Levelling apparatus for a builder's laser level

Details Levelling apparatus for a builder's laser level Levelling apparatus for a builder's laser level

1998-08-14

2000-11-28

Fulton, Christopher W.

Geometrical instruments

Straight-line light ray type

Alignment device

33290, G01C 1500, G01C 500

Patent

active

061517879

ABSTRACT:
A levelling apparatus for a builder's laser level includes a base having a central axis and a sphere-shaped socket component mounted to the base. A sphere-shaped ball device is received in the socket component for relative movement with respect thereto. A retention mechanism is spaced radially outwardly from the central axis and includes first and second locking members in overlapping relationship to one another, thereby retaining the ball device in the socket component. In a second embodiment of the levelling apparatus, the sphere-shaped ball device is mounted to the base and the sphere-shaped socket component mounted to the ball device for relative movement with respect thereto. The retention mechanism is in registry with the central axis and includes first and second locking members in overlapping relationship to one another, thereby retaining the socket component to the ball device.

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