Electrical connectors – With contact preventer or retractable cover part – Movably mounted
Reexamination Certificate
1999-12-01
2001-04-17
Kincaid, Kristine (Department: 2831)
Electrical connectors
With contact preventer or retractable cover part
Movably mounted
C174S067000, C439S137000
Reexamination Certificate
active
06217353
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to an improvement in the structure of a safety receptacle and in particular to one which is simple in construction and easy to assemble.
2. Description of the Prior Art
Referring to
FIG. 1
, the conventional safety receptacle
1
generally includes a body portion, an upper slide
11
, a lower slide
12
and two springs
13
. The body portion is formed with two slots
14
at the top and a passage
10
in communication with the two slots
14
. The upper slide
11
is first engaged with the lower slide
12
and then fitted into the passage
10
. The two springs
13
are used for urging the upper slide
11
and the lower slide
12
to move in opposite directions to close the slots
14
. However, it is very difficult to mount the springs
13
on the slides
11
and
12
in such a small space thereby lowering the efficiency in assembly and reducing the production rate. In addition, the slides
11
and
12
are of different structures which will increase the cost and difficulty in assembly.
Therefore, it is an object of the present invention to provide an improved receptacle which can obviate and mitigate the above-mentioned drawbacks.
SUMMARY OF THE INVENTION
This invention is related to an improvement in the structure of a safety receptacle.
According to a preferred embodiment of the present invention, a safety receptacle includes a casing having a top formed with two slots, a pair of rectangular slides arranged within the casing in opposite directions, each of the slides having three sides formed with a plurality of semi-circular projections and another side with a resilient member, each of the slides having a first opening formed with an inclined shoulder and a second opening formed with a flat shoulder, each of the slides further having at top formed with a plurality of protuberances and a bottom formed with a rib, and a bottom cover configured to engage with a bottom of the casing and having a supporting portion for supporting the slides.
It is the primary object of the present invention to provide an improvement in the structure of a safety receptacle which is simple in construction.
It is another object of the present invention to provide an improvement in the structure of a safety receptacle which is easy to assemble.
It is still another object of the present invention to provide an improvement in the structure of a safety receptacle which is low in cost.
It is still another object of the present invention to provide an improvement in the structure of a safety receptacle where insertion of an object will cause no damage to the person inserting it.
It is a further object of the present invention to provide an improvement in the structure of a safety receptacle which is fit for mass production.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
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patent: 4168104 (1979-09-01), Buschow
patent: 4271337 (1981-06-01), Barkas
patent: 4379607 (1983-04-01), Bowden, Jr.
patent: 4591732 (1986-05-01), Neuenschwander
patent: 5006075 (1991-04-01), Bowden, Jr.
patent: 5113045 (1992-05-01), Crofton
patent: 5518132 (1996-05-01), Chen
patent: 5727958 (1998-03-01), Chen
patent: 5998735 (1999-12-01), Patterson, Jr.
patent: 6056564 (2000-05-01), Huang
patent: 6086391 (2000-06-01), Chiu
A & J
Aurise Inc.
Estrada Angel R.
Kincaid Kristine
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