Single layer, multi-channel band-gear system for rotary joint

Details Single layer, multi-channel band-gear system for rotary joint Single layer, multi-channel band-gear system for rotary joint

1997-02-10

1998-11-03

Nguyen, Khiem

Electrical connectors

Interrelated connectors relatively movable during use

Movement about axis

439 19, H01R 3900

Patent

active

058299866

ABSTRACT:
A multi-channel band-gear system for a rotary joint has a ring gear assembly with a conducting ring band in electrical contact with corresponding conducting bands of a set of intermediary planetary gears, which in turn are in electrical contact with a conducting sun band of a sun gear assembly. The ring band is formed with a plurality of conducting segments which are electrically insulated from each other and positioned angularly in a circumferential direction of the ring gear, such that separate electrical power/signal channels are formed across the rotary joint. In a preferred embodiment having continuously connected channels, the ring band has four conducting segments at 90.degree. intervals, the sun band has two conducting segments at 180.degree. intervals, and three planetary bands are in rolling electrical contact at 120.degree. intervals between the ring band segments and the sun band segments, forming two continuously connected channels in a single layer of the band-gear system. Multiple sets of ring gear, planetary gear, and sun gear assemblies may be used in a stacked configuration in a single axial layer to further increase the number of channels provided through the band-gear system.

REFERENCES:
patent: 3489982 (1970-01-01), Dauphinee
patent: 5501604 (1996-03-01), Roopnarine et al.

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