H - Electricity – 01 – R
Patent
H - Electricity
01
R
H01R 39/28 (2006.01) B60R 16/02 (2006.01) H01R 39/64 (2006.01)
Patent
CA 2176049
A rotary connector (10) employing rolling conductive members (18). Two or more electrically isolated assemblies (15) comprising pairs of printed wiring boards (16a, 16b) or flexprint circuits (16a, 16b) are disposed in a housing (11). The printed wiring boards (16a, 16b) have conductors disposed on adjacent surfaces. The conductors are electrically connected using the rolling conductive members ( 18). An insulating spacer (21) is disposed between the metallic conductors of each of the printed wiring boards (16a, 16b) that hold them in place. The assemblies (15) are disposed adjacent each other, and a shaft (13) is secured to selected printed wiring boards (16a). The shaft (13) is rotatably secured to the housing (11) using a rotary bearing (14), and the other printed wiring boards (16b) are secured to the housing (11). The printed wiring boards (16a, 16b) have electrical wires (31)soldered thereto that permits the flow of electrical signals through the rotary connector (10), and which may be routed to electrical connectors (32) or sensors (32). A retainer (25) secures the assemblies (15) together to maintain pressure between the metallic conductors and the rolling conductive members (18). Thus, the shaft (13) is secured to one set of printed wiring boards (16a) and is rotatable relative to the housing (11) due to the bearing (14). The other printed wiring boards (16b) are fixed relative to the housing (11). The rotation of the shaft (13) therefore causes rotation of the one set of printed wiring boards (16a) relative to the other set of boards (16b), while electrical conduction is maintained between the conductors by means of the plurality of rolling conductive members (18).
He Holdings Inc. D/b/a Hughes Electronics
Raytheon Company
Sim & Mcburney
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