Invention Grant
- Patent Title: Plate spring member
-
Application No.: US17041011Application Date: 2019-03-28
-
Publication No.: US11719299B2Publication Date: 2023-08-08
- Inventor: Yusuke Terada
- Applicant: NHK SPRING Co., Ltd.
- Applicant Address: JP Yokohama
- Assignee: NHK SPRING CO., LTD.
- Current Assignee: NHK SPRING CO., LTD.
- Current Assignee Address: JP Yokohama
- Agency: Cantor Colburn LLP
- Priority: JP 18061191 2018.03.28
- International Application: PCT/JP2019/013768 2019.03.28
- International Announcement: WO2019/189644A 2019.10.03
- Date entered country: 2020-09-24
- Main IPC: F16F1/32
- IPC: F16F1/32
Abstract:
A plate spring member having a compressive residual stress distribution in which a compressive residual stress of at least part of a portion having a depth from a surface within 50 μm is 500 MPa or more, and the compressive residual stress of a portion having a depth from the surface exceeding 50 μm is less than 500 MPa.
Public/Granted literature
- US20210115993A1 PLATE SPRING MEMBER Public/Granted day:2021-04-22
Information query
