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公开(公告)号：EP4378643A1
公开(公告)日：2024-06-05
申请号：EP22849337.5
申请日：2022-07-20
Applicant: NHK Spring Co., Ltd.
Inventor： HIRATA Takafumi , HOTODA Yuki , HAYAKAWA Yuki
IPC: B25J18/06
CPC classification number: B25J18/06
Abstract: Provided is a flexible structure with an articulation function, wherein a plurality of flexible portions are connected, said flexible portions comprising a plurality of wave washers that are stacked and welded to each other. The flexible structure comprises: a first flexible portion 7 and a second flexible portion 9 that are capable of flexing and extending; and a connection portion 11 that is welded, in the radial direction, between the flexible portion 7 and the second flexible portion 9, and has higher rigidity than the first flexible portion 7 and the second flexible portion 9. The first flexible portion 7 and the second flexible portion 9 are each layered in the axial direction and comprise a plurality of mutually welded wave washers 13. The connection portion 11 has a circular shape in which the inner circumference and the outer circumference are linked in the circumferential direction.
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12.发明公开
公开(公告)号：EP4371868A1
公开(公告)日：2024-05-22
申请号：EP22841966.9
申请日：2022-06-30
Applicant: NHK Spring Co., Ltd.
Inventor： SHIRAO Masato , SATO Marino , TOKUSHIGE Jun , KAMIYA Takafumi
IPC: B63C3/12 , B63H11/107 , B63H21/21 , B63H25/04 , B63H25/46
CPC classification number: B63H25/04 , B63H21/21 , B63H25/46 , B63C3/12 , B63H11/107
Abstract: Provided is a ship launching support system configured to support launching work of a ship of disengaging the ship from a trailer on which the ship is loaded,
the ship including an actuator having a function of generating propulsion power of the ship and a function of generating a moment on the ship, and a ship control device configured to actuate the actuator, during the launching work of the ship, the ship control device causing the actuator to generate backward propulsion power of the ship, and executing feedback control of a bow azimuth of the ship on the basis of a deviation between an actual bow azimuth that is a bow azimuth of the ship in actuality and a target bow azimuth.-
公开(公告)号：EP4361021A1
公开(公告)日：2024-05-01
申请号：EP22828154.9
申请日：2022-05-30
Applicant: NHK Spring Co., Ltd.
Inventor： KAMIYA Takafumi , SATO Marino , TOKUSHIGE Jun , SHIRAO Masato
Abstract: A ship control system that includes a ship and an input device, in which the ship includes an actuator having a function of generating thrust for the ship and a function of generating a moment in the ship, a first operation unit configured to receive an input operation from a ship operator, and a ship control device configured to activate the actuator, the input device includes a second operation unit configured to receive an input operation from the ship operator, the ship control device includes a first operation mode and a second operation mode, a moment is generated in the ship on the basis of the input operation received by the first operation unit in the first operation mode, the actuator is activated on the basis of the input operation received by the second operation unit in the second operation mode, and the ship control device executes bow direction feedback control of the ship on the basis of a deviation between a target bow direction and an actual bow direction of the ship in the second operation mode.
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公开(公告)号：EP4353789A1
公开(公告)日：2024-04-17
申请号：EP22820358.4
申请日：2022-06-10
Applicant: NHK Spring Co., Ltd.
Inventor： IBANO, Daisuke , MATSUDA, Tsuyoshi , ARISAKA, Norihumi
IPC: C09D175/04 , C09D201/00 , F16F1/12 , F16F1/24
CPC classification number: F16F1/24 , F16F1/12 , C09D201/00 , C09D175/04
Abstract: A coating agent, a cured product of which after curing having a tear strength, at each of 25°C and 80°C, of 20 kN/m or more, and having a type A durometer hardness at 25°C of from 30 to 100, and a spring using the same.
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公开(公告)号：EP4302941A1
公开(公告)日：2024-01-10
申请号：EP22763379.9
申请日：2022-03-03
Applicant: NHK Spring Co., Ltd.
Inventor： HIRATA Takafumi , HOTODA Yuki , HAYAKAWA Yuki
Abstract: The present invention provides a bending structural body capable of improving operability in a polyarticular structure. The present invention comprises: a first bending part 3 and second bending part 5 which are capable of bending elastically; a connection part 7 which connects the first bending part 3 and the second bending part 5, and which has higher bending rigidity than the first bending part 3 and the second bending part 5; and a plurality of first cord-like members 9 which are attached to the first bending part 3, which are inserted through the first bending part 3, the connection part 7, and the second bending part 5, and which are capable of bending the first bending part 3 via tension on the second bending part 5 side. The first cord-like members 9 each have a plurality of divided parts 37 which are divided in the connection part 7 and dispersed in the circumferential direction, and which are inserted through the second bending part 5 in this dispersed state.
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Patent Agency Ranking
公开(公告)号：EP4292743A1
公开(公告)日：2023-12-20
申请号：EP22752596.1
申请日：2022-01-27
Applicant: NHK Spring Co., Ltd.
Inventor： TANAKA, Ryo , YAMAUCHI, Yuichiro , SUZUKI, Kohei
Abstract: Provided are a circuit board and a manufacturing method, capable of further improving heat dissipation of a semiconductor chip such as a semiconductor chip mounted on an additional metal layer using solder, the additional metal layer bonded to a circuit pattern diverting an ultrasonic bonding technique. The circuit board having a circuit pattern 3 on a base plate 5 and an additional metal layer 9 laid and bonded on the circuit pattern 3, wherein the additional metal layer 9 comprises an attachment plane portion 13 configured to fix a semiconductor chip 11 using solder, and an engagement uneven portion 17 provided adjacent to the attachment plane portion 13 to be engaged with a tool uneven portion of a tool for vibration transmission to bond the additional metal layer 9 on the circuit pattern 3 with ultrasonic vibration, wherein the attachment plane portion 13 is a face having unevenness smaller than the engagement uneven portion 17.
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公开(公告)号：EP4247129A1
公开(公告)日：2023-09-20
申请号：EP21891604.7
申请日：2021-10-19
Applicant: NHK Spring Co., Ltd.
Inventor： YANO, Shinya , UETAKE, Misao
Abstract: A circuit pattern is obtained, capable of being easily applicable to current increase, making short circuit or ion migration between adjacent circuit conductors hard to be generated, and allowing a circuit pattern to be tightly arranged. A circuit pattern 3 comprises a circuit conductor 3a to be layered on a metal substrate 5 through an insulating layer, an intermediate portion in a layer direction having a swelled shape in a layer-crossing direction in a cross section of the circuit conductor 3a, and the swelled shape is formed by a gentle face 3b in the layer direction.
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公开(公告)号：EP4238723A1
公开(公告)日：2023-09-06
申请号：EP21886385.0
申请日：2021-10-29
Applicant: NHK Spring Co., Ltd.
Inventor： HIRATA Takafumi , HOTODA Yuki , INABA Masahiro , HAYAKAWA Yuki
IPC: B25J17/00
Abstract: The present invention provides a bending structural body with which a simplified structure can be achieved. The bending structural body comprises: an inner cylinder 3 that is formed from a first inner coil part 15 and a first outer coil part 13, and in which wound parts 15a corresponding to the first inner coil part 15 are respectively fitted to pitches 13b between adjacent wound parts 13a of the first outer coil part 13; an outer cylinder 5 that covers at least some of the outer circumference of the inner cylinder 3 with a space 21 therebetween, that is formed from a second inner coil part 19 and a second outer coil part 17, and in which wound parts 19a corresponding to the second inner coil part 19 are respectively fitted to pitches 17b between adjacent wound parts 17a of the second outer coil part 17; and drive wires 9a and guide wires 9b that are guided and axially inserted into the space 21 between the inner cylinder 3 and the outer cylinder 5.
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公开(公告)号：EP4166443A1
公开(公告)日：2023-04-19
申请号：EP21821785.9
申请日：2021-06-08
Applicant: NHK Spring Co., Ltd.
Inventor： OOSHITA, Sachio
Abstract: A watercraft includes a steering unit, a rudder unit, a transmission unit configured to connect the steering unit and the rudder unit and mechanically transmit an input operation on the steering unit to the rudder unit, a drive unit configured to operate the rudder unit without any need of an input operation on the steering unit, and a watercraft control device for controlling the drive unit.
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公开(公告)号：EP4130507A1
公开(公告)日：2023-02-08
申请号：EP21779517.8
申请日：2021-03-24
Applicant: NHK Spring Co., Ltd.
Inventor： SUWA Taisuke , SHIBATA Yuichi , KOKUBUN Ippei , SUGITANI Tomoya
Abstract: A coil spring includes a main body spring (11) and an insulator (12), the insulator is provided with a support groove (13) which extends around a coil axis (O) 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 (13a) of the support groove, the inner surface of the support groove is provided with a plurality of spacer protrusions (14) which support an outer peripheral surface of a wire rod (W), 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.
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