Patent ID: 7472486
Filing Date: 2009-01-06
Classification: G01C

Abstract:
1. A level comprising: a frame that defines at least one substantially flat exterior surface configured to be placed against a reference surface, the frame defining a plurality of interior surfaces; a vial for indicating an orientation of the reference surface; and a vial holder for holding the vial in an orientation relative to the flat exterior surface of the frame, the vial holder having a first wall that engages one of the interior surfaces and a second wall that is spaced from and generally faces the one of the interior surfaces, the first wall and the second wall configured to cooperate with the one of the interior surfaces of the frame to define a cavity when the first wall contacts said interior surface; and an adhesive disposed in the cavity to secure the vial holder to the frame, the first wall defining a boundary for the adhesive, and adhesive within the cavity contacting both the one of the interior surfaces and the second wall that is spaced from and generally faces the one of the interior surfaces.