Title:
緩衝器
Document Type and Number:
Japanese Patent JP7103723
Kind Code:
B2
Abstract:
To provide a buffer capable of suppressing variation of attenuation force.SOLUTION: A piston 17 has: a piston body 61 that is connected to a piston rod and has a concave part 70 formed on an outer peripheral part; a piston band 62 that has a convex part 81 fitted into the concave part 70 on an inner peripheral part, is mounted on the outer peripheral part of the piston body 61 and seals between itself and the inner peripheral part of the cylinder; and a communication passage 95 that communicates an opposite part 90 between the concave part 70 and the convex part 81 to the outside of the piston 17.SELECTED DRAWING: Figure 2
Inventors:
Satoshi Shimazaki
Application Number:
JP2018199127A
Publication Date:
July 20, 2022
Filing Date:
October 23, 2018
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
F16F9/32
Domestic Patent References:
| JP62200045A | ||||
| JP63128342U | ||||
| JP62174163U |
Attorney, Agent or Firm:
Patent Attorney Shiga International Patent Office
Previous Patent: Shock absorber
Next Patent: APPARATUS FOR MEASURING FILM THICKNESS AND APPARATUS FOR FORMING FILM IN VACUUM
Next Patent: APPARATUS FOR MEASURING FILM THICKNESS AND APPARATUS FOR FORMING FILM IN VACUUM