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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
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.
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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
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.
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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
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.
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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
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.
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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.
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Patent Agency Ranking
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
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.
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公开(公告)号：US20220146552A1
公开(公告)日：2022-05-12
申请号：US17437152
申请日：2020-03-12
Applicant: NHK Spring Co., Ltd.
Inventor： Kazuya Soma , Masahiro Takahashi , Shuji Takahashi
Abstract: A contact probe includes a first plunger, a second plunger, a coil spring, and a pipe; the first plunger includes a first slide portion that slides along the inner periphery of the pipe; the second plunger includes a second slide portion that slides along the inner periphery of the pipe; and the coil spring includes: a first attachment portion that is attached to the first plunger and tightly wound; a second attachment portion that is attached to the second plunger and tightly wound; a coarsely wound portion; a first contact portion including one end connected to the first attachment portion and another end connected to the coarsely wound portion and contacting the pipe; and a second contact portion including one end connected to the coarsely wound portion and another end connected to the second attachment portion and contacting to the pipe.
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公开(公告)号：US11293946B2
公开(公告)日：2022-04-05
申请号：US16618930
申请日：2018-06-14
Applicant: NHK Spring Co., Ltd.
Inventor： Kohei Hironaka , Tsuyoshi Inuma
Abstract: A conductive contactor unit includes: a signal conductive contactor configured to input or output a signal to or from a predetermined circuit structure, the signal conductive contactor including a first plunger, a second plunger, and a spring member; and a conductive contactor holder configured to house the signal conductive contactor used for inputting and outputting the signal to and from the predetermined circuit structure, the conductive contactor holder having a coaxial structure with the signal conductive contactor, and including a holder substrate including an opening configured to allow the signal conductive contactor to be inserted therethrough, a holding member housed in the opening, and including a holding hole configured to hold one or more of the signal conductive contactors, and a stab configured to form a hollow space extending from the holding hole in a direction perpendicular to a central axis of the holding hole.
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279.发明申请公开(公告)号：US20220101876A1
公开(公告)日：2022-03-31
申请号：US17488152
申请日：2021-09-28
Applicant: NHK SPRING CO., LTD.
Inventor： Shogo OGAKI
IPC: G11B5/48 , H01L41/313
Abstract: An adhesive reactive to ultraviolet rays is applied to an actuator mounting portion of a suspension. An electrical conducting material is applied to a conductor and the like of the actuator mounting portion. When the adhesive is irradiated with ultraviolet rays, the viscosity of the adhesive is increased. A piezoelectric element is placed on the adhesive the viscosity of which is increased. Thereafter, the adhesive and the electrical conducting material are heated, whereby the adhesive and the electrical conducting material are cured.
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公开(公告)号：US20220081085A1
公开(公告)日：2022-03-17
申请号：US17422658
申请日：2020-02-14
Applicant: NHK SPRING Co., Ltd.
Inventor： Masato SHIRAO , Marino AKITA , Takafumi OSHIMA
Abstract: A control device for an outboard motor controls a plurality of outboard motors included in a ship. Each outboard motor includes a propulsion unit and a steering actuator. The ship includes an operation unit that operates the steering actuator and the propulsion unit. The operation unit can be positioned at a first position at which the outboard motors do not generate a propulsion force for the ship, a second position at which the outboard motors generate a propulsion force for moving the ship in a leftward-rightward direction, and a third position at which the outboard motors generate a propulsion force for moving the ship in an oblique direction that forms an acute angle with the leftward-rightward direction. A forward-backward direction component of a propulsion force in the oblique direction which is generated by the outboard motors in a case in which the operation unit is moved from the first position to the third position via the second position is larger than that in a case in which the operation unit is moved directly from the first position to the third position, or a leftward-rightward direction component of a propulsion force in the oblique direction which is generated by the outboard motors in the former case is smaller than that in the latter case.
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