Patent ID: 8474920
Filing Date: 2013-07-02
Classification: B60B,F16C

Abstract:
1. A protective cap for protecting a bearing that mounts a wheel hub for rotation in a housing and for protecting a speed sensor system having a segmented disc fixed to the hub and rotating therewith and a sensor mounted on the housing and extending into proximity with the segmented disc, said protective cap comprising: a stem for insertion through a central bore of the hub; a disc-shaped head mounted on the stem and having an under face for engaging with an inner end face of the hub; and a distal rim portion extending into overlapping proximity with the housing to allow rotation of the distal rim portion relative the housing and yet prevent entry of dirt to the speed sensor system and bearing; said stem having yieldable retainers thereon for engaging with the outer end face of the hub upon insertion of the stem through the central bore and engagement of the under face with the inner end face of the hub so that the distal rim portion is maintained in the overlapping proximity with the housing to prevent the intrusion of dirt to the speed sensor system and bearing.