Geometrical instruments – Indicator of direction of force traversing natural media – Structurally installed including relation to feature thereof
Reexamination Certificate
2006-07-04
2006-07-04
Fulton, Christopher W. (Department: 2859)
Geometrical instruments
Indicator of direction of force traversing natural media
Structurally installed including relation to feature thereof
C033S366240
Reexamination Certificate
active
07069662
ABSTRACT:
A power tool includes a leveling device which includes a rotatable member which seeks an equilibrium position which corresponds to a level position. A rotating device includes a member which enables passage of a beam. An electrical circuit which includes an emitting device, a receiving device and an indicating device is electrically coupled such that upon activation, the emitting device emits a beam which passes through the beam passing member. The beam is received by the receiving device which, in turn, activates the indicator device. The indicator is generally a light emitting device which has a varying brightness so that the user may view the indicator from all sides of the power tool.
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CH Fung George
Cooper Vincent P.
Driessen Leo
Kwok Patrick CK
Shing Chan Ka
Black & Decker Inc.
Fulton Christopher W.
Harness & Dickey & Pierce P.L.C.
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