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Patent Searching and Data


Title:
ROTARY JOINT
Document Type and Number:
Japanese Patent JP2019084668
Kind Code:
A
Abstract:
To provide a rotary joint that is small-sized and has low sliding resistance and that allows electric power and electric signals to be transmitted between units with high reliability and can be used in common even if fluid and electric power to be used and the number of electric signals vary.SOLUTION: In a rotary joint constituted of a stationary-side unit, a non-contact unit A, a rotation-side unit and a non-contact unit B, one piping is provided in the stationary-side unit and the rotation-side unit, which are rotatably communicated with each other. Electric power and electric signals are transmitted between the non-contact unit A and the non-contact unit B by electromagnetic induction action, with the non-contact unit A and the non-contact unit B opposing to each other. The stationary-side unit is provided with a wiring saving system, and the rotation-side unit is provided with a wiring saving system and a valve.SELECTED DRAWING: Figure 2

Inventors:
HIRAI ATSUYUKI
FUJIEDA SHUNJI
Application Number:
JP2017222270A
Publication Date:
June 06, 2019
Filing Date:
November 01, 2017
Export Citation:
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Assignee:
KONDO MACHINE WORKS
HIRAI ATSUYUKI
International Classes:
B25J19/00; H01R39/00