Title:
SHOCK ABSORBER, AND SUSPENSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/188284
Kind Code:
A1
Abstract:
A hydraulic shock absorber 2 comprises: a first piston part that demarcates the inside of an internal cylinder 12, which is sealed with an oil seal and stores an oil, into a first chamber and a second chamber; and a second piston part 100 that is installed in the second chamber, demarcates the second chamber into a third chamber Y3 on the oil seal side and a fourth chamber Y4 on the first piston part side, and has a flow path allowing a fluid in the third chamber Y3 to flow into the fourth chamber Y4 when the pressure in the third chamber Y3 is greater than or equal to a predetermined pressure.
More Like This:
| JP2005104431 | SHOCK ABSORBER |
| JP6069527 | Vibration damping equipment for the bodies |
| JPS60165288 | [Title of the device] Front fork |
Inventors:
MAEDA KAZUNARI (JP)
Application Number:
PCT/JP2022/016556
Publication Date:
October 05, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16F9/32
Domestic Patent References:
| WO2015104929A1 | 2015-07-16 | |||
| WO2016067724A1 | 2016-05-06 |
Foreign References:
| JP2007071367A | 2007-03-22 | |||
| JPH02168038A | 1990-06-28 | |||
| JP2016183700A | 2016-10-20 | |||
| DE102019206510A1 | 2020-11-12 |
Attorney, Agent or Firm:
OGATA, Fumio (JP)
Download PDF: