Title:
BELLOWS MOUNTING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/120601
Kind Code:
A1
Abstract:
In a bellows mounting structure according to the present invention, a tubular bellows is mounted to a fixing member. The bellows comprises straight tube portions provided at both end portions, a bellows portion provided between the straight tube portions and formed by repeating a recessed and protruding shape, and a coupling portion continuously extending to the straight tube portions and the bellows portion. The bellows portion is formed by repeating a set of protrusion shape formed from a trough portion formed through bending, a crest portion formed through bending in a manner reverse to that of the trough portion, and flank portions extending from the crest portion through bending in the same manner as that of the crest portion, and a flank portion continuously extending to the coupling portion from among a plurality of flank portions abuts against the fixing member. A space is formed between the fixing member and the coupling portion, and a viscoelastic ring is provided to each trough portion.
Inventors:
SHIMBORI TAKEYOSHI (JP)
NAKAYAMA SOICHI (JP)
NAKAYAMA SOICHI (JP)
Application Number:
PCT/JP2022/047203
Publication Date:
June 29, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16J3/04; F16F15/08; F16J15/52
Foreign References:
| JP2011179578A | 2011-09-15 | |||
| JPS4841949U | 1973-05-29 | |||
| JP2010281443A | 2010-12-16 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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