Patent ID: 7423359
Filing Date: 2008-09-09
Classification: H01R

Abstract:
1. In a slip ring adapted to provide electrical contact between a stator and a rotor, the improvement comprising: a current-carrying conductor mounted on said stator; a brush tube mounted on said conductor; a fiber bundle composed of a number of individual fibers, the upper marginal end portions of said fibers being received in said brush tube, a portion of said brush tube being crimped or swaged to hold the upper marginal end portions of said fibers therein, the lower ends of the fibers in said bundle extending beyond said brush tube and being adapted to engage said rotor; a collimator tube surrounding a portion of said brush tube and extending therebeyond, the lower end of said collimator tube being adapted to limit lateral movement of the lower marginal end portions of said fibers in said bundle when said rotor rotates relative to said stator; and a fluid reservoir mounted on said collimator tube.