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US 2004/0057232 A1Published application
Hand-held flashlight applicable for illumination of long distance and 360-degree sector
AssigneeFlying Dragon Development Ltd.
InventorTit Wing Poon
Life of this patent
Estimating the term…
Abstract
The present invention generally relates to a hand-held flashlight that is telescopically extendable along a concentric axis. The flashlight having a transparent portion which allows light to radiate out of the flashlight in a 360-degree sector when in the extended configuration. The flashlight having an exhaust unit for equalizing pressure between an interior and exterior of the flashlight.
Claims10
A hand-held flashlight comprising:
- a head having a head-case with a rear end, a transparent cover, and a reflecting cup;
- a transparent cylinder fitted to the rear end of the head;
- a body having a body-case wherein said body-case is in concentric axial sliding cooperation with the transparent cylinder;
- a cell holder inside the body-case for containing and retaining cells;
- a lamp cartridge for securing a lamp, said lamp cartridge being located above the cell holder;
- an electrical connection means to provide electrical communication between the illuminator and the cells, said means further having an on-off means;
- a bottom cap engageable with the body-case, and having electrical contact surfaces for contact with the cells;
4 more elements
Dependencies are inferred from the claim text.