

REFERENCES:
patent: 6854909 (2005-02-01), Fukumoto et al.
patent: 7452147 (2008-11-01), Rolion et al.

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