Electrical connectors – With circuit conductors and safety grounding provision – Direct grounding of coupling part member passing into aperture
Reexamination Certificate
2001-10-03
2003-02-04
Sircus, Brian (Department: 2839)
Electrical connectors
With circuit conductors and safety grounding provision
Direct grounding of coupling part member passing into aperture
C439S654000
Reexamination Certificate
active
06514093
ABSTRACT:
BACKGROUND OF THE INVENTION
(a) Field of the Invention
The present invention relates to an improved design for a structure of a wall mounting power adapter socket. and more particularly to one that provides more outlets for wall mounting socket or socket with least number of outlet in a more compact. practical. and saving manufacturing and assembly costs.
(b) Description of the Prior Art:
As illustrated in
FIGS. 1 and 2
of the accompanying drawings, the prior art of a structure of wall mounting power adapter socket is comprised of one casing
10
and two units of pins
20
. Each of the units of pins
20
includes a firing wire blade
201
, an earth wire blade
202
and a grounding prong
203
provided on the back of the casing
10
to be plugged into a wall socket for adapting electric power. Two rows of outlet units
30
are provided in the front of the casing
10
. Each unit of outlets is comprised of a firing wire outlet
301
, an earth wire outlet
302
and a ground prong socket
303
to receiver the insertion of plugs from electric appliances so to extend the supplied from a wall socket
100
.
However, those units of outlets
30
are arranged in two rows and each unit of outlets
30
requires a fire wire adaptive piece, an earth wire adaptive piece and a grounding prong adaptive piece to be provided inside. Multiples of the adaptive piece must be provided inside each unit of outlets
30
and respectively matched to where below the two rows of outlets
30
for plugging into the wall socket. The internal structure for the adaptive socket has to be very complicate to accommodate so many adaptive pieces, resulting in increased manufacturing and assembly costs. Furthermore, the internal structure becomes more complicate since each of the two units of pins
20
requires to be connected to the fire wire earth wire and grounding prong adaptive pieces from each unit of outlets
30
. Additional consumption of copper materials required for the adaptive pieces is a waste aid accounted for more production costs and troubles. summary of the invention.
The primary purpose of the present invention is to provide an improved design for a structure of wall mounting power adapter socket. To achieve the purpose, units of outlets on the surface of the casing of the socket are arranged in a longitudinal line, so that only one strip each of a fire wire adaptive piece, an earth wire and. a grounding prong are required. Each strip adaptive piece is then connected to a unit of pins provided on the back of the casing for compact structure and cost reduction.
Another purpose of the present invention is to provide an improved design for a structure of wall mounting power adapter socket. Within, multiples of sink are provided by punching between the strip fire adaptive and the earth adaptive pieces and having each of the sinks arranged below its corresponding outlet in the casing to receive plugging by electric appliance.
Another purpose yet of the present invention is to provide an improved design for a structure of wall mounting power adapter socket. Wherein, multiples of rectangular outlets are provided by punching between grounding prongs, and both side walls of each of the outlets extends askew an elastic piece to receive the insertion by a grounding plug from an electric appliance.
Another purpose yet of the present invention is to provide an improved design for a structure of wall mounting power adapter socket. Wherein, on an elected side by the unit of pins provided on the back of the casing, an insulation post is erected at a right angle. Upon plugging the unit of pins into the unit of outlets on one side of a wall socket, the insulation post is inserted into another unit of outlet on the other side to achieve more stable use of the power adaptive socket.
REFERENCES:
patent: 3131013 (1964-04-01), Carlson
patent: 3775727 (1973-11-01), Wise
patent: 3997225 (1976-12-01), Horwinski
patent: 4659161 (1987-04-01), Holcomb
patent: 5115368 (1992-05-01), Smith
patent: 5272587 (1993-12-01), Wan
patent: 5429518 (1995-07-01), Chen
patent: 5742464 (1998-04-01), Ceola et al.
patent: 6132257 (2000-10-01), Wang et al.
Sircus Brian
Varndell & Varndell PLLC
LandOfFree
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