Patent ID: 7591075
Filing Date: 2009-09-22
Classification: G01C,Y10S

Abstract:
1. A self-leveling light level device comprising: a chassis simultaneously pivotable in at least a first direction and a second direction under the influence of gravity; a housing surrounding at least a portion of the chassis; a stationary bearing operatively connected to the chassis and having an outer portion fixed to the housing and an inner race rotatable with respect to an outer portion of the stationary bearing; a first light source provided on the chassis for emitting a first light beam from the housing along a first plane; a second light source provided on the chassis for emitting a second light beam from the housing along a second plane; wherein the first light beam and the second beam are emitted from the housing in the same direction; a bracket having a first end and a second end to define a longitudinal axis and with each end connected to a respective arm; and a shaft transversely mounted on the bracket and carrying an inner bearing, wherein the bracket includes a first wall spaced from a second wall, with each wall having an aperture to receive a part of the shaft carrying the inner bearing.