Receptacles – Outlet or junction box type – With support
Reexamination Certificate
2000-08-09
2001-05-08
Moy, Joseph M. (Department: 3727)
Receptacles
Outlet or junction box type
With support
C220S326000, C220S003300, C248S156000, C248S906000, C174S0450TD
Reexamination Certificate
active
06227395
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an electrical receptacle, more particularly to a stake assembly for an electrical receptacle.
2. Description of the Related Art
FIG. 1
illustrates a conventional stake
1
for an electrical receptacle
2
. The electrical receptacle
2
includes a pair of housing halves
23
which form an end wall
21
and a central opening
22
in the end wall
21
when coupled together. The stake
1
includes a cone-shaped body
11
formed with a top plate
12
and an engaging post
13
which projects from the top plate
12
, and which has a diameter greater than that of the central opening
22
. An annular groove
15
is formed in the engaging post
13
for engaging the end wall
21
at a periphery of the central opening
22
when the engaging post
13
projects through the central opening
22
and into the electrical receptacle
2
.
Since the coupled housing halves
23
of the electrical receptacle
2
are required to be separated from each other so as to permit the engaging post
13
to be received in or to be taken out from the electrical receptacle
2
, it is inconvenient for the user to mount or dismount the electrical receptacle
2
on or from the stake
1
.
SUMMARY OF THE INVENTION
Therefore, the object of the present invention is to provide a stake assembly that can be engaged or disengaged from an electrical receptacle without dismantling the housing of the latter.
According to the present invention, a stake assembly for an electrical receptacle comprises: a stake having a top end formed with a slot; and a coupling device mounted movably on the top end of the stake for sliding along the slot, the coupling device including a pair of opposite engaging members adapted to interconnect the stake and the receptacle, the engaging members respectively having first protrusions, each of which has a stem portion projecting from the slot toward the receptacle, and a hooking end extending laterally from the stem portion and adapted to hook releasably with the receptacle, the engaging members being slidable along the slot between a first position, in which the hooking ends of the first protrusions engage the receptacle, and a second position, in which the first protrusions move toward each other from the first position and the hooking ends disengage from the receptacle, the coupling device further including an urging member that urges the engaging members to move from the second position to the first position.
REFERENCES:
patent: 3952908 (1976-04-01), Carson
patent: 4874105 (1989-10-01), Tetreault
patent: 5423499 (1995-06-01), Webb
patent: 5567913 (1996-10-01), Lin
patent: 6008452 (1999-12-01), Lux, Jr.
patent: 6114623 (2000-05-01), Bonilla et al.
Chen Chi-Wen
Ladas & Parry
Moy Joseph M.
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