Portable self contained light generating device powered by a...

Details Portable self contained light generating device powered by a... Portable self contained light generating device powered by a...

2008-07-15

2008-07-15

O'Shea, Sandra (Department: 2875)

Illumination

Self powered lamp

Generator power source

C362S192000, C968S805000, C368S093000, C368S095000

Reexamination Certificate

active

07399102

ABSTRACT:
A portable self contained light generating device which is powered by a flow of granular material falling under the influence of gravity to impinge upon and cause a paddle wheel to rotate thereby turning a small generator producing electricity to power one or more light emitting diodes for illumination. The device equipped with a multi-position power/illumination control switch and in some embodiments also provided with a battery providing supplemental power.

REFERENCES:
patent: 1694059 (1928-12-01), Denny
patent: 3125849 (1964-03-01), Wachtel
patent: 3935702 (1976-02-01), Tamada
patent: 3974638 (1976-08-01), Haber
patent: 4267588 (1981-05-01), Daniels
patent: 4474481 (1984-10-01), Croyle
patent: 6579003 (2003-06-01), Glick et al.
patent: 6924598 (2005-08-01), Strattman
patent: D510284 (2005-10-01), Hsu

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