Patents Assigned to Shiroki Corporation
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Publication number: 20240116405Abstract: A clutch unit (100) includes an operation lever (21), an operation member (22), an input-side clutch (50), an output-side clutch (60), and a bottomed cylindrical housing (11). The input-side clutch (50) includes an input-side inner ring member (51) and an operation bracket (54). The operation bracket (54) includes an engagement portion (54b) that engages with the input-side inner ring member (51), a facing portion (54d) that faces the bottom surface (11 a) of the housing (11) with a gap therebetween, a fastened portion (54c) that penetrates a through hole (11h) formed in the bottom surface (11a) of the housing (11) and is fastened to the operation member (22), and a sliding-contact portion (54e) that extends from the facing portion (54d) toward the bottom surface (11a) of the housing (11) and comes into sliding-contact with the bottom surface of the housing (11).Type: ApplicationFiled: January 26, 2022Publication date: April 11, 2024Applicants: SHIROKI CORPORATION, NTN CORPORATIONInventors: Kunihiro MIKASA, Yasumasa HIBI, Kyohei SASANUMA, Kengo WATANABE
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Publication number: 20230323943Abstract: A gear device includes a first gear, a second gear, and a third gear. The second gear is offset eccentrically when the first gear is rotated. The third gear is rotated at a speed slower than a rotation speed of the first gear when the second gear is offset eccentrically. The stopper plate is engaged with the second gear through a fitting structure thereby restricting rotational movement of the second gear while permitting linear movement of the second gear. One of the second gear and the stopper plate includes an engagement claw. The other one of the second gear and the stopper plate includes a recess engaged with the engagement claw. The engagement claw includes a grease sump that holds grease applied between the recess and the engagement claw.Type: ApplicationFiled: March 2, 2023Publication date: October 12, 2023Applicant: SHIROKI CORPORATIONInventors: Takayuki HIROSE, Kouhei IZUCHI
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Publication number: 20230322130Abstract: A frame structure of the vehicle seat includes: a seat frame that constitutes a seat surface part of the vehicle seat; a pinion that is rotatably attached to the seat frame, and protrudes from an outer side to an inner side in a vehicle width direction; a drive input gear that is disposed on the inner side in the vehicle width direction with respect to the seat frame, is rotatable about a rotary shaft at a position different from the pinion, and enmeshes with the pinion; a reinforcement member that is disposed between the seat frame and the drive input gear in the vehicle width direction, and is fixed to the seat frame; and a support member that is disposed on the inner side in the vehicle width direction with respect to the seat frame with the drive input gear and the reinforcement member interposed therebetween, supports part of the pinion, and is fixed to the seat frame, and part of the support member comes into contact with the seat frame through an insertion part provided to the reinforcement member.Type: ApplicationFiled: March 10, 2023Publication date: October 12, 2023Applicant: SHIROKI CORPORATIONInventors: Munetomo KUMAMOTO, Yuki ABE
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Publication number: 20230313850Abstract: Provided is a clutch unit in which an output-side outer ring member is attached to a base plate without welding. A clutch unit (100) includes an output-side clutch (60) and a housing (11) that accommodates the output-side clutch (60). The output-side clutch (60) includes an output-side outer ring member (62). The output-side outer ring member (62) and the housing (11) have an engagement protrusion (62s) and an engagement groove (11s) that engage with each other to restrict relative rotation therebetween.Type: ApplicationFiled: January 26, 2022Publication date: October 5, 2023Applicants: SHIROKI CORPORATION, NTN CORPORATIONInventors: Kunihiro MIKASA, Yasumasa HIBI, Kyohei SASANUMA, Shaoluan BIAN
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Publication number: 20230306634Abstract: There is provided a target detection method and detection device that can detect a target by a simple method and configuration.Type: ApplicationFiled: March 21, 2023Publication date: September 28, 2023Applicants: SHIROKI CORPORATION, TAMADIC Co., Ltd., Shinya Hirano, TACT SYSTEM Co., Ltd.Inventors: Yu OKUMURA, Naofumi Matsushita, Junya Nakamura, Tomokazu Uchiyama, Shinji Fujino, Motohiro Kakureya, Kohei Yagi, Shinya Hirano, Hitoshi Fujiyama
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Publication number: 20230302651Abstract: There are provided a target detection method and detection device that include a calibration function and can maintain detection accuracy of a target irrespectively of a change (such as a temperature) in external environment. A target detection method includes: a step of calculating a quantitative value; a step of, at a first position information generation device, measuring a first target; a step of, at a second position information generation device, measuring a second target; a step of calculating a position of the second target using the first position information generation device as a position reference based on a measurement value of the first target obtained by the first position information generation device, a measurement value of the second target obtained by the second position information generation device, and the quantitative value; and a step of calibrating the quantitative value before measuring a third target using the second position information generation device.Type: ApplicationFiled: March 22, 2023Publication date: September 28, 2023Applicants: SHIROKI CORPORATION, TAMADIC Co., Ltd., Shinya HIRANO, TACT SYSTEM Co., Ltd.Inventors: Yu Okumura, Naofumi Matsushita, Junya Nakamura, Tomokazu Uchiyama, Shinji Fujino, Motohiro Kakureya, Kohei Yagi, Shinya Hirano, Hitoshi Fujiyama
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Patent number: 11708012Abstract: A clutch unit used for a vehicle seat includes an input side clutch configured such that one member of an input side inner ring member and an input side outer ring member rotates with a rotation of an operation lever, and the other member is rotated via an input side transmission member, so that a rotation of the operation lever is transmitted to an output side clutch. A rotation suppressing member configured to apply a rotational resistance force greater than a force for the co-rotating is provided between the other member and a member that does not rotate during a return operation of the operation lever, so as to suppress co-rotation of the other member by the one member during the return operation to the neutral position.Type: GrantFiled: May 29, 2019Date of Patent: July 25, 2023Assignees: SHIROKI CORPORATION, NTN CORPORATIONInventors: Kunihiro Mikasa, Kyohei Sasanuma
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Patent number: 11614145Abstract: A gear device includes a housing, a cover, and a positioning portion. The cover includes a first bearing that receives a first shaft and a second bearing that receives a second shaft. The positioning portion includes a projection that projects from one of the housing or the cover parallel to the first shaft or the second shaft and a fitting hole that is formed in the other one of the housing or the cover to receive the projection. The projection has a length that is set so that when coupling the cover to the housing, in a state in which the first shaft is inserted through the first bearing, the projection enters the fitting hole before the distal end of the second shaft enters the second bearing.Type: GrantFiled: August 16, 2021Date of Patent: March 28, 2023Assignee: SHIROKI CORPORATIONInventors: Mitsugu Taniguchi, Masayuki Shibata
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Patent number: 11390192Abstract: According to one embodiment, a vehicle-seat slide device includes a rail to be fixed to a floor, the rail extending in a vehicle front-back direction; a slider slidably attached to the rail and fixed to a seat; a lock member being movable between a lock position at which the slider is locked to one of slide positions on the rail and a lock release position at which the slider is released from being locked to the rail; a support member fixed to the slider; and an operational member supported by the support member to be rotatable about a rotational center extending in a vehicle lateral direction. The operational member receives an input from an input member to rotate in a first rotational direction around the rotational center to thereby move the lock member from the lock position to the lock release position.Type: GrantFiled: November 2, 2018Date of Patent: July 19, 2022Assignee: SHIROKI CORPORATIONInventors: Haruki Seto, Koji Kumagai
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Patent number: 11332047Abstract: Provided is a slide device which includes: a lower rail; an upper rail movably attached to the lower rail; a load sensor attached to the upper rail by a first attachment member; and a bracket attached to the load sensor by a second attachment member. The bracket has an insertion hole into which the first attachment member is inserted, a deformation suppressing member is attached to a tip end portion of the first attachment member, the first attachment member has a first bolt and a first nut screwed onto the first bolt, the tip end portion of the first attachment member is positioned on a tip end side of the first bolt with respect to the first nut, and the deformation suppressing member is configured to reduce deformation of the bracket in a direction of separating from the upper rail.Type: GrantFiled: March 12, 2020Date of Patent: May 17, 2022Assignee: SHIROKI CORPORATIONInventor: Yasunori Kawai
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Patent number: 11292369Abstract: A seat apparatus includes plural links configured to be attached to a base member, a seat cushion frame supported by the links, and a connecting member. The seat cushion frame includes a pair of side walls connected by the connecting member, and a contact portion on at least one of the pair of side walls. At least one of the links includes a first end portion, a second end portion, and a projecting portion projecting from the second end portion. The first end portion is rotatably connectable to the base member directly or indirectly about a first rotation axis, the second end portion is rotatably connectable to the side wall directly or indirectly about a second rotation axis, and the projecting portion is configured such that at least when the seat cushion frame is moved to the highest position, a predetermined portion of the projecting portion faces the contact portion.Type: GrantFiled: May 7, 2021Date of Patent: April 5, 2022Assignee: SHIROKI CORPORATIONInventors: Naoki Hayashi, Yuki Abe
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Patent number: 11279209Abstract: A vehicle door glass elevating/lowering device performs elevating/lowering operation of window glass by a driving force of a drive source along a sash member along one of front and rear edges of the window glass in a door sash forming a window opening. The glass elevating/lowering device includes: a guide rail on the sash member; a slider having a glass support secured to the glass and a sliding part guided movably in the elevating/lowering directions with respect to the guide rail; and a transmission member that transmits the driving force of the drive source, in which a first sliding part regulated in position by the guide rail in at least one direction of the vehicle front-rear directions and a second sliding part regulated in position by the guide rail in at least the other direction of the vehicle front-rear directions are provided at mutually different positions in the elevating/lowering directions.Type: GrantFiled: November 9, 2018Date of Patent: March 22, 2022Assignee: SHIROKI CORPORATIONInventors: Yoshimasa Ishiguro, Katsuhisa Fukui, Tomoaki Fukatami, Kazuhito Nakajima, Masako Sekine, Natsuki Ito, Kimihiro Kinoshita
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Patent number: 11273690Abstract: A door sash surrounding a window opening of a vehicle door, the door sash including: a design part located on a vehicle exterior side; a frame part located on a vehicle interior side with respect to the design part so as to form a sash interior space surrounded by a wall; and a mounting part located inside the sash interior space and to which door-related components can be mounted. According to this door sash, it is possible to achieve high functionality around the vehicle door while improving the space efficiency of the vehicle door by effectively utilizing the sash interior space as a portion to which the door-related components are mounted.Type: GrantFiled: November 9, 2018Date of Patent: March 15, 2022Assignee: SHIROKI CORPORATIONInventor: Tomoaki Fukatami
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Publication number: 20220056986Abstract: A gear device includes a housing, a cover, and a positioning portion. The cover includes a first bearing that receives a first shaft and a second bearing that receives a second shaft. The positioning portion includes a projection that projects from one of the housing or the cover parallel to the first shaft or the second shaft and a fitting hole that is formed in the other one of the housing or the cover to receive the projection. The projection has a length that is set so that when coupling the cover to the housing, in a state in which the first shaft is inserted through the first bearing, the projection enters the fitting hole before the distal end of the second shaft enters the second bearing.Type: ApplicationFiled: August 16, 2021Publication date: February 24, 2022Applicant: SHIROKI CORPORATIONInventors: Mitsugu TANIGUCHI, Masayuki SHIBATA
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Publication number: 20220048368Abstract: A vehicle door frame includes an upper frame having a first end face at a longitudinal end, and a lower external face; and a lower member of a plate form bonded to the upper frame. The lower member includes a second end face facing the first end face, a projection projecting from the second end face in a longitudinal direction below the upper frame, and a third end face located at an upper end of the projection, extending in the longitudinal direction, and facing a lower side of the external face of the upper frame.Type: ApplicationFiled: September 18, 2019Publication date: February 17, 2022Applicant: SHIROKI CORPORATIONInventors: Jun KIMURA, Takashi KAMEYAMA
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Patent number: 11251680Abstract: A deceleration device according to an embodiment includes a driven gear configured to rotate about a rotational axis by driving power of a drive mechanism; a deceleration unit including a plurality of gears including a first gear and a second gear, the first gear that rotates by the driven gear, the second gear that rotates about the rotational axis, the deceleration unit configured to rotate the second gear at a reduced speed with respect to the driven gear; a first contact included in the second gear; and a second contact provided separately from the driven gear and the plurality of gears and configured to come into contact with the first contact to stop the rotation of the second gear.Type: GrantFiled: October 30, 2017Date of Patent: February 15, 2022Assignee: SHIROKI CORPORATIONInventors: Kohei Izuchi, Masao Noguchi, Toshiaki Nagata
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Publication number: 20220032748Abstract: A vehicle door frame includes a pillar and a bridging member. The bridging member is connected to a lower part of the pillar and extends in a longitudinal direction of a vehicle. The pillar and the bridging member are bonded together by a plurality of weld beads. Each of the weld beads is apart from another weld bead and from an extension line of the another weld bead.Type: ApplicationFiled: September 18, 2019Publication date: February 3, 2022Applicant: SHIROKI CORPORATIONInventors: Jun KIMURA, Tetsunori SAKATA
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Publication number: 20220032754Abstract: A vehicle door frame includes a pillar, a frame molding, and a welded part. The pillar has a first abutting surface and a first outer surface. The upper frame has a second abutting surface and a second outer surface. The frame molding extends along the upper frame to cover an outside of the upper frame in the lateral direction of a vehicle, and has an inner surface facing the first outer surface and the second outer surface with a gap. The welded part is located at a boundary between the first outer surface and the second outer surface, extends along the first abutting surface and the second abutting surface, faces the inner surface, and bonds the pillar and the upper frame together.Type: ApplicationFiled: September 17, 2019Publication date: February 3, 2022Applicant: SHIROKI CORPORATIONInventors: Jun KIMURA, Takashi KAMEYAMA
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Patent number: 11235683Abstract: The vehicle seat slide apparatus includes a lower rail, an upper rail, a locking spring for restricting movement of the upper rail by engaging with the lower rail, and an unlocking member that releases an engagement state between the locking spring and the lower rail to release movement restriction of the upper rail. The unlocking member is located inside the locking spring in both a longitudinal direction and a width direction of the upper rail, the unlocking member is rotatably attached to a mounting member, and a wire support wall that supports a wire for operating the unlocking member is connected to the mounting member.Type: GrantFiled: March 4, 2021Date of Patent: February 1, 2022Assignee: SHIROKI CORPORATIONInventors: Takuya Nishio, Kohei Nishimoto
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Publication number: 20210370806Abstract: A seat apparatus includes plural links configured to be attached to a base member, a seat cushion frame supported by the links, and a connecting member. The seat cushion frame includes a pair of side walls connected by the connecting member, and a contact portion on at least one of the pair of side walls. At least one of the links includes a first end portion, a second end portion, and a projecting portion projecting from the second end portion. The first end portion is rotatably connectable to the base member directly or indirectly about a first rotation axis, the second end portion is rotatably connectable to the side wall directly or indirectly about a second rotation axis, and the projecting portion is configured such that at least when the seat cushion frame is moved to the highest position, a predetermined portion of the projecting portion faces the contact portion.Type: ApplicationFiled: May 7, 2021Publication date: December 2, 2021Applicant: SHIROKI CORPORATIONInventors: Naoki HAYASHI, Yuki ABE