Patent ID: 7096899
Filing Date: 2006-08-29
Classification: B60K

Abstract:
1. An automatic tank closure for a motor vehicle tank, comprising: a housing having therethrough an input opening, the input opening normally closed by a closure flap held in a closed position by spring force, whereby in a closed space defined between the closure flap and the housing a sealing ring is inserted; a conical sealing seat interposed between the housing and the closure flap, the sealing seat widening toward a tank interior, the sealing seat configured to coact with the sealing ring and possessing a sealing surface wherein the sealing ring has at least one lip-seal which coacts with the sealing surface; wherein the closure flap is pivotable on the housing configured with a predetermined tolerance such that a self-acting centering of the closure flap in regard to the sealing seat is enabled and wherein the closure flap defines at least one pivotal eye and further comprising a pivotal axle, the pivotal eye being penetrated by the pivotal axle, a diameter of the pivotal axle being smaller than an open width of the pivotal eye, whereby the closure flap is movable in a direction at right angles to the pivotal eye and lies in a radial plane.