Patent ID: 7373724
Filing Date: 2008-05-20
Classification: G01C

Abstract:
1. A laser level comprising a level-adjusting device and a laser transmitter device mounted on the level-adjusting device; the level-adjusting device comprising: a plurality of motor modules angularly spaced from each other, each motor module selectively driving a movable block in a vertical direction; a horizontal flat board supported by the blocks and movable by the blocks to a desired condition; a cross rotatable circle comprising an outer circle rotatable about a first rotation axis and a concentric inner circle rotatable about a second rotation axis perpendicular to the first rotation axis; and a connecting post connecting the horizontal flat board to the cross rotatable circle, comprising an end mounted on the horizontal flat board and an opposite end coupled with the inner circle and an adjusting flat board perpendicularly fixed to the post for supporting the laser transmitter.