Fuel tank cap

Details Fuel tank cap Fuel tank cap

1987-10-21

1988-09-06

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

220304, 220DIG33, B65D 4104

Patent

active

047686774

ABSTRACT:
The invention relates to a fuel tank cap comprising a body, the upper portion of which is provided with a hole. Said hole exhibits a plurality of concave or convex sections which are formed along the inner periphery of the hole. A cover comprises a sleeve, which is formed on the inner periphery of the cover for insertion into the hole of the body, and has a plurality of axial slits. The sleeve is provided with a plurality of convex or concave sections formed along its outer periphery so as to mate with the concave or convex sections of the hole, respectively. When a clamping torque applied on the cap exceeds a predetermined value, an idle-rotation mechanism is established between the sleeve and the hole. The fuel tank cap and, more particularly, such a type of cap can effectively prevent the leakage of fuel in a vehicle fuel tank when the vehicle collides with another vehicle or object.

REFERENCES:
patent: 4228915 (1980-10-01), Hooper et al.
patent: 4494673 (1985-01-01), Hirashi
patent: 4579247 (1986-04-01), Hasui et al.
patent: 4678097 (1987-07-01), Crute

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