Method of assembling a slip ring with an integral bearing

Details Method of assembling a slip ring with an integral bearing Method of assembling a slip ring with an integral bearing

1998-07-31

2000-04-18

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29825, 310232, H01R 4306

Patent

active

060499672

ABSTRACT:
These and other objects of the present invention are achieved by inserting electrically conductive rings and a bearing into a mold before a slip ring body is injection molded. During the injection molding process, the rings and the bearing are partially encapsulated by the injected plastic and retained. Plastic is prevented from entering the race of the bearing by using a pair of additional plastic inserts which prevent plastic from entering the bearing race. When the injected plastic cools, the plastic shrinks and compresses the bearing thereby preventing axial movement. Wires attached to the rings are also encapsulated by the plastic material during the injection molding process.

REFERENCES:
patent: 2322011 (1943-06-01), French
patent: 2551030 (1951-05-01), Madden
patent: 2786985 (1957-03-01), Meretey
patent: 3289140 (1966-11-01), Slack
patent: 4684179 (1987-08-01), Freeman

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