公开(公告)号：US20190003507A1

公开(公告)日：2019-01-03

申请号：US15752401

申请日：2016-08-26

Applicant: NHK Spring Co., Ltd.

Inventor： Toshio Kazama ,  Noriyoshi Kaneda ,  Shun Hirai

IPC: F16B19/06 ,  C22C21/16 ,  F16B33/06 ,  F16B37/00 ,  C22C21/10 ,  F16B35/04

Abstract: A fastening member includes: a first alloy section made of aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less, and provided at a portion being in contact with at least one of the plurality of members; and a second alloy section made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and containing copper in an amount of greater than 1.0 wt % and 8.0 wt % or less, and bonded to the first alloy section.

公开(公告)号：US10411386B2

公开(公告)日：2019-09-10

申请号：US15501592

申请日：2015-08-07

Applicant: NHK Spring Co., Ltd.

Inventor： Toshio Kazama ,  Kazuya Souma

IPC: H01R13/24 ,  G01R1/067 ,  G01R1/04

Abstract: A conductive connection terminal is extensible and compressible in a longitudinal direction, and includes: a first contact member including a first tip portion configured to contact with one electrode of a contact target, and a first base end portion; a second contact member including a second tip portion configured to contact with another electrode of the contact target, and a plurality of tongue parts configured to contact with the first base end portion; an elastic member configured to extend and compress the first contact member and the second contact member in the longitudinal direction; and a load applying unit configured to apply a load to the tongue parts in a direction bringing the tongue parts into contact with an outer circumference of the first base end portion.

公开(公告)号：US10294977B2

公开(公告)日：2019-05-21

申请号：US15126698

申请日：2015-03-20

Applicant: NHK Spring Co., Ltd. ,  TOPURA CO., LTD.

Inventor： Toshio Kazama ,  Takeshi Suzuki ,  Shigeto Mori

IPC: F16B35/04 ,  F16B33/00 ,  F16B33/06 ,  C22C21/06 ,  C22C21/10 ,  B32B15/01

Abstract: A fastening member includes a first alloy portion and a second alloy portion. The first alloy portion is made of an aluminum alloy including 0.005 wt % to 5.0 wt % zinc and 0.6 wt % to 2.0 wt % magnesium and is provided to a part that comes into contact with at least one of a plurality of members serving as a fastening target. The second alloy portion is made of an aluminum alloy including more than 2.0 wt % and 5.0 wt % or less magnesium and more than 5.0 wt % and 10 wt % or less zinc and is joined to the first alloy portion.

公开(公告)号：US20170089384A1

公开(公告)日：2017-03-30

申请号：US15126698

申请日：2015-03-20

Applicant: NHK Spring Co., Ltd. ,  TOPURA CO., LTD.

Inventor： Toshio Kazama ,  Takeshi Suzuki ,  Shigeto Mori

IPC: F16B33/00 ,  C22C21/06 ,  C22C21/10

CPC classification number: F16B33/00 ,  B32B15/016 ,  C22C21/06 ,  C22C21/10 ,  F16B33/06

Abstract: A fastening member includes a first alloy portion and a second alloy portion. The first alloy portion is made of an aluminum alloy including 0.005 wt % to 5.0 wt % zinc and 0.6 wt % to 2.0 wt % magnesium and is provided to a part that comes into contact with at least one of a plurality of members serving as a fastening target. The second alloy portion is made of an aluminum alloy including more than 2.0 wt % and 5.0 wt % or less magnesium and more than 5.0 wt % and 10 wt % or less zinc and is joined to the first alloy portion.

公开(公告)号：US11028893B2

公开(公告)日：2021-06-08

申请号：US16779799

申请日：2020-02-03

Applicant: NHK Spring Co., Ltd.

Inventor： Toshio Kazama ,  Noritoshi Takamura ,  Shigeki Ishikawa ,  Takeshi Suzuki

IPC: F16F1/02 ,  F16F1/14 ,  C22C21/10 ,  B60G11/14 ,  C22C21/06 ,  B60G21/055 ,  B60G11/18 ,  C22C21/00 ,  F16F1/06 ,  C22C1/04

Abstract: An elastic member is an elastic member formed of a wire having a cross section that is substantially circular, the cross section being orthogonal to a longitudinal direction, and the elastic member being expandable and contractible in a predetermined direction; and including: a first alloy portion that is made of an aluminum alloy having a tensile strength larger than 950 MPa and equal to or less than 1100 MPa at room temperature; and a second alloy portion configured to cover the first alloy portion, the second alloy portion having a thickness in a radial direction smaller than a radius of the first alloy portion, and being made of an aluminum alloy having a tensile strength of 100 MPa to 650 MPa at room temperature.

公开(公告)号：US10889878B2

公开(公告)日：2021-01-12

申请号：US15562580

申请日：2016-03-31

Applicant: NHK Spring Co., Ltd. ,  YAMAKIN CO., LTD. ,  Shinko Metal Products Co., Ltd.

Inventor： Toshio Kazama ,  Yoshihisa Tani ,  Satoshi Shoji ,  Teruo Anraku ,  Masayuki Ainoya ,  Tomohiro Kubota ,  Kotaro Toyotake ,  Hitoshi Abe

IPC: C22C30/02 ,  C22C5/04 ,  C22F1/14 ,  H01R13/03 ,  C22F1/00 ,  G01R1/067 ,  H01B1/02 ,  H01R12/70 ,  H01R13/24

Abstract: An alloy material includes: a composition, in a composition range of a ternary alloy of silver (Ag), palladium (Pd), and copper (Cu), the composition containing 20 to 30 wt % of Ag, 35 to 55 wt % of Pd, and 20 to 40 wt % of Cu. The composition as a base is added with tin (Sn) in a range of 0.5 to 2.5 wt %, further added with any one of or a combination of cobalt (Co), chromium (Cr), and zinc (Zn) in a range of 0.1 to 1.0 wt %, and added with 0.01 to 0.1 wt % of either one of or a combination of iridium (Ir) and ruthenium (Ru).

公开(公告)号：US10767678B2

公开(公告)日：2020-09-08

申请号：US15752401

申请日：2016-08-26

Applicant: NHK Spring Co., Ltd.

Inventor： Toshio Kazama ,  Noriyoshi Kaneda ,  Shun Hirai

IPC: F16B33/06 ,  F16B19/06 ,  F16B37/00 ,  F16B35/04 ,  C22C21/10 ,  C22C21/16 ,  F16B33/02 ,  F16B37/14

Abstract: A fastening member includes: a first alloy section made of aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less, and provided at a portion being in contact with at least one of the plurality of members; and a second alloy section made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and containing copper in an amount of greater than 1.0 wt % and 8.0 wt % or less, and bonded to the first alloy section.

公开(公告)号：US20200173510A1

公开(公告)日：2020-06-04

申请号：US16779799

申请日：2020-02-03

Applicant: NHK Spring Co., Ltd.

Inventor： Toshio Kazama ,  Noritoshi Takamura ,  Shigeki Ishikawa ,  Takeshi Suzuki

IPC: F16F1/02 ,  B60G11/18 ,  B60G21/055 ,  C22C21/06 ,  B60G11/14 ,  C22C21/10 ,  C22C21/00 ,  F16F1/14

Abstract: An elastic member is an elastic member formed of a wire having a cross section that is substantially circular, the cross section being orthogonal to a longitudinal direction, and the elastic member being expandable and contractible in a predetermined direction; and including: a first alloy portion that is made of an aluminum alloy having a tensile strength larger than 950 MPa and equal to or less than 1100 MPa at room temperature; and a second alloy portion configured to cover the first alloy portion, the second alloy portion having a thickness in a radial direction smaller than a radius of the first alloy portion, and being made of an aluminum alloy having a tensile strength of 100 MPa to 650 MPa at room temperature.

公开(公告)号：US10591011B2

公开(公告)日：2020-03-17

申请号：US15740634

申请日：2016-06-28

Applicant: NHK SPRING CO., LTD.

Inventor： Toshio Kazama ,  Noritoshi Takamura ,  Shigeki Ishikawa ,  Takeshi Suzuki

IPC: F16F1/02 ,  F16F1/14 ,  C22C21/10 ,  B60G11/14 ,  C22C21/06 ,  B60G21/055 ,  B60G11/18 ,  C22C21/00 ,  F16F1/06 ,  C22C1/04

Abstract: An elastic member is an elastic member formed of a wire having a cross section that is substantially circular, the cross section being orthogonal to a longitudinal direction, and the elastic member being expandable and contractible in a predetermined direction; and including: a first alloy portion that is made of an aluminum alloy having a tensile strength larger than 950 MPa and equal to or less than 1100 MPa at room temperature; and a second alloy portion configured to cover the first alloy portion, the second alloy portion having a thickness in a radial direction smaller than a radius of the first alloy portion, and being made of an aluminum alloy having a tensile strength of 100 MPa to 650 MPa at room temperature.

公开(公告)号：US20180180126A1

公开(公告)日：2018-06-28

申请号：US15740634

申请日：2016-06-28

Applicant: NHK SPRING CO., LTD.

Inventor： Toshio Kazama ,  Noritoshi Takamura ,  Shigeki Ishikawa ,  Takeshi Suzuki

IPC: F16F1/02 ,  F16F1/06 ,  F16F1/14 ,  C22C21/00 ,  B60G21/055

Abstract: An elastic member is an elastic member formed of a wire having a cross section that is substantially circular, the cross section being orthogonal to a longitudinal direction, and the elastic member being expandable and contractible in a predetermined direction; and including: a first alloy portion that is made of an aluminum alloy having a tensile strength larger than 950 MPa and equal to or less than 1100 MPa at room temperature; and a second alloy portion configured to cover the first alloy portion, the second alloy portion having a thickness in a radial direction smaller than a radius of the first alloy portion, and being made of an aluminum alloy having a tensile strength of 100 MPa to 650 MPa at room temperature.