公开(公告)号：US11490464B2

公开(公告)日：2022-11-01

申请号：US16598100

申请日：2019-10-10

Applicant: NHK SPRING CO., LTD.

Inventor： Toshihiko Hanamachi ,  Kenji Sekiya ,  Go Takahara ,  Naoya Aikawa ,  Yuta Kisara ,  Arata Tatsumi

IPC: H05B3/18 ,  H05B3/28 ,  H05B3/30 ,  H05B3/48 ,  H01C1/03 ,  H05B3/10 ,  H01L21/67

Abstract: A heather unit including a small diameter sheath heater with improved reliability is provided. The heater unit includes a first substrate having a first joint surface and a second substrate having a second joint surface being joined together, a groove arranged on at least one of the first joint surface or the second joint surface, and a sheath heater arranged inside the groove. The sheath heater includes a metal sheath, a heating wire having a band shape, the heating wire arranged with a space within the metal sheath so as to rotate with respect to an axis direction of the metal sheath, an insulating material arranged in the space, and connection terminals arranged at one end of the metal sheath, the connection terminals electrically connected with both ends of the heating wire respectively.

公开(公告)号：US11460068B2

公开(公告)日：2022-10-04

申请号：US17263262

申请日：2019-05-31

Applicant: NHK SPRING CO., LTD.

Inventor： Shigeru Kuroda

IPC: F16C11/06

Abstract: An axial ball joint is provided with: a ball stud including a stud section and a ball section; a metallic housing which rotatably supports the ball section of the ball stud; and a resin-made ball seat which is provided to be interposed between the ball section and the housing. The housing is formed into a bottomed cylinder shape by pressing. The thickness of a bottom wall and the thickness of a circumferential side wall of the housing are set to be equal to each other. A plurality of bead sections are formed on the inner bottom of the housing by press-molding or forging.

公开(公告)号：US20220306263A1

公开(公告)日：2022-09-29

申请号：US17616316

申请日：2020-06-05

Applicant: NHK SPRING Co., Ltd.

Inventor： Masato SHIRAO ,  Marino AKITA ,  Takafumi OSHIMA

IPC: B63H25/42 ,  B63H21/21

Abstract: A ship propulsion device controller controls a plurality of ship propulsion devices disposed on a rear portion of a hull of a ship. The ship includes an operation unit configured to operate the ship propulsion devices. The operation unit is able to be positioned at a first position where the ship propulsion devices do not generate propulsion forces for the ship and a second position where the ship propulsion devices generate propulsion forces for moving the ship in a right direction, a right-forward direction, or a right-backward direction or a third position where the ship propulsion devices generate a propulsion force for moving the ship in a left direction, a left-forward direction, or a left-backward direction. When the operation unit is moved from the first position to the second position and maintained at the second position, the ship propulsion devices generate a clockwise rotating moment in the ship during a first period from a first timing when the operation unit is moved to the second position to a second timing and do not to generate the clockwise rotating moment in the ship during a second period after the second timing.

公开(公告)号：US20220219745A1

公开(公告)日：2022-07-14

申请号：US17564245

申请日：2021-12-29

Applicant: NHK SPRING CO., LTD.

Inventor： Tsuyoshi AMEMIYA ,  Yuta SOUDA ,  Kouichi SHOGAWA ,  Shimpei KAKIUCHI

IPC: B62B3/04

Abstract: A carrier device includes a coupling mechanism for coupling an automatic controlled vehicle to a carriage. The coupling mechanism includes a first shaft member, a second shaft member and a third shaft member. The coupling mechanism includes a guide rail section, a lock member, and an actuator that moves the lock member. The guide rail section is provided on the automatic controlled vehicle. When the lock member moves from the first position to the second position, the lock member enters between the first shaft member and the second shaft member. The third shaft member fits with the fitting portion of the lock member.

公开(公告)号：US20220212512A1

公开(公告)日：2022-07-07

申请号：US17610687

申请日：2020-05-25

Applicant: NHK SPRING CO., LTD.

Inventor： Shinji IINO ,  Yusuke TANAKA ,  Yosuke KAWAI

IPC: B60G11/08 ,  B60G11/10

Abstract: The suspension device according to the present invention is provided with a leaf spring extending in a belt shape, a first arm, a second arm, and a coupling member for rotatably coupling the first arm and the second arm, wherein: a first holding part for holding one end of the leaf spring and a second holding part for holding the other end of the leaf spring are provided; and the first and second arms each support the leaf spring by at least one portion that is different from the one end or the other end of the leaf spring.

公开(公告)号：US20220196704A1

公开(公告)日：2022-06-23

申请号：US17547400

申请日：2021-12-10

Applicant: NHK Spring Co., Ltd.

Inventor： Tsuyoshi Inuma ,  Hiroshi Nakayama ,  Shuji Takahashi

IPC: G01R1/067 ,  H01B11/18 ,  G01R1/073

Abstract: A measurement unit includes: a ground portion forming a part of a line configured to provide continuity for grounding electric potential, the ground portion including a surface forming a plane at one end of the ground portion; a signal portion forming a part of a line configured to provide continuity for a signal for measurement, the signal portion including an end portion configured to come out in a plane that is same as the plane of the ground portion; an insulative dielectric portion provided between the ground portion and the signal portion; an electrically conductive first contact probe configured to expand and contract along a longitudinal axis, the first contact probe coming into contact with the signal portion; and an electrically conductive second contact probe configured to expand and contract along a longitudinal axis, the second contact probe coming into contact with the ground portion.

公开(公告)号：US20220193932A1

公开(公告)日：2022-06-23

申请号：US17601425

申请日：2020-04-10

Applicant: NHK SPRING CO., LTD.

Inventor： Motoyuki OTSUKA ,  Takafumi HIRATA ,  Shimpei KUROKAWA ,  Soichi NAKAYAMA ,  Masahiro INABA

IPC: B25J18/06 ,  A61B17/29 ,  F16F1/32

Abstract: Provided is a flexible member that can exhibit excellent load resistance and flexibility while achieving a reduction in size. This flexible member includes: a main body part which has multiple wave washers stacked in an axial direction and joined to each other, and the main body part is able to be bent with respect to the axial direction due to elastic deformation of the wave washers; and a linking member that is elastically deformable, the linking member being provided at an end part of the main body part and being linked to other member. A deformation amount of the linking member is smaller than a deformation amount of the wave washer, when the main body part is bent.

公开(公告)号：US20220178415A1

公开(公告)日：2022-06-09

申请号：US17113438

申请日：2020-12-07

Applicant: NHK SPRING CO., LTD.

Inventor： Shinichi NISHIZAWA ,  Senri MORIYAMA ,  Fang DAI ,  Takeshi FURUSE

IPC: F16F1/04 ,  F16F1/06

Abstract: According to an embodiment, a coil spring includes a wire rod having an end and the other end. The wire rod of the coil spring includes, with regard to a section of the wire rod, a round section potion of an effective spring part, a square section portion in which the section is substantially square, and a taper portion. The square section portion includes an end turn part. A length of each side of the section of the square section portion is less than or equal to a square root of ½ multiplied by a diameter of the wire rod of the round section portion. In the taper portion, from the round section portion to the square section portion, the section changes from a round shape to substantially a square shape, and a sectional area is decreased.

公开(公告)号：US11346859B2

公开(公告)日：2022-05-31

申请号：US16496608

申请日：2018-03-29

Applicant: NHK Spring Co., Ltd.

Inventor： Kazuya Souma ,  Tsukasa Sakaguchi

IPC: G01R1/067

Abstract: A contact probe is conductive and capable of expanding/contracting along an axial line direction. The contact probe includes: a first contact member configured to contact one contact target; a second contact member configured to contact another contact target, and to house at least a portion of the first contact member; and a spring member configured to couple the first contact member and the second contact member in a manner capable of expansion/contraction with both end parts of the spring member. The spring member is wound in a helical shape, and at least a diameter of an outer circumference in one of the end parts held by the second contact member is larger than diameters of other portions. A diameter of an inner circumference of an end part of the second contact member on a side housing the first contact member is equal to or larger than a maximum diameter of the first contact member.

公开(公告)号：US11339844B2

公开(公告)日：2022-05-24

申请号：US16982738

申请日：2019-03-26

Applicant: NHK SPRING CO., LTD.

Inventor： Mitsuteru Mimura ,  Norihiro Tajima ,  Yosuke Kawai ,  Shuji Takahashi

IPC: F16F1/12 ,  F16F1/04 ,  B60K17/00

Abstract: A seat member has a seat portion, a receiving surface of which comes into contact with a bearing surface of an end turn portion, a mounting shaft portion protruded from the receiving surface of the seat portion, and an enlarged diameter portion formed at the front end of the mounting shaft portion for guiding press-fitting, in a cross section along an axial direction of a coil spring, an outer diameter of the enlarged diameter portion is set larger than an inner diameter of the end turn portion and an axial length of the enlarged diameter portion is set so that at least a maximum diagonal length of the seat member is larger than an inter-element wire distance.