Patent ID: 6912792

Claim:
An apparatus for determining a level surface and comprising: a housing having opposed end portions and an exterior surface and including a plurality of apertures formed therein, said plurality of apertures being spaced apart from each other and being formed at said opposed end portions; a power supply source disposed within said housing and for supplying power to said apparatus; a plurality of switches connected to said power supply source and for selectively toggling said apparatus between on and off positions; a plurality of laser beam supply sources disposed within said housing and operably controlled by said plurality of switches and selectively operable between corresponding on and off positions; a plurality of reflecting members disposed within said housing and spaced from said plurality of laser beam supply sources, said plurality of reflecting members receiving a plurality of laser beams having respective first paths from said plurality of laser supply sources and reflecting said plurality of laser beams away in corresponding second paths respectively; a plurality of angle-adjusting members spaced from said plurality of reflecting members and disposed within said housing, said plurality of angle-adjusting members receiving a plurality of laser beams from said plurality of reflecting members and directing same along a third path and out of said housing via said plurality of apertures respectively; a plurality of control dials operably connected to said plurality of angle-adjusting members and for positioning same to thereby establish the respective third path of a plurality of laser beams; and a plurality of leveling devices attached to the exterior surface of said housing and for assisting to maintain said apparatus at a substantially level position.