Multi-functional replaceable pen

Details Multi-functional replaceable pen Multi-functional replaceable pen

2000-06-21

2001-07-17

Huson, Gregory L. (Department: 3751)

Coating implements with material supply

Projectable and retractable tool

By screw mechanism

C401S099000, C401S195000

Reexamination Certificate

active

06261016

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a multi-functional replaceable pen, especially, by the present invention, a pen with a rotary device can be used more conveniently, and provides various shapes and configurations to the pens.
BACKGROUND OF THE INVENTION
With reference to
FIGS. 1 and 2
, a schematic perspective view and an exploded schematic perspective view of a prior art rotary device in a pen are illustrated. The pen mainly includes a tube body A. a refill B and a refill sleeve C.
The tube body A is formed by combining an upper pen tube A
1
and a lower pen tube A
2
. The rotary device A
3
is installed in the upper edge of the lower pen tube A
2
.
When inserting the refill B into the refill sleeve C for being inserted further into the tube body A, the upper pen tube A
1
and the refill sleeve C must be pulled out oppositely. Then the refill sleeve C of the refill B is inserted into the rotary device A
3
. Finally, the holding ring A
11
of the upper pen tube A
1
is tightly combined with the plurality of holding strips A
22
on the outer ring A
21
of the lower pen tube A
2
.
Since the rotary device A
3
of the prior art pen is mostly installed between the upper pen tube A
1
and lower pen tube A
2
, the structure and shape of the rotary pen is confined. If it is desired to update the refill B, the upper pen tube A
1
and lower pen tube A
2
are necessary to be pulled away.
Therefore, there is an eager demand for a novel multi-functional replaceable pen, in which the rotary device is displaced from a prior art position. Thereby, the shapes and functions of the pen can be varied.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a multi-functional replaceable pen by which the manufacturer of pens may design pens with various functions or outlooks.
Another object of the present invention is to provide a multi-functional replaceable pen, by which the refill can be replaced from a plurality of positions of the pen.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when reading in conjunction with the appended drawing.


REFERENCES:
patent: 2565556 (1951-08-01), Gruber
patent: 4221490 (1980-09-01), Malm
patent: 4529328 (1985-07-01), Wacha et al.
patent: 5483429 (1996-01-01), Chu
patent: 5806164 (1998-09-01), Wilks

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