H - Electricity – 01 – R
Patent
H - Electricity
01
R
339/3
H01R 39/62 (2006.01) H01R 39/00 (2006.01)
Patent
CA 1128155
ROTARY ELECTRICAL JUNCTION ASSEMBLY Abstract A rotary electrical junction assembly includes a rotor and a stator which are each separable into halves to facilitate installation and maintenance thereof. In a preferred embodiment, the rotor includes a plurality of brushes, and the stator includes a plurality of split slip rings engaged by the brushes. The slip ring halves are interconnected with corresponding ring halves and are positioned on individual non-conductive backing members which are stacked together to form slip ring stack halves. The slip ring stack halves are mounted on the stator halves which are clamped onto a stationary support member. The backing members are semi-circular, and each includes a circumferential wall to separate and insulate each slip ring from an adjacent slip ring. Each insulator wall has opposite ends which extend past an associated ring half and overlap the ends of a corresponding wall in the opposite stack half to provide continuous insulation between the slip rings. The brushes are mounted on brush racks which have rollers that engage tracks on the stator. A split outer housing provides protective cover for the rotor and stator and recesses receiving the brush racks. The housing is clamped onto a rotary support member rotatably engaged with the stationary support member whereby the brush racks revolve about the stator upon rotation of the rotor support member, thereby providing continuous conductive contact between the brushes and slip rings. In another embodiment, the stator includes a plurality of brushes and the rotor includes a plurality of split slip rings whereby the rings revolve around the brushes and provide continuous conductive contact.
359003
Fetherstonhaugh & Co.
Wilson Jack A.
LandOfFree
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