Patent ID: 7881569
Filing Date: 2011-02-01
Classification: G02B

Abstract:
1. A two-channel fiber optic rotary joint for optic signal transmissions comprising: a pair of relatively rotatable fiber holders with a common rotary axis, and wherein each one of said fiber holders further comprising a central hole and two coupling holes; a pair of bearings to enable the said fiber holders rotate relatively; a first “Y” shaped plastic optical fiber bundle assemblies with the bottom side of “Y” shape being secured in the central hole of one of said rotatable fiber holders, while the top side of “Y” shape being secured in the two coupling holes of said one of the rotatable fiber holder respectively; and a second “Y” shaped plastic optical fiber bundle assemblies with the bottom side of “Y” shape being secured in the central hole of another said rotatable fiber holders, while the top side of “Y” shape being secured in the two coupling holes of said another rotatable fiber holder respectively.