B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 45/00 (2006.01) B25F 5/00 (2006.01) B25H 1/00 (2006.01)
Patent
CA 2392848
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.
Cooper Vincent P.
Driessen Leo
Fung George Ch
Kwok Patrick Ck
Shing Chan Ka
Black & Decker Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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