Title:
CYLINDER DEVICE
Document Type and Number:
Japanese Patent JP2021156333
Kind Code:
A
Abstract:
To provide a cylinder device capable of improving strength of a dust cover against input in a direction orthogonal to an axis.SOLUTION: A dust cover that is attached to a rod and covers at least part of a portion of the rod that protrudes from a cylinder, comprises a mounting part 71 that can be attached to the rod, and a cylindrical body part 65 that extends from the mounting part 71 to the cylinder side and covers a side where the cylinder rod protrudes. The body part 65 has a structure part 75 in which a basic shape part 85 having such a shape that bottom side parts 82 of a pair of isosceles triangular plate parts 81 overlap each other and the bottom sides parts 82 are located radially inside the body part 65 with respect to each apex part 84 of the pair of triangular plate parts 81, is formed by overlapping oblique side parts 83 of the triangular plate parts 81 and connecting them over the entire circumference of the body part 65.SELECTED DRAWING: Figure 2
Inventors:
KOMORI EIICHI
Application Number:
JP2020055619A
Publication Date:
October 07, 2021
Filing Date:
March 26, 2020
Export Citation:
Assignee:
HITACHI ASTEMO LTD
International Classes:
F16F9/38; F16J3/04; F16J15/52
Domestic Patent References:
| JP2011064255A | 2011-03-31 | |||
| JPS61286687A | 1986-12-17 | |||
| JP2016188698A | 2016-11-04 | |||
| JPS58109641U | 1983-07-26 | |||
| JP2014145429A | 2014-08-14 |
Attorney, Agent or Firm:
Shiga International Patent Office