Flashlight with convex lens assembly providing multiple focuses

Details Flashlight with convex lens assembly providing multiple focuses Flashlight with convex lens assembly providing multiple focuses

2002-11-15

2004-10-12

Sember, Thomas M. (Department: 2875)

Illumination

Self powered lamp

With movable focusing element

C362S184000, C362S205000, C362S240000

Reexamination Certificate

active

06802622

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a flashlight with multiple focuses and includes multiple bulbs cooperated with multiple convex lenses.
BACKGROUND OF THE INVENTION
A conventional flashlight is shown in
FIG. 1
generally includes a body
11
with an open end
14
and a threaded section
12
is defined in an outer periphery of the open end
14
. Two batteries are received in the body
11
and a bulb assembly
10
is received in the open end
14
and electrically connected to the battery
15
. A cap
16
with a rotatable collar
13
is threadedly connected to the threaded section
12
. A switch is located at the outside of the body
11
so as to provide the electric power to the bulb assembly
10
. Nevertheless, the flashbulb has only one focus which cannot be adjusted or changed. In practical use, different focuses for a flashlight is important because the different focuses provides various illumination features which meets the requirements of the users.
The present invention intends to provide a flashlight that is equipped with a plurality of bulbs which are located corresponding to a plurality of convex lenses so that the flashlight provides multiple-focuses illumination features.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a flashlight having multiple focuses and the flashlight includes a tubular body having an open end so as to receive a power supply device via the open end, and a cap is connected to the open end. A bulb and reflection disk assembly is independently received in the cap and includes a plurality of bulbs connected to a reflection disk. The bulb and reflection disk assembly is electrically connected to the power supply device and a lens assembly is fixedly connected to the cap and located in front of the bulbs. The lens assembly comprises a plurality of convex lenses which are located corresponding to the bulbs.
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: 1758835 (1930-05-01), Hime
patent: 2339356 (1944-01-01), Sachs
patent: 4851974 (1989-07-01), Maglica
patent: 6367949 (2002-04-01), Pederson
patent: 6474837 (2002-11-01), Belliveau
patent: 6485160 (2002-11-01), Sommers et al.
patent: 6626556 (2003-09-01), Galli

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