Self-closing fuel tank seal

Details Self-closing fuel tank seal Self-closing fuel tank seal

B - Operations, Transporting

65

D

190/18

B65D 51/16 (2006.01) B60K 15/04 (2006.01) B29C 65/08 (2006.01)

Patent

CA 1327322

Abstract of the Invention Self-closing fuel tank closing device (4) to be mounted on a fuel tank filler pipe (1), with a filler cap (9), which is tensioned in the direction of a sealing seat (8), rotatable in the direction of the interior of the filler pipe and carried by swivel arm (13) supported at one end. To achieve a small construction and degressive torque characteristics on opening the filler cap (9), it is provided that the free end of the swivel arm (13) is supported on a supporting surface (14) running ap- proximately perpendicular to the longitudinal axis of the fuel tank closing device and in that a clamping device (16), which pretensions the filler cap (9) in the direction of the sealing seat (8), is mounted on the swivel arm (13) in the region between the free end and the filler cap (9). (Figure 1)

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