Patent ID: 6131298
Filing Date: 2000-10-17
Classification: G01C

Abstract:
A self-supporting level measurement device for indicating true vertical or horizontal orientation of surfaces, said self-supporting level measuring device comprising:a bubble level measurement device having a linearly elongated rectangular frame, with a first end opposite a second end and having a midpoint recess, said midpoint recess being a C-shaped cavity having a recessed surface oriented parallel to the longitudinal axis of said rectangular frame, said bubble level measurement device having clamp securing pins protruding from said first end, said second end, and said midpoint recess; andat least two spring biased clamping devices for removably affixing said frame to a workpiece each device consisting of an outer clamp arm and an inner clamp arm arranged opposing one another and pivotally attached near the midpoints thereof by a clamp securing sleeve, said clamp securing sleeve being generally cylindrical in shape and having a clamp securing pin socket bored therein, providing removable connectivity of said at least two spring biased clamping devices to said clamp securing pins, thus attaching said at least two spring biased clamping devices to said bubble level measurement device.