Ball-point pen

Details Ball-point pen Ball-point pen

2005-06-07

2005-06-07

Huson, Gregory L. (Department: 3751)

Coating implements with material supply

Projectable and retractable tool

Including retraction spring and projected-position retainer

C401S099000

Reexamination Certificate

active

06902334

ABSTRACT:
A ball-point pen comprises: a ball-point pen tip, a coil spring, a refill, a mid tube, a upper tube, a clip, a sliding bar, a lower holder, a pen cap, a back plug spring, a sliding bracket, and a back plug; wherein the refill spring is placed inside the ball-point pen tip holder, the refill is placed inside the space formed between the tip holder and the mid tube, the lower holder is fixed on the pen cap, the sliding base, back plug spring, and back plug is fixed on the lower holder whiling being moveable, the sliding bar is fixed inside the sliding bar, the sliding bar is placed inside the sliding base, the refill is connected to the mid-connected tube, the mid-connected tube is connected to the upper-connected tube, and the upper-connected tube is connected to the pen cap. Accordingly, the characteristic of convenient replacement of refills, comfortable writing, and good appearance with regard to a ball-point pen can be achieved.

REFERENCES:
patent: 2808032 (1957-10-01), Ducharme
patent: 4991988 (1991-02-01), Snell et al.
patent: 6050735 (2000-04-01), Hazzard
patent: 6264388 (2001-07-01), Wang

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