Title:
COUPLING STRUCTURE, AIRBAG DEVICE, AND VEHICLE SEAT
Document Type and Number:
WIPO Patent Application WO/2021/166564
Kind Code:
A1
Abstract:
A coupling structure (40) includes a first coupling part (11) formed by one end of a first pipe including an opening, and a second coupling part (21) formed by one end of a second pipe including an opening. The first coupling part is inserted into the second coupling part from the opening of the second pipe. The first coupling part and the second coupling part are coupled such that the second pipe is rotatable with respect to the first pipe at an angle within a predetermined range. The coupling structure (40) is configured such that, in a first state in which no fluid is flowing through a flow path, a gap is formed between an outer surface of the first coupling part and an inner surface of the second coupling part, and, in a second state in which fluid is flowing through the flow path, the first coupling part is deformed to expand to the outside of the flow path by the pressure of the fluid so that the gap becomes smaller than in the first state.
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Inventors:
FUKUMOTO KENJI (JP)
HASHIZUME TOMOKI (JP)
YAMAZAKI MASAYUKI (JP)
HASHIZUME TOMOKI (JP)
YAMAZAKI MASAYUKI (JP)
Application Number:
PCT/JP2021/002559
Publication Date:
August 26, 2021
Filing Date:
January 26, 2021
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
B60R21/207; B60N2/22; B60N2/42; B60R21/261; F16L27/08
Foreign References:
| JPH07332558A | 1995-12-22 | |||
| JPH0654988U | 1994-07-26 | |||
| JPH06147377A | 1994-05-27 | |||
| US6158781A | 2000-12-12 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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