Patent ID: 7370427

Claim:
Construction laser with at least one laser beam ( 4 ) defining a plane ( 3 ), the construction laser comprising: a housing ( 5 ); and a laser unit ( 6 ) arranged in the housing ( 5 ) and tiltable relative thereto around at least one swiveling axis ( 9 a ), said laser unit ( 6 ) having; at least one leveling sensor ( 10 a ), which is sensitive to an inclination of the laser unit ( 6 ) for highly precise alignment relative to the gravitational field (G), and at least one tilt sensor ( 11 a ), which performs direct measurement of an inclination angle {acute over (α)} relative to the gravitational field (G), wherein said at least one leveling sensor and tilt sensor are mounted on said tiltable laser for joint movement therewith and without relative movement to each other.