Light-emitting USB mobile disk-pen

Coating implements with material supply – Combined

Reexamination Certificate

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Details

C401S116000, C362S118000

Reexamination Certificate

active

06773192

ABSTRACT:

BACKGROUND OF THE INVENTION
(a) Field of the Invention
The invention relates to a USB plug for mobile flash drive and disposed at an upper end of a pen shaft, When being inserted to a USB receptacle of a computer, the light-emitting diode (LED) at the printed circuit board (PCB) emits light via a bulb at the upper pen shaft, thereby ensuring stability thereof when being inserted to a computer as well as enabling up-and-down adjustment of a refill within the pen shaft.
(b) Description of the Prior Art
Referring to
FIG. 1
showing a common USB flash drive
100
, wherein an USB plug
101
is inserted into a USB receptacle of a computer for accessing data. However, the flash drive
100
has no other purpose besides data storage, and is also rather awkward to carried along with. Industrialists have later developed a portable mobile disk-pen
200
as shown in
FIG. 2
, the pen comprises a USB plug
202
secured at a top end of a lower pen shaft
201
. The USB plug
202
is stored in an upper pen sheath
203
when not in use, and an outer periphery of a refill
2011
at a lower end of the lower pen shaft
201
is fixed with a pen cap
204
, such that the pen is both capable of writing and serving as a mobile disk. Yet, this prior mobile disk-pen
200
has the following drawbacks when put to practice:
1. The USB plug
202
is installed at the lower pen shaft
201
, which has a relatively longer body and is heavier because of the refill
2011
contained. As a result, the USB plug
202
inevitably bears a relatively larger load when being inserted into a USB receptacle of a computer, and thus often leading to poor contact.
2. The USB plug
202
is joined with the lower pen shaft
201
via a connected single printed circuit board (PCB)
2021
, and is therefore prone to wobble and again cause poor contact when being inserted into a USB receptacle of a computer.
3. The lower pen shaft
201
is secured with the USB plug
202
at an interior thereof, and thus no other refill can be replaced once the refill
2011
is consumed.
4. The outer periphery of the refill
2011
of the lower pen shaft
201
is necessarily accommodated within the pen cap
204
, and the pen cap
204
is easily lost for that it is a separate part from the lower pen shaft
201
.
5. The USB plug
202
inserted to a USB receptacle of a computer, the USB flash drive
100
can not emit light.
SUMMARY OF THE INVENTION
The primary object of the invention is to dispose a USB plug of a flash drive within an upper pen shaft, such that not only the USB plug offers better stability when being inserted to a computer, but also an upper pen shaft can emit light via a bulb.


REFERENCES:
patent: 5623136 (1997-04-01), Schmid et al.
patent: 6439734 (2002-08-01), Lo
patent: 6666564 (2003-12-01), Su

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