Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Having means to interchangeably connect plural individual...
Reexamination Certificate
1999-03-04
2001-04-24
Nguyen, Nam (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Having means to interchangeably connect plural individual...
C429S096000, C429S097000, C429S121000, C429S178000, C429S179000
Reexamination Certificate
active
06221526
ABSTRACT:
BACKGROUND OF THE INVENTION AND RELATED ART STATEMENT
The present invention relates to an auxiliary power source device for a portable electronic instrument, which is securely and easily connected to the portable electronic instrument when a battery of the portable electronic instrument becomes weak or dead, so that the built-in battery of the portable electronic instrument can be charged, or the portable electronic instrument can be operated immediately by electricity of the auxiliary power source.
A portable phone or the like is prevailing rapidly. When using the portable phone frequently, consumption of a built-in battery thereof is quick, so that the battery becomes dead in a short time. Therefore, as a precaution, a portable type simple charger
50
as shown in
FIG. 5
is available in the market.
In the charger
50
, a connector
54
fitted into an external connection terminal
53
of a portable phone
52
is disposed at one side of a case
51
, and a battery
55
which supplies electricity to the connector
54
is provided at the other side of the case
51
.
And, the case
51
is provided with lock metal fittings
56
for preventing the connector
54
from disengaging easily when the connector
54
is fitted into the external connection terminal
53
. When the connector
54
is inserted, the lock metal fittings
56
are bent inwardly and expanded again by a spring action so as to engage with engaging step portions
57
.
When the charger
50
is detached from the portable phone
52
, push buttons
58
disposed at the lock metal fittings
56
are pushed in the directions shown by arrows in
FIG. 5
, so that the locking is released, and the charger
50
can be pulled out.
However, the charger
50
has the following problems. Namely, whenever the charger
50
is detached from the portable phone
52
, operation of pushing the push buttons
58
has to be carried out; and if a user forgets to push the push buttons
58
or mistakenly pulls out the charger
50
by force, the external connection terminal
53
of the portable phone
52
might be broken.
Especially, since the entire charger
50
has a comparatively large structure as compared to the portable phone
52
which has been miniaturized, the charger is not well fitted or installed when the charger is connected. Also, the charger is inconvenient because it is too large for carrying in case of emergency.
Also, a mechanism for locking is complicated to thereby increase cost of a product itself, resulting in failing to provide the products at a low price in the market.
The present invention has been made in view of the aforementioned problems, and an object of the invention is to provide an auxiliary power source device for a portable electronic instrument, which can be connected securely by a simple operation to the portable electronic instrument when the portable electronic instrument is out of battery so as to charge the portable electronic instrument or to immediately use the same.
Another object of the present invention is to provide an auxiliary power source device for a portable electronic instrument as mentioned above, wherein the auxiliary power source device can also be detached easily.
Further objects and advantages of the invention will be apparent from the following description of the invention.
SUMMARY OF THE INVENTION
To achieve the above objects, the present invention provides an auxiliary power source device for a portable electronic instrument, which is formed of a main body; an attaching terminal which is disposed to project at one side of the main body and freely detachably fitted into an external connection terminal in the portable electronic instrument to provide electricity to the same; a battery connected to the attaching terminal and disposed in the main body; and an engaging member disposed at a side portion of the attaching terminal. The engaging member has elasticity, so that when the attaching terminal is fitted into the external connection terminal, the engaging member engages an inner wall of the external connection terminal.
Also, the present invention provides an auxiliary power source device for a portable electronic instrument, which is formed of a main body; an attaching terminal which is disposed to project at one side of the main body and detachably fitted into an external connection terminal of the portable electronic instrument to provide electricity to the same, the attaching terminal having a concave groove at a side thereof; a battery connected to the attaching terminal and disposed in the main body; and an engaging member having elasticity and disposed to project outwardly from the concave groove. When the attaching terminal is fitted into the external connection terminal, a projecting amount of the engaging member projecting from the concave groove is decreased by virtue of elasticity of the engaging member, so that the engaging member is engaged with and held at the inner wall of the external connection terminal.
Further, the engaging member is disposed to be able to project from and retract in the concave groove. When the attaching terminal is fitted into the external connection terminal, the engaging member retracts into the concave groove and engages the inner wall of the external connection terminal.
Further, the auxiliary power source device includes a luminous member disposed at an adequate portion of an exterior of the main body and connected to the battery, and a switch connected between the luminous member and the battery.
REFERENCES:
patent: 4469765 (1984-09-01), McCartney et al.
patent: 5432025 (1995-07-01), Cox
patent: 5434018 (1995-07-01), Sasaki et al.
patent: 5663012 (1997-09-01), Shannon et al.
patent: 5843595 (1998-12-01), Kawakatsu
Kanesaka & Takeuchi
Nguyen Nam
Tanishita Industries Co., Ltd.
Ver Steeg Steven H.
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