Title:
BOOT
Document Type and Number:
Japanese Patent JP2019127953
Kind Code:
A
Abstract:
To provide a boot which dispenses with a working process for inner pressure adjustment after attaching a boot main body, and can improve sealing performance.SOLUTION: A fixed part 112 comprises a cylindrical part 112a in which a band is attached to its external peripheral face side, and a bent part 112b which extends toward a sealed space (B) side sealed by a boot from a tip of the cylindrical part 112a, also extends toward the sealed space (B) side so as to be contracted in a diameter, and is constituted so that its tip contacts with a shaft member 300 in a state that the band is not attached, and in a state that the band is attached, an annular internal peripheral face 112b1 tightly adheres to the external peripheral face of the shaft member 300. A groove 112c for making the sealed space (B) side and an atmosphere side (A) communicate with each other in a state that the band is not attached is formed at a tip side of the bent part 112b.SELECTED DRAWING: Figure 2
Inventors:
YAMAGUCHI YOSHIHISA
Application Number:
JP2018008029A
Publication Date:
August 01, 2019
Filing Date:
January 22, 2018
Export Citation:
Assignee:
NOK CORP
International Classes:
F16D3/84; F16J3/04; F16J15/52
Attorney, Agent or Firm:
Takeshi Nakamura
Koichiro Sakai
Koichiro Sakai