Flashlight with heat-dissipation device

Details Flashlight with heat-dissipation device Flashlight with heat-dissipation device

2005-07-26

2005-07-26

O'Shea, Sandra (Department: 2875)

Illumination

Self powered lamp

Cylindrical flashlight casing

C362S294000, C362S389000

Reexamination Certificate

active

06921181

ABSTRACT:
A flashlight structure with a heat-dissipation device is disclosed. The flashlight structure includes a base having a conducting point isolated with the base; a high-power luminary disposed on the base and having an anode electrode connecting with the conducting point and a cathode electrode connecting with the base; a power source having a positive terminal connecting to the conducting point and a negative terminal connecting to the base for providing the luminary with power; and a housing including the base and having plural heat sink for dissipating the heat produced by the high-power luminary, thereby preventing the flashlight from damage of device or diminution of use life.

REFERENCES:
patent: 3639751 (1972-02-01), Pichel
patent: 4415954 (1983-11-01), Schaefer

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