Importance

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Abstract

A method for making a slip ring assembly contemplates welding to one face of each of a plurality of varying diameter concentric conducting rings a plurality of electrically conducting studs, positioning a plurality of the rings within grooves inscribed in a first mold section in an accurately spaced concentric arrangement with respect to each other, surrounding the rings radially interiorly thereof with one or more pre-cut insulating plies, placing insulating material in the spaces between the concentrically spaced rings and radially outwardly thereof, positioning a plurality of pre-cut insulating plies axially of the rings and insulating material aligned to permit passage of the studs through pre-cut holes in the plies, closing a second mold section on the first mold section, and heating the assembly under pressure in the mold sections until the assembly is cured. The manufactured slip ring assembly (10) has a plurality of concentric spaced conducting rings (16, 17, 18), one face (19, 20, 21) of each of the rings being exposed for engagement by brushes with the other face having a plurality of electrically conducting projecting studs (31) attached thereto, an insulating material (25) isolates each of the rings and encompasses a portion of the studs, and a recess (33) on the studs within the insulating material to provide a mechanical interlock of the studs relative to the insulating material and the rings.

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First Claim