Illumination – Supports – Special switch operator
Reexamination Certificate
2000-09-08
2002-01-29
O'Shea, Sandra (Department: 2875)
Illumination
Supports
Special switch operator
C362S800000, C362S806000, C101S405000, C101S406000
Reexamination Certificate
active
06341882
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a light emitting circuit assembly for toy, and more particularly to such a light emitting circuit assembly which closes/opens the circuit by means of the effect of the resilient material property of the lead-out legs of the light-emitting element.
FIG. 1
illustrates a light emitting circuit assembly used in a toy stamp. As illustrated, a compression spring
6
′ is mounted in a casing
5
′ around a stamp holder
4
′, a cover
3
′ is covered on the casing
5
′ and supported on the compression spring
6
′ to hold a light emitting element
1
′, a battery set
2
′ and a button
31
′. When pressing the stamp holder
4
′ on a sheet of paper, the stamp holder
4
′ is moved relative to the cover
3
′ to force the button
31
′ inwards against one lead-out leg
11
′ of the light emitting element
1
′, thereby causing the light emitting element
1
′ to emit light. When the pressure is disappeared, the stamp holder
4
′ is pushed back to its former position by the compression spring
6
′, and at the same time the button
31
′ returns to its former position, and therefore the light emitting element
1
′ is off. This light emitting circuit assembly is complicated.
FIG. 2
shows another structure of light emitting circuit assembly according to the prior art. According to this arrangement, the light emitting element
1
′ has two lead-out legs respectively disposed in contact with the negative terminal of two battery cells
2
′, and switching means
7
′ is provided and controlled to electrically connect the positive terminal of the two battery cells
2
′. This design requires much horizontal installation space.
FIG. 3
shows still another structure of light emitting assembly according to the prior art. According to this design, a contact element
8
′ is used and adapted to connect one lead-out leg
11
′ of the light emitting element
1
′ to the positive terminal of the battery set
2
′ through a metal spring
6
′, and the other lead-out leg
11
′ of the light emitting element
1
′ is constantly maintained in contact with the negative terminal of the battery set
2
′. This design is complicated.
SUMMARY OF THE INVENTION
It is one object of the present invention to provide a light emitting circuit assembly, which has a simple structure. It is another object of the present invention to provide a light emitting circuit assembly, which is inexpensive to manufacture. According to the present invention, the light emitting circuit assembly comprises a battery holder holding a battery set, and a light-emitting element installed in the battery holder. The light-emitting element has two lead-out legs arranged at right angles. The vertically extended lead-out leg of the light-emitting element is disposed in contact with the negative terminal of the battery set. The horizontally extended lead-out leg of the light-emitting element is spaced from the positive terminal of the battery set. When the battery holder is forced against the light emitting element, the vertically extended lead-out leg is curved, causing the horizontally extended lead-out leg to contact the positive terminal of the battery set, and therefore the light emitting element is turned on to emit light. When the pressure is disappeared, the vertically extended lead-out leg immediately returns to its former shape to move the horizontally extended lead-out leg away from the positive terminal of the battery set, and therefore the light-emitting element is off.
REFERENCES:
patent: 5738011 (1998-04-01), Tay
O'Shea Sandra
Troxell Law Office PLLC
Truong Bao
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