Patents Assigned to NHK Spring Co., Ltd.
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Publication number: 20250118340Abstract: A terminal connection portion for an electronic device includes a first terminal of a wiring portion. The wiring portion includes a base insulating layer, conductors formed on the base insulation layer, a cover layer which covers the conductors, and the first terminal which is formed at an end of each of the conductors and is integral with each of the conductors. The first terminal includes a base portion including a first surface fixed to the base insulation layer along the base insulation layer and a second surface opposite the first surface, a bent portion reversed in a thickness direction of the base portion from an end of the base portion towards the second surface, and an overlapping portion extending from the bent portion in a direction along the second surface.Type: ApplicationFiled: December 18, 2024Publication date: April 10, 2025Applicant: NHK SPRING CO., LTD.Inventor: Yukie YAMADA
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Patent number: 12262905Abstract: Provided is a bending structure and a joint function part, capable of ensuring sufficient flexibility and rigidity in an axial direction. The bending structure is provided with an outer coiled part formed of a wire wound in a coiled shape and an inner coiled part formed of a wire wound in a coiled shape and arranged in the outer coiled part, wherein the outer coiled part has a plurality of gaps to distance adjacent coils, and coils of the inner coiled part are provided so as to correspond to the gaps of the outer coiled part and fit between the adjacent coils while being in contact with the adjacent coils of the outer coiled part.Type: GrantFiled: August 2, 2019Date of Patent: April 1, 2025Assignee: NHK Spring Co., Ltd.Inventors: Takafumi Hirata, Shimpei Kurokawa, Yuki Hotoda
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Publication number: 20250104733Abstract: According to one embodiment, a suspension includes a load beam having a dimple portion and a flexure having a slider mounting portion. The dimple portion has a convex surface in contact with the slider mounting portion. The slider mounting portion is swingably supported by a gimbal component member. The radius of curvature of the convex surface is less than 0.15 mm. The flexure pitching resistance acting on the contact portion when the slider mounting portion swings in the pitching direction is 0.005 N or less. The phase delay of the slider mounting portion in the pitching direction relative to an undulation of a rotating disk is 200 or less.Type: ApplicationFiled: September 26, 2024Publication date: March 27, 2025Applicant: NHK SPRING CO., LTD.Inventors: Masao HANYA, Toshiki ANDO
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Patent number: 12253134Abstract: A coil spring includes a main body spring and an insulator, the insulator is provided with a support groove which extends around a coil axis and into which a lower end portion of the main body spring is fitted, a lower end portion of the main body spring adheres to an inner surface of the support groove, the inner surface of the support groove is provided with a plurality of spacer protrusions which support an outer peripheral surface of a wire rod, the support groove extends in an angle range of 180° or more and 360° or less around the coil axis, and a ratio of a volume of the spacer protrusions occupying a gap between the inner surface of the support groove and the outer peripheral surface of the wire rod at a center portion in the gap in a circumferential direction around the coil axis is larger than that at the other portions in the gap in the circumferential direction.Type: GrantFiled: September 28, 2022Date of Patent: March 18, 2025Assignee: NHK SPRING CO., LTD.Inventors: Taisuke Suwa, Yuichi Shibata, Ippei Kokubun, Tomoya Sugitani
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Patent number: 12253842Abstract: In production management systems, management devices includes a management device of a pre-process which adds a hash value of a production condition information received from a preceding process and a hash value calculated from the production condition information of the pre-process to calculate a first hash value and transmit the production condition information of the pre-process and the first hash value to a management device of a current process, and the management devices includes a management device of a current process which calculates a second hash value from production condition information received, calculates a third hash value obtained by subtracting the second hash value from the first hash value.Type: GrantFiled: June 14, 2022Date of Patent: March 18, 2025Assignee: NHK SPRING CO., LTD.Inventor: Eijiro Furuta
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Patent number: 12247296Abstract: A member for a plasma processing device includes: an aluminum base material; and an oxide film formed on the aluminum base material and having a porous structure, the oxide film including a first oxide film formed on a surface of the aluminum base material, a second oxide film formed on the first oxide film, and a third oxide film formed on the second oxide film, wherein the first oxide film is harder than the second oxide film and the third oxide film, and a hole formed in each of the first oxide film, the second oxide film and the third oxide film is sealed.Type: GrantFiled: July 17, 2019Date of Patent: March 11, 2025Assignees: NHK Spring Co., Ltd., IZUMI TECHNO INC.Inventors: Toshihiko Hanamachi, Shuhei Morota, Go Takahara, Masaru Takimoto, Hibiki Yokoyama, Hiroshi Mitsuda, Yoshihito Araki, Kengo Ajisawa
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Publication number: 20250078865Abstract: A manufacturing apparatus of a disk-drive suspension including an actuator mounting portion on which a piezoelectric element is to be mounted. The manufacturing apparatus includes a transport shuttle which holds the disk-drive suspension; a drive mechanism which moves the transport shuttle; an adhesive feeding device which applies an adhesive reactive to ultraviolet rays to the actuator mounting portion; a light-irradiation device which irradiates the applied adhesive with ultraviolet rays to thereby increase a viscosity of the adhesive; an element feeding device which arranges the piezoelectric element on the adhesive the viscosity of which is increased; and a heating device which heats the actuator mounting portion on which the piezoelectric element is arranged, to thereby cure the adhesive.Type: ApplicationFiled: November 18, 2024Publication date: March 6, 2025Applicant: NHK SPRING CO., LTD.Inventor: Shogo OGAKI
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Patent number: 12240362Abstract: A seat cushion frame configuring framework of a seat cushion for an occupant of a vehicle to sit on, and including left and right side frames, a cushion pan, and a reinforcement member. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction. The reinforcement member includes the left and right reinforcement portions respective affixed to the seat left-right direction sides of the rear end portion of the cushion pan.Type: GrantFiled: December 22, 2022Date of Patent: March 4, 2025Assignees: NHK Spring Co., Ltd., Subaru CorporationInventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Fumito Kitanaka, Kenji Nagumo, Suguru Ishikawa
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Patent number: 12241913Abstract: A contact probe includes: a first plunger; a second plunger; and a coil spring provided between the first and second plungers and configured to connect the first and second plungers to each other so as to freely advance and retreat. The first plunger is provided with a groove portion formed on a side surface of the first plunger.Type: GrantFiled: January 30, 2023Date of Patent: March 4, 2025Assignee: NHK Spring Co., Ltd.Inventors: Hajime Arai, Kazuya Soma
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Publication number: 20250065575Abstract: A bonding jig for crimping and bonding first and second members constituting a damping member to a bonded member includes: a first bonding member configured to hold the first member; a second bonding member configured to hold the second member and cover the first bonding member to crimp the first and second members onto the bonded member; and a switching mechanism configured to switch, in a space where the first bonding member holds the first member, between a first state in which a gap is formed between the first bonding member and a part of a side surface of the first member continuous with a crimping surface with the second member and a second state in which the gap is filled to control a position of the first member.Type: ApplicationFiled: December 28, 2022Publication date: February 27, 2025Applicant: NHK Spring Co., Ltd.Inventors: Suguru Kajigaya, Yuuki Fujiwara
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Publication number: 20250067282Abstract: A manufacturing method for manufacturing an exterior body of an accumulator including a bottom, a shell, and a port, includes: press fitting the bottom into the shell; and melting and solidifying a region including a part of a connection portion between the bottom and the shell which has been press fitted.Type: ApplicationFiled: January 6, 2023Publication date: February 27, 2025Applicant: NHK Spring Co., Ltd.Inventors: Naohito Nakano, Daijiro Ohta, Akira Tsujino, Tomoya Kurokawa
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Patent number: 12234002Abstract: 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.Type: GrantFiled: June 5, 2020Date of Patent: February 25, 2025Assignee: NHK SPRING CO., LTD.Inventors: Masato Shirao, Marino Akita, Takafumi Oshima
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Patent number: 12230300Abstract: A load beam includes a pair of flange bending parts including first bending parts, and a second bending part extending in a width direction. A first cross-section part extends in the width direction of the load beam passing through welding parts. The first cross-section part is warped up toward the flange parts. A second cross-section part extends in the width direction passing through a different position from that of the welding parts. The second cross-section part has a lesser height difference as compared to the first cross-section part. A die is used when bending the second bending part. The die includes a first relief part including a first inclined surface and a second relief part including a second inclined surface in both sides of the supporting surface.Type: GrantFiled: June 1, 2021Date of Patent: February 18, 2025Assignee: NHK SPRING CO., LTD.Inventors: Sosuke Kurebayashi, Yohei Mitsumori, Naoki Iwamoto
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Publication number: 20250035699Abstract: A probe unit includes: a plurality of first contact probes each coming into contact with an electrode to be contacted on one end side in a longitudinal direction; a second contact probe connected to an external ground; and a probe holder configured to hold the first and second contact probes, the probe holder including a first hollow portion configured to allow the first contact probes to be inserted therethrough and hold the first contact probes, a second hollow portion configured to allow the second contact probe to be inserted therethrough and hold the second contact probe, and a through-hole provided around the first hollow portion, wherein the probe holder includes a conductive portion that constitutes the through-hole and electrically connects the through-hole and the second contact probe.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: NHK Spring Co., Ltd.Inventors: Tsuyoshi Inuma, Shuji Takahashi, Kazuya Soma, Takashi Nidaira, Yuya Hironaka
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Publication number: 20250033230Abstract: The present invention comprises: a first bending part and a second bending part which are capable of bending elastically; a connection part which connects the first bending part and the second bending part, and which has higher bending rigidity than the first bending part and the second bending part; and a plurality of first cord-like members which are attached to the first bending part, which are inserted through the first bending part, the connection part, and the second bending part, and which are capable of bending the first bending part via tension on the second bending part side. The first cord-like members each have a plurality of divided parts which are divided in the connection part and dispersed in the circumferential direction, and which are inserted through the second bending part in this dispersed state.Type: ApplicationFiled: March 3, 2022Publication date: January 30, 2025Applicant: NHK SPRING CO., LTD.Inventors: Takafumi HIRATA, Yuki HOTODA, Yuki HAYAKAWA
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Publication number: 20250033428Abstract: A stabilizer manufacturing method includes forming a first end and a second end of a stabilizer by processing a tubular member such that each of the first end and the second end has a wall thickness equivalent to a wall thickness of a main body of the stabilizer. The first end and the second end constitutes both ends of the stabilizer, and the first end and the second end are formed by sandwiching and pressing the ends of the tubular member by two pairs of pressing members, facing directions of the two pairs of pressing members being different from each other.Type: ApplicationFiled: December 22, 2022Publication date: January 30, 2025Applicant: NHK SPRING CO., LTD.Inventors: Tomoyuki Miyasaka, Rintaro Fujimura, Norihiro Kawakami
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Patent number: 12211523Abstract: A first terminal provided on a tail pad portion includes a base portion, a bent portion and an overlapping portion. The base portion includes a first surface fixed to a base insulating layer and a second surface on an opposite side to the first surface. The bent portion is reversed in a thickness direction of the base portion from an end of the base portion towards the second surface. The overlapping portion extends from the bent portion in a direction along the second surface. An anisotropic conductive film (ACF) is disposed between the overlapping portion and the second terminal. The overlapping portion and the second terminal are connected to each other via the ACF.Type: GrantFiled: January 5, 2023Date of Patent: January 28, 2025Assignee: NHK SPRING CO., LTD.Inventor: Yukie Yamada
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Patent number: 12211710Abstract: Disclosed is a stage including a first supporting plate, a second supporting plate under the first supporting plate, a shaft under the second supporting plate and overlapping with the first supporting plate and the second supporting plate, and at least one sheath heater passing through the second supporting plate. The at least one sheath heater is arranged so as to extend on a first surface and a second surface which are parallel to an upper surface of the second supporting plate and which are different in distance from the first supporting plate from each other.Type: GrantFiled: March 31, 2021Date of Patent: January 28, 2025Assignee: NHK SPRING CO., LTD.Inventors: Toshihiko Hanamachi, Arata Tatsumi, Kenji Sekiya, Naoya Aikawa, Masaya Takanashi
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Patent number: 12208715Abstract: A seatback frame including left and right side frames, a lower frame, and a sacrum support section. The left and right side frames extend in a seat up-down direction inside left and right side portions of a seatback of a vehicle seat. The lower frame spans between lower end portions of the left and right side frames. The sacrum support section extends from a lower end portion of the lower frame toward a seat front side and supports a sacral region of a seated occupant from a seat rear side. A weakened portion that is weakened by a load from the seat front side is provided to the sacrum support section.Type: GrantFiled: December 22, 2022Date of Patent: January 28, 2025Assignees: NHK Spring Co., Ltd., Subaru CorporationInventors: Daisuke Kobayashi, Kensuke Yoshiga, Akihiko Mizuno, Fumito Kitanaka, Kenji Nagumo
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Publication number: 20250026951Abstract: An epoxy resin composition for interlayer insulation, a resin sheet for interlayer insulation, a laminate for a circuit board, a metal-based circuit board, and a power module which realize an excellent adhered-state heat resistance and which allow for the retention of good voltage resistance at a high level are provided. An epoxy resin composition for interlayer insulation according to an embodiment of the present invention contains an epoxy resin, an epoxy-modified polybutadiene compound, and an aromatic amine compound.Type: ApplicationFiled: September 16, 2024Publication date: January 23, 2025Applicant: NHK SPRING CO., LTD.Inventors: Katsumi MIZUNO, Kohei SHIMOMURA, Saki SUDO