Title:
BUFFER, ROD-SHAPED MEMBER AND MANUFACTURING METHOD OF ROD-SHAPED MEMBER
Document Type and Number:
Japanese Patent JP2023054956
Kind Code:
A
Abstract:
To provide a buffer which can suppress a manufacturing cost, a rod-shaped member and a manufacturing method of the rod-shaped member.SOLUTION: A buffer comprises: a cylinder 2; a bulkhead member 18 inserted into the cylinder 2, and defining the inside of the cylinder 2; a rod-shaped insertion part 28 inserted into the bulkhead member 18; a screw part 31 arranged at the insertion part 28; a rod-shaped member 21 arranged at least at a part of the insertion part 28 at the outside in a radial direction, and having a groove part 30 in which an axial end part extends up to an incomplete screw part 201 of the screw part 31; and a nut 195 screwed to the screw part 31, and suppressing the movement of the bulkhead member 18 to the rod-shaped member 21 in an axial direction.SELECTED DRAWING: Figure 2
Inventors:
SAITO HIDEAKI
OMIYA TOMONORI
SANO MASAHIRO
MIURA KEN
KATAHIRA MASAYUKI
OMIYA TOMONORI
SANO MASAHIRO
MIURA KEN
KATAHIRA MASAYUKI
Application Number:
JP2021163998A
Publication Date:
April 17, 2023
Filing Date:
October 05, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD
International Classes:
F16F9/32; F16F9/10
Attorney, Agent or Firm:
Patent Attorney Shiga International Patent Office