Patent ID: 7306017

Claim:
A capless filler assembly for a fuel tank comprising: a bulkhead with a nozzle guiding aperture therein; a valve seating surface disposed on a downstream side of said bulkhead; a valve member disposed adjacent said seating surface for movement with respect thereto upon insertion of a nozzle through said aperture, the valve member having an annular flexible seal, the annular flexible seal having a peripheral bead that is secured by one of the bulkhead and the valve member and a web portion that is thinner than the peripheral bead and that has a wiper surface that deflects relative to the peripheral bead in a wiping motion when the web portion contacts the seating surface upon removal of the nozzle from the aperture; and, a resilient member that biases said valve member in a direction for effecting said wiping motion and for effecting compression of said seal on said seating surface.