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Title:
REVOLVING JOINT
Document Type and Number:
Japanese Patent JPH11101376
Kind Code:
A
Abstract:

To reduce the thickness of a liquid pipe by reducing an outer diameter of a liquid passage of high-pressure liquid, by mounting the liquid passage of high-pressure liquid inside a liquid passage of a low-pressure liquid.

A fixed oil passage inner cylinder 28 is penetrated through a center of a fixed water pipe 21 and a revolving water pipe 22 through which the water can be made to flow between a car body side and a turn table, regardless of the revolving of the turn table. Whereby the oil can be made to flow between the car body side and the turn table regardless of the revolving of the turn table, by fitting and connecting a revolving oil passage outer cylinder 30 to a fixed oil, passage inner cylinder 28 in the airtight condition, and plural high-pressure oil passages can be mounted inside a low-pressure single water passage. Whereby an outer diameter of plural high-pressure oil passages can be reduced, the condition on strength, of the oil pipe, that is, the fixed oil passage inner cylinder 28, is relieved, and the thickness thereof can be reduced.


Inventors:
AOYANAGI JIRO
Application Number:
JP1997000263940
Publication Date:
April 13, 1999
Filing Date:
September 29, 1997
Export Citation:
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Assignee:
MORITA J CORP
International Classes:
A62C99/00; F16L27/093; F16L39/04; (IPC1-7): F16L27/093; A62C39/00; F16L39/04
Attorney, Agent or Firm:
江原 省吾 (外3名)



 
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