Protractor bubble level
OwnerBruce E. Schwandtinventor
Life of this patent
Estimating the term…
Abstract
The present invention relates to an improved leveling device for use with various tools or other objects during a construction or repair process. A bubble level is mounted along the straight edge of a semi-circular protractor. The protractor is movably connected to a base member and adapted to pivot thereon relative to a central axis extending through the base member. A detent mechanism is provided within the base member for maintaining the protractor at various angular settings. The base member is also adapted to rotate about the central axis and may be easily and quickly attached to or removed from the protractor bubble level as well as various types of work surfaces including wood and metal.
Claims12
An adjustable protractor bubble level comprising:
- a protractor portion having angular graduations thereon;
- an elongate bubble level rigidly mounted to said protractor portion.
- a base member defining a central axis extending therethrough, said base member comprising:
- (a) a protractor securing portion, said protractor portion being pivotally mounted to said securing portion;
- (b) a mounting portion having a generally planar lower surface;
- and
- (c) a snap connector for rotatably and releasably attaching said mounting portion to said securing portion in a manner wherein said securing portion is rotatable about said central axis;
- means for affixing said lower surface of said mounting portion to a work surface.
Dependencies are inferred from the claim text.