Press plug support for tire inflation system
AssigneeEqualaire Systems, Inc.
InventorsJohn Allen Bradley, Mark Kevin Hennig
Life of this patent
Estimating the term…
Abstract
A press plug for use in an inflation system for supplying air to the rotating tires on a vehicle. The press plug provides the function of sealing pressure in an axle and providing support by rotary air connection by engaging the inside of the axle and being held in place by an interference fit. The press plug includes a tapered flange for providing both a seal and retaining feature for holding the press plug in position.
Claims8
In an air inflation system for a vehicle having at least one axle with at least one wheel having a pneumatic tire at each end of the axle and said vehicle having an air supply supplying air to the inside of the axle and a rotary air connection in communication with the air in the axle and said pneumatic tires, the improvement in a plug supporting the rotary air connection comprising:
- a press plug sealingly engaging the inside of the axle and held in place by an interference fit,
- said plug including a circular body having an axial opening therethrough for engaging and supporting the rotary air connection,
- a tubular flange connected to one side of the body and extending away from the body in a generally axial direction, said flange tapering smaller in cross section in a direction away from the body, and
- said flange tapering outwardly away from the axis in a direction away from the body.
Dependencies are inferred from the claim text.