Patent ID: 7125084
Filing Date: 2006-10-24
Classification: B60B,F16C

Abstract:
1. An improved hub cap for insertion of pressurized air into a conventional wheel hub rotatably mounted on the end of a vehicle axle, said improved hub cap consisting of: a first seal adapted to encircle said axle and form an air-tight seal with said wheel hub, a housing adapted for attachment to an outer end of said conventional wheel hub, said housing including a second seal, said first seal and said second seal providing an air-tight sealing arrangement forming a closed air space in the interior of the wheel hub, said housing including a valve for insertion of pressurized air into said closed air space, whereby a constant air pressurization is maintained in said closed air space, and a pressure gauge to provide a visual indication of the pressurized air whereby a breached seal condition within the wheel hub can be detected.