Patent ID: 6748665
Filing Date: 2004-06-15
Classification: G01C

Abstract:
A spirit level comprising:an elongated main frame having a center cavity and a forward and a rear portion wherein said forward portion contains an aperture into which a bubble vial is positioned; first and second arms having opposing ends said arms having one end connected to said main frame at the juncture created where said forward and said rear portions connect, and said opposing end of said arms projecting in opposite directions therefrom at 90 degree angles; said opposing end of said first and second arms each having an aperture into which a bubble vial is positioned; said bubble vials are enclosed by a transparent, waterproof, impact resistant material; said rear portion of said main frame containing a battery connected by conductor wires to an illuminating means; a plurality of adjusting means attached to the bottom ends of said main frame and said first and second arms; and securing means for attaching the level to the dashboard of an aircraft.