Rocker Switch with LED indicators

Details Rocker Switch with LED indicators Rocker Switch with LED indicators

2001-08-31

2003-09-16

Luebke, Renee (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

06621025

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a switch assembly for an LED illumination switch device and comprises less number of parts.
BACKGROUND OF THE INVENTION
A conventional LED switch assembly is shown in FIG.
1
and generally includes a base
1
′ with a top opening
12
′ and two recesses
11
′ defined in two sides of the base
1
′. Two pairs of L-shaped members
121
′ are installed in the base
1
′ and two V-shaped members
122
′ are respectively located between the two pairs of L-shaped members
121
. A frame
2
′ has two legs
22
′ which are snapped on the recesses
11
′ and an open top
21
′ for receiving a see-saw switch
4
′ engaged therein. A flange extends from an inside of the open top and has holes
211
′ for LED
3
′ extending therethrough. Each LED has wires
31
′ tangled on the L-shaped members
121
′. The see-saw switch
4
′ has two extensions
41
′ which contact the V-shaped members
122
′ so that when pushes either end of the see-saw switch
4
′, one of the two LED lights up.
Another conventional LED switch assembly is shown in
FIGS. 2 and 3
and generally includes a base
1
″ with a top opening
12
″ and two bosses
11
″ extending from two sides of the base
1
″. Two terminal members
121
″ and two springs
122
″ are installed in the base
1
″ and a contact plate
123
″ is located above the two terminal members
121
″. A frame
3
″ has two legs
33
″ which are engaged with the bosses
11
″ and an LED is engaged with a hole
32
″ in the frame
3
″. An activation member
2
″ has an open top
21
″ which extends through an aperture
31
″ in the frame
3
″ so as to be connected to a see-saw switch
6
″. Two extensions
22
″ on the activation member
2
″ contact the contact plate
123
″. The way that the wires of the LED connected to the two terminal members
121
″ is shown in FIG.
3
.
These two conventional LED switch assemblies involve too many tiny parts and the it is a time-costly work to tangle the wires to the L-shaped members
121
′ or the terminal members
121
″. Besides, when the see-saw switch is pushed downward at the right end, the LED on the left end lights up, this often confuses the users.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a switch assembly which comprises a base having two pairs of L-shaped members received therein and each of the L-shaped members has a spring connected thereon. Two V-shaped members are respectively located between the two pairs of L-shaped members. A frame is mounted on the base and has an open top. A flange extends from an inside of the open top and has four apertures defined therethrough. A circuit board is supported on the flange in the frame and two LEDs are connected on the circuit board. Four bosses extend from an underside of the circuit board and contact the spring via the apertures in the flange. A cap is engaged with the open top of the frame and two holes are defined through the cap so that the LEDs are engaged with the holes. An activation member extends through the circuit board and a shaft of the activation member extends through the cap. Two extensions of the activation member contact the V-shaped members. A see-saw switch is connected to the shaft of the activation member.
The primary object of the present invention is to provide a switch assembly that involves less number of parts and the assembling processes of the switch assembly is simplified.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.


REFERENCES:
patent: 5107082 (1992-04-01), Valenzona
patent: 6013885 (2000-01-01), Kowalczyk

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