Electrical connectors – With supporting means for coupling part – Coupling part or mating part extending into panel opening
Reexamination Certificate
2001-12-26
2003-07-08
Ta, Tho D. (Department: 2833)
Electrical connectors
With supporting means for coupling part
Coupling part or mating part extending into panel opening
C439S544000, C439S535000, C439S948000
Reexamination Certificate
active
06589075
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to connection structures, and particularly to a device for rapidly assembling a lamp rod and a lamp seat. Thereby, the user is only necessary to insert the lamp rod into the lamp seat. No stud is necessary.
2. Description of the Related Art
The prior art conductive connecting device for connecting a lamp rod and a lamp seat of a lamp, such as a wall lamp, a bracket lamp, or a standing lamp, etc., uses studs and nuts to connect the two components. It is not only that the lamp is easily to be collided in assembly, but also the other hand tool (for example, a spanner, an opener, etc. ) is necessary in assembly. Moreover, the friction in assembly will cause the electric wire to expose out so as to induce some dangerous conditions. Therefore, it is unsuitable to be assembled by the user and thus the manufacturers must assembly the wire connecting box and the lamp rod in advance for sale. However, this will increase the cost.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a device for rapidly assembling a lamp rod and a lamp seat. The device comprises a lamp seat in a though hole aside a wire connecting box and a lamp rod inserted into the lamp seat.
An extending portion with threads on an outer surface is extended from a lateral side of the lamp seat to an exterior of the though hole of the wire connecting box. The extending portion has an extending hole. A positioning ring is engaged to the extending portion at a portion out of a though hole. Thereby, the lamp seat is positioned at an inner side of the wire connecting box. A limiting sheet is positioned at the lateral side of the lamp seat toward the center of the wire connecting box. The limiting sheet has a recess portion at a center of the limiting sheet corresponding to an inserting hole of the lamp seat. An upper and a lower end of the recess are extended with respective locking pieces. Another end of the locking piece is exactly locked with a retaining piece; a space is formed between the recess and the retaining piece;
A front end of the lamp rod has a male joint for power conduction. After the lamp rod is inserted into the lamp seat. The male joint at the front end is exactly engaged with the female joint of the lamp seat so as to conduct power.
In assembly, the user is only necessary to insert the lamp rod into the lamp seat in the wire connecting box. No stud is necessary. The user may assemble the present invention by himself (or herself).
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.
REFERENCES:
patent: 5967837 (1999-10-01), Wolfe et al.
patent: 6123578 (2000-09-01), Truett
patent: 6193548 (2001-02-01), Sigl et al.
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