Patent ID: 6249983
Filing Date: 2001-06-26
Classification: F16M,G01C

Abstract:
A leveling apparatus for a laser level including:a base having a central axis;a sphere-shaped ball device fixed with respect to the base;a sphere-shaped socket component mounted to the ball device for relative, sliding movement with respect to such ball device; anda retention mechanism in registry with the central axis and including first and second locking members in overlapping relationship to one another, thereby selectively retaining the socket component in a fixed position with respect to the ball device, and wherein:the first locking member includes a single ball spaced from the ball device, andthe second locking member includes a split clamping ring spaced from the socket component and contacting the ball; and wherein:when the clamping ring is tightened against the single ball, the position of the socket component is fixed with respect to the ball device.