Patent ID: 8136261
Filing Date: 2012-03-20
Classification: A43C,G01F

Abstract:
1. An instant reading automotive oil dipstick assembly having a slide-actuated air valve which vents or seals a translucent fluoroplastic tubing that is located within a machined brass cone that adapts to the engine's metal dipstick tubing size, and seals in the engine vacuum airtight, facilitated by having a short, cylindrical plastic tubing section of a soft formulation receive one end of a looped wire handle, and by being compressed against the fluoroplastic tubing wall, forms a dependable air seal, as well as stops the flow of cyanoacrylate gel glue that would have tended to flow too freely down into the fluoroplastic tubing, with such assembly allowing the easy reading of the oil level by automatically extracting a representative slug of oil when the dipstick is lifted out.