Patent ID: 6938658
Filing Date: 2005-09-06
Classification: B60C,Y10T

Abstract:
1. A spindle plug assembly adapted to be mounted in an axle spindle for communicating a source of pressurized air through the axle with a rotary union assembly in a tire inflation system, said spindle plug assembly comprising: an arbor defining an upstream end portion, a downstream end portion, an air flow channel extending axially therethrough, an outwardly projecting radial flange intermediary of said end portions and an axially extending inclined portion proximate said flange; a sealing member carried by said radial flange for engaging an axle spindle and forming an airtight seal therebetween; a split ring locking assembly disposed about said inclined portion of said arbor, said locking assembly comprising of a plurality of arcuate segments and an expansible retention member urging said segments into adjacent juxtaposition, said segments moving radially outwardly against said retention member upon said locking assembly being axially moved along said inclined portion of said arbor toward said flange, whereby said segments engage the axle spindle and secure said spindle plug assembly in place within said spindle; and a fastening member threadably engaging said arbor adjacent said split ring assembly and moving said split ring assembly along said inclined portion of said arbor upon said fastening member being tightened about said arbor.