Dustpan with integral illumination source

Details Dustpan with integral illumination source Dustpan with integral illumination source

2008-08-27

2010-06-15

O'Shea, Sandra L (Department: 2875)

Illumination

Machinery lighting

Cleaning

C362S119000, C362S154000, C362S234000, C362S253000

Reexamination Certificate

active

07736009

ABSTRACT:
This invention describes a hinged dust pan comprising a light source that is designed to illuminate a floor or other flat work surface in front of the dustpan for the purpose of locating and collecting small hard to see objects. This can be for the purpose of cleaning or simply locating a small valuable object. The light source is fashioned such that it provides a very low grazing angle of illumination that it skims across a surface. Small objects or particles are visible as being brighter than the surroundings and set off by a long shadow on the side of the particle away from the light.

REFERENCES:
patent: 2208523 (1940-07-01), Cullman
patent: 2889450 (1959-06-01), Nordquist
patent: 4414612 (1983-11-01), Conforti
patent: 4605994 (1986-08-01), Krieg
patent: 4926299 (1990-05-01), Gilson
patent: 6836285 (2004-12-01), Lubard
patent: 6941896 (2005-09-01), Morin
patent: 2002/0104551 (2002-08-01), Mead
patent: 2006/0215391 (2006-09-01), Jones
patent: 2006/0273946 (2006-12-01), Krikorian
patent: 2007/0035624 (2007-02-01), Lubard

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