Patents by Inventor Yoshiaki Yokota
Yoshiaki Yokota has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20250052105Abstract: Regarding a vehicle-opening/closing-body driving device comprising a driving assembly having a driving actuator, a casing housing the driving assembly and fixed inside either one of an opening/closing body and a vehicle body, and a coupling mechanism coupling the driving assembly with the other of the opening/closing body and the vehicle body, wherein an output shaft of the driving actuator and the coupling mechanism are arranged to be parallel on a vertical plane perpendicular to a pivoting locus plane of the opening/closing body, it is configured that the coupling mechanism is pivotably supported inside the casing by a pivoting shaft in a vertical direction perpendicular to the pivoting locus plane of the opening/closing body to make the coupling mechanism pivot with respect to the casing according to the opening/closing operation of the opening/closing body.Type: ApplicationFiled: August 7, 2024Publication date: February 13, 2025Inventors: Kiichi NOGUCHI, Yoshiaki YOKOTA
-
Patent number: 12195098Abstract: An opening/closing mechanism for a tail gate includes a hinge device configured to rotate the tail gate relative to side walls, and a latch device configured for engagement with a striker provided on the side wall to hold the tail gate in a closed state. The hinge device includes an electric driving device provided on the tail gate and configured to rotate the tail gate by means of a motor, and a coupling configured to couple a body-side engagement portion provided on the side wall and an output shaft of the electric driving device together. The output shaft of the electric driving device fits in a fitting hole portion in a first cylindrical portion formed at one end side of the coupling, and the body-side engagement portion fits in a fitting recessed portion in a second cylindrical portion formed at the other end side of the coupling.Type: GrantFiled: July 29, 2020Date of Patent: January 14, 2025Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Yoshiaki Yokota, Kohei Yamashita
-
Publication number: 20240229519Abstract: A vehicle door operating device includes: a casing including a base; a latch supported on the base in a manner of being pivotally movable by a shaft oriented in up-down directions; a ratchet supported on the base in a manner of being pivotally movable by a shaft oriented upward and downward; a motor arranged in the casing such that a rotary shaft is oriented leftward and rightward; and a lead screw supported in the casing in a pivotally movable manner such that a rotation axial direction is oriented in left-right directions, having a gear part engaging with a pinion gear of the motor and a spiral groove line part with which an operated part provided in the ratchet directly engages, and moving the ratchet from the engagement position to the release position by one rotation in one direction in accordance with rotation of the rotary shaft of the motor.Type: ApplicationFiled: October 23, 2023Publication date: July 11, 2024Inventor: Yoshiaki YOKOTA
-
Publication number: 20240133217Abstract: A vehicle door operating device includes: a casing including a base; a latch supported on the base in a manner of being pivotally movable by a shaft oriented in up-down directions; a ratchet supported on the base in a manner of being pivotally movable by a shaft oriented upward and downward; a motor arranged in the casing such that a rotary shaft is oriented leftward and rightward; and a lead screw supported in the casing in a pivotally movable manner such that a rotation axial direction is oriented in left-right directions, having a gear part engaging with a pinion gear of the motor and a spiral groove line part with which an operated part provided in the ratchet directly engages, and moving the ratchet from the engagement position to the release position by one rotation in one direction in accordance with rotation of the rotary shaft of the motor.Type: ApplicationFiled: October 22, 2023Publication date: April 25, 2024Inventor: Yoshiaki YOKOTA
-
Publication number: 20230098726Abstract: An opening/closing mechanism for a tail gate includes a hinge device configured to rotate the tail gate relative to side walls, and a latch device configured for engagement with a striker provided on the side wall to hold the tail gate in a closed state. The hinge device includes an electric driving device provided on the tail gate and configured to rotate the tail gate by means of a motor, and a coupling configured to couple a body-side engagement portion provided on the side wall and an output shaft of the electric driving device together. The output shaft of the electric driving device fits in a fitting hole portion in a first cylindrical portion formed at one end side of the coupling, and the body-side engagement portion fits in a fitting recessed portion in a second cylindrical portion formed at the other end side of the coupling.Type: ApplicationFiled: July 29, 2020Publication date: March 30, 2023Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Yoshiaki YOKOTA, Kohei YAMASHITA
-
Publication number: 20230088077Abstract: In a latch device for holding a tail gate in a closed state by being brought into engagement with a striker provided on a side wall of a loading space, a main shaft, which supports a claw and a ratchet, is supported in a base plate at a right end portion and is supported in a right side portion of a housing at an intermediate portion, which is positioned between the claw and the ratchet, and a pawl shaft, which supports a pawl, is supported in the right side portion of the housing at a right end portion. A first seal member is provided between the main shaft and the right side portion of the housing, and a second seal member is provided between the pawl shaft and the right side portion of the housing.Type: ApplicationFiled: July 29, 2020Publication date: March 23, 2023Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Yoshiaki YOKOTA, Kohei YAMASHITA
-
Patent number: 11529694Abstract: An object of the present invention is to provide a replaceable-blade-type saw in which a handle fitting part can be insertably engaged in a guide member even if the width dimension of the handle fitting part is greater than the width dimension of the guide member. In a handle fitting part 3 of a saw blade 1 is formed a slit part 8, which is configured from a first slit part 6 formed inward from the side edge part of the handle fitting part 3, and a second slit part 7 formed as a continuation of the first slit part 6 as well as being formed toward the distal end side of the handle fitting part 3 from an inner end part 6A of the first slit part 6, and a slit outer-side part 9 positioned on the outer side of the slit part 8 of the handle fitting part 3 is elastically moved or elastically deformed inward by the slit part 8 when bearing external force exerted inward from the side-edge-part side.Type: GrantFiled: June 30, 2017Date of Patent: December 20, 2022Assignee: TAKAGI CO., LTD.Inventors: Masashi Ishida, Yoshiaki Yokota
-
Patent number: 11352819Abstract: A door lock device including: a latch; a ratchet; an output shaft configured to rotate by a motor; an output lever configured to move the latch from a half latch position to a full latch position when the output shaft is rotated in a normal direction, and to release an engagement of the ratchet to the latch when the output shaft is rotated in a reverse direction; a first metal bracket including a first shaft support hole configured to rotatably support the output shaft; and a second metal bracket including a second shaft support hole configured to rotatably support the output shaft at a location different from that of the first shaft support hole, wherein the first metal bracket and the second metal bracket are fixed to each other by two or more screw holes of the first metal bracket and two or more holes of the second metal bracket.Type: GrantFiled: January 6, 2020Date of Patent: June 7, 2022Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Yoshiaki Yokota, Naoto Fujiwara, Makoto Kondo
-
Patent number: 11174662Abstract: A drive apparatus includes a sun gear, a ring gear, a carrier which supports planetary gears, a drive source which drives the ring gear as an input element, and fixing mechanism which fixes selectively one output element of the sun gear as a first output element and the carrier as a second output element so as not to rotate, and driving force is outputted from the other output element which is other than the one output element of the sun gear and the carrier fixed by the fixing mechanism.Type: GrantFiled: December 22, 2017Date of Patent: November 16, 2021Assignee: GECOM CORPORATIONInventor: Yoshiaki Yokota
-
Publication number: 20210299770Abstract: An object of the present invention is to provide a replaceable-blade-type saw in which a handle fitting part can be insertably engaged in a guide member even if the width dimension of the handle fitting part is greater than the width dimension of the guide member. In a handle fitting part 3 of a saw blade 1 is formed a slit part 8, which is configured from a first slit part 6 formed inward from the side edge part of the handle fitting part 3, and a second slit part 7 formed as a continuation of the first slit part 6 as well as being formed toward the distal end side of the handle fitting part 3 from an inner end part 6A of the first slit part 6, and a slit outer-side part 9 positioned on the outer side of the slit part 8 of the handle fitting part 3 is elastically moved or elastically deformed inward by the slit part 8 when bearing external force exerted inward from the side-edge-part side.Type: ApplicationFiled: June 30, 2017Publication date: September 30, 2021Applicant: TAKAGI CO., LTD.Inventors: Masashi ISHIDA, Yoshiaki YOKOTA
-
Publication number: 20200224463Abstract: A door lock device including: a latch; a ratchet; an output shaft configured to rotate by a motor; an output lever configured to move the latch from a half latch position to a full latch position when the output shaft is rotated in a normal direction, and to release an engagement of the ratchet to the latch when the output shaft is rotated in a reverse direction; a first metal bracket including a first shaft support hole configured to rotatably support the output shaft; and a second metal bracket including a second shaft support hole configured to rotatably support the output shaft at a location different from that of the first shaft support hole, wherein the first metal bracket and the second metal bracket are fixed to each other by two or more screw holes of the first metal bracket and two or more holes of the second metal bracket.Type: ApplicationFiled: January 6, 2020Publication date: July 16, 2020Inventors: Yoshiaki Yokota, Naoto Fujiwara, Makoto Kondo
-
Patent number: 10570649Abstract: A door lock apparatus has a lock mechanism for holding a vehicle door in a closed state, an assisting mechanism for assisting in closing and/or opening the vehicle door, and a driving portion for operating the assisting mechanism, and the driving portion has a plurality of motors in which output shafts are disposed parallel to each other and pinion gears are provided individually on the output shafts, a rotational shaft which is disposed parallel to the respective output shafts of the plurality of motors, an internal ring gear which is fixed to a first end portion of the rotational shaft and which meshes with the respective pinion gears of the plurality of motors, and a worm which is fixed to a second end portion of the rotational shaft and which is configured to transmit power to the assisting mechanism.Type: GrantFiled: August 17, 2017Date of Patent: February 25, 2020Assignee: GECOM CORPORATIONInventor: Yoshiaki Yokota
-
Publication number: 20190055755Abstract: A door lock apparatus has a lock mechanism for holding a vehicle door in a closed state, an assisting mechanism for assisting in closing and/or opening the vehicle door, and a driving portion for operating the assisting mechanism, and the driving portion has a plurality of motors in which output shafts are disposed parallel to each other and pinion gears are provided individually on the output shafts, a rotational shaft which is disposed parallel to the respective output shafts of the plurality of motors, an internal ring gear which is fixed to a first end portion of the rotational shaft and which meshes with the respective pinion gears of the plurality of motors, and a worm which is fixed to a second end portion of the rotational shaft and which is configured to transmit power to the assisting mechanism.Type: ApplicationFiled: August 17, 2017Publication date: February 21, 2019Applicant: GECOM CORPORATIONInventor: Yoshiaki YOKOTA
-
Publication number: 20180187459Abstract: A drive apparatus includes a sun gear, a ring gear, a carrier which supports planetary gears, a drive source which drives the ring gear as an input element, and fixing mechanism which fixes selectively one output element of the sun gear as a first output element and the carrier as a second output element so as not to rotate, and driving force is outputted from the other output element which is other than the one output element of the sun gear and the carrier fixed by the fixing mechanism.Type: ApplicationFiled: December 22, 2017Publication date: July 5, 2018Applicant: GECOM CORPORATIONInventor: Yoshiaki YOKOTA
-
Patent number: 9487973Abstract: A linkage mechanism includes a first link rotatably supported on a fixed shaft, a second link rotatably supported on a latch shaft, and an intermediate link that is rotatably connected to the first link by a first link shaft and rotatably connected to the second link by a second link shaft. While the linkage mechanism moves a latch from a half-latch position into a full-latch position, the first link shaft moves in an area on one side of a plane serving as a boundary including a shaft center of the fixed shaft and a shaft center of the latch shaft, and the second link shaft moves in an area on the other side of the plane serving as the boundary.Type: GrantFiled: March 4, 2014Date of Patent: November 8, 2016Assignee: MITSUI KINZOKU ACT CORPORATIONInventor: Yoshiaki Yokota
-
Patent number: 9290969Abstract: A vehicle door latch device comprises a base member having a striker-engagement groove which a striker of a vehicle body enters; a latch pivotally mounted to the base member and engagable with the striker; a ratchet pivotally mounted to the base member to engage with the latch to prevent the latch from turning; a latch-detecting switch detecting a turning position of the latch; and a synthetic resin terminal block in which a latch conductive plate is insert-molded. The terminal block has a holding portion that can hold the latch-detecting switch with an elastic claw. The latch conductive plate has a connecting terminal exposed in the holding portion and electrically connected to the latch detecting switch.Type: GrantFiled: August 22, 2012Date of Patent: March 22, 2016Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Yoshiaki Yokota, Minetaka Katagawa
-
Publication number: 20140252783Abstract: A linkage mechanism includes a first link rotatably supported on a fixed shaft, a second link rotatably supported on a latch shaft, and an intermediate link that is rotatably connected to the first link by a first link shaft and rotatably connected to the second link by a second link shaft. While the linkage mechanism moves a latch from a half-latch position into a full-latch position, the first link shaft moves in an area on one side of a plane serving as a boundary including a shaft center of the fixed shaft and a shaft center of the latch shaft, and the second link shaft moves in an area on the other side of the plane serving as the boundary.Type: ApplicationFiled: March 4, 2014Publication date: September 11, 2014Applicant: MITSUI KINZOKU ACT CORPORATIONInventor: Yoshiaki YOKOTA
-
Publication number: 20130049379Abstract: A vehicle door latch device comprises a base member having a striker-engagement groove which a striker of a vehicle body enters; a latch pivotally mounted to the base member and engagable with the striker; a ratchet pivotally mounted to the base member to engage with the latch to prevent the latch from turning; a latch-detecting switch detecting a turning position of the latch; and a terminal block in which a latch conductive plate is formed by insert molding. The terminal block has a holding portion for the latch-detecting switch without coupling means. The latch conductive plate has a connecting terminal exposed in the holding portion and electrically connected to the latch detecting switch.Type: ApplicationFiled: August 22, 2012Publication date: February 28, 2013Inventors: Yoshiaki YOKOTA, Minetaka KATAGAWA
-
Patent number: 7121043Abstract: A connecting rod is provided with a bent portion in a substantially middle part thereof so that a lower section of the connecting rod below the substantially middle part in a vertical direction may be inclined, with respect to the longitudinal direction of a guide rail, toward a center of an opening, and at the same time, an upper section of the connecting rod above the substantially middle part may be substantially in parallel to the longitudinal direction of the guide rail and offset from a side face of the guide rail directed to the center of the opening toward the center of the opening, when the connecting rod is in a position corresponding to a closed position of an open/close member.Type: GrantFiled: April 28, 2004Date of Patent: October 17, 2006Assignee: Ohi Seisakusho Co., Ltd.Inventor: Yoshiaki Yokota
-
Patent number: 7014248Abstract: A rear gate is constructed to be opened and closed by a driving unit installed on a vehicle body side, and the driving unit is constructed to have a motor which can rotate both in normal and reverse directions, a gearbox to which a pinion is pivotally attached for reducing the rotating speed of the motor for output, and a rack adapted to reciprocate in directions normal to an axial direction of a hinge shaft by virtue of the rotation of the pinion and connected to the rear gate at one end thereof. An electromagnetic clutch for connecting and disconnecting a power transmission path between an output shaft of the motor and the pinion is provided in the interior of the gearbox, so that the rack is disposed above or below the gearbox at a position directly above or below the clutch.Type: GrantFiled: March 25, 2003Date of Patent: March 21, 2006Assignees: Ohi Seisakusho Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Yoshiaki Yokota, Masahiro Tanigawa, Kenichi Munenaga