Patents Assigned to Mitsui Kinzoku Act Corporation
  • Publication number: 20240102334
    Abstract: The size of a driving portion for a sliding door is reduced. Drive mechanism drives sliding door that can move along rail provided in a lower part of a vehicle. Drive mechanism comprises: door opening and closing cables each having first end that is fixed to sliding door; and driving portion to which a. second end of door opening cable and a second end of door closing cable are fixed, wherein driving portion drives door opening cable and door closing cable. Driving portion includes: door opening drum to which the second end of door opening cable is fixed and onto which door opening cable is wound; and door closing drum to which the second end of door closing cable is fixed and onto which door closing cable is wound. Door opening drmn and door closing drum are arranged along rail between a front end and a rear end of rail.
    Type: Application
    Filed: November 2, 2020
    Publication date: March 28, 2024
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventors: Kazuyuki Sasaki, Shinichiro Kita
  • Patent number: 11939797
    Abstract: A door lock device includes: a latch; a ratchet; an outer lever; an open link; a first elastic member; an inertia lever; a second elastic member; a fitting hole provided to an acting piece protruding from the inertia lever; and a protrusion provided to the open link, wherein when an inertial force equal to or greater than a set value is exerted in a direction from an interior to an exterior, the inertia lever rotate against a biasing force of the second elastic member, the acting piece press the protrusion, the open link swing against a biasing force of the first elastic member by the protrusion being pressed by the acting piece, and the protrusion becomes fitted inside the fitting hole which achieves an inertia engagement configuration in which the inertia lever is kept at the blocking position and the open link is kept at the inertia engaging position.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: March 26, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Takao Taga
  • Patent number: 11939798
    Abstract: An opening and closing device for a vehicle sliding door, including: a latch; a ratchet; a power closer; a closing lever configured to rotate the latch in a closing direction from a half latched position to a fully latched position, by being rotated by motor power of the power closer; a cancel lever configured to shift between: a coupling position where rotation of the closing lever is transmitted to the latch; and a cancel position where rotation of the closing lever is not transmitted to the latch; and a first lever and a second lever configured to move the cancel lever from the coupling position to the cancel position by operation of an operating handle of a sliding door, wherein the cancel lever includes a non-flat reinforced contacting part to which the first lever and the second lever are independently configured to brought into contact.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 26, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shuntaro Kimura, Naoki Hanaki
  • Patent number: 11920385
    Abstract: The present invention is a sensor assembly that is used in a door lock device provided with a latch, a ratchet, a drive unit that drives the ratchet and releases the engagement of the ratchet and the latch, and a case that accommodates the drive unit, the sensor assembly being provided with a sensor that detects the action of the ratchet when the engagement of the ratchet and the latch is released, wherein the sensor assembly is provided with: a connector that holds connection conductors electrically connected to the sensor, and is attached to the case; a sensor base that holds the sensor; a plurality of electric wires that connect the plurality of connection conductors and a plurality of terminal portions of the sensor; and a waterproofing material that comprises a photo-curing resin for covering, along with the sensor base, connecting portions of the terminal portions and the electric wires.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: March 5, 2024
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Fuyuki Nakatsuka, Shuntaro Kimura, Nao Mizumoto
  • Patent number: 11898381
    Abstract: A waterproof structure of a door latch device, in which one end part of a cable is connected to an input lever including one end part projecting toward outside of a case, includes a cover including: a cover main body having a box shape with a cover opening, the cover main body being configured to house the one end part of the input lever and the one end part of the cable via the cover opening when the cover main body abuts on the case; and a cover supporting body extending from the cover main body. The cover is attached to the case via the cover supporting body in a state in which the cover main body is movable between a closed position at which the cover main body abuts on the case and an opened position at which the cover main body is separated from the case.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 13, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yosuke Kitamura, Tatsuya Takayama
  • Patent number: 11898383
    Abstract: A hood lock device has a base plate having a striker groove, a primary latch configured to fasten a hood in a totally closed state, and a secondary latch, the secondary latch has a latch main body of steel and a handle of resin, and the latch main body has a forcing meshing portion configured to come into engagement with a striker passing across a half opening position and moving to a totally closing position and to be pressed in a latching direction opposite to an unlatching direction by the striker in a case that a hook portion configured to lock the striker recedes from the striker groove and a mounting portion provided adjacent to the forcing meshing portion and on which the handle is mounted.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: February 13, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Kumiko Sato
  • Patent number: 11901661
    Abstract: A vehicle door lock device includes: a housing; electrical components including internal pins; and a terminal electrically connected to the internal and including coupling portions coupling conductive portions. Further, electric circuits of the electrical components are formed when the conductive portions are disconnected by cutting off the coupling portions, the housing includes: positioning protruding portions that protrudes at a right angle with respect to installation portions; and fitting grooves that are opened in a direction parallel to a protruding direction of the positioning protruding portions, and the terminal includes: the conductive portions; positioning holes into which the positioning protruding portions are inserted; connector pins bent at a right angle, and are fitted into the fitting grooves; and electrical component pins bent at a right angle, and are configured to be electrically connected to the electrical components when inserted into the internal pins of the electrical components.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: February 13, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shuntaro Kimura, Takao Taga
  • Patent number: 11891841
    Abstract: An opening and closing device of a vehicle sliding door includes: a fully closed latch mechanism; a fully opened latch mechanism; a power releaser; a power closer; a canceler; a lock mechanism; and a relay control mechanism that includes an inner handle. The lock mechanism, the power releaser, and the canceler are disposed in the fully closed latch mechanism. The relay control mechanism includes a handle lever configured to, when a door opening operation is performed on the inner handle, rotate in a first direction to unlatch the fully closed latch mechanism and activate the cancel mechanism, and when a door closing operation is performed on the inner handle, rotate in a second direction to unlatch the fully opened latch mechanism. The inner handle is pivotally supported by the handle case of the relay control mechanism so as to be rotatable in two directions.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: February 6, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shigenori Hiramoto, Naoki Hanaki
  • Patent number: 11891842
    Abstract: An actuation transmission mechanism comprising a transmitting member that is pivotably supported to pivot in at least one driving direction from a predetermined initial position to be capable of transmitting its pivoting motion to a transmitted member that is pivotably supported in the vicinity of the transmitting member to pivot in at least one driven direction from a predetermined driven initial position, wherein the transmitting member has a formation such that when the transmitting member pivots from the initial position in the one driving direction, the transmitting member abuts against the transmitted member to make the transmitted member pivot in the one driven direction from the driven initial position to a predetermined detection position, and thereafter, though the transmitting member subsequently pivots in the one driving direction further, the transmitting member does not make the transmitted member pivot overly to a large extent in the one driven direction from the detection position.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: February 6, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yuji Yoda, Ryo Miyanaga
  • Patent number: 11859418
    Abstract: A latch device including: a latch mechanism configured to hold a door at a closing position; an electric releasing mechanism configured to release meshing of the latch mechanism; a manual releasing mechanism configured to release meshing of the latch mechanism; and a lock configured to switch between a locked state of the manual releasing mechanism and an unlocked state, wherein the electric releasing mechanism is configured to switch the lock from the locked state to the unlocked state by releasing meshing of the latch mechanism and switch the lock from the unlocked state to the locked state when a rotating cam returns to a reference position by a biasing force of a spring, when the lock is in the locked state and the rotating cam rotates by a predetermined angle in a first direction from the reference position by power of a motor against a biasing force of the spring.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: January 2, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shintaro Okawa, Hirotaka Nishijima
  • Patent number: 11725426
    Abstract: A vehicle door locking device includes a case fixed to a door, a latch that locks a striker, a ratchet that holds the latch in the latching orientation, and shifts the latch from the latching orientation to the unlatching orientation, an outer handle lever that is rotated in conjunction with an opening operation, and an inertia part that maintains the orientation of the inertial part while being urged by an urging member, and that, when an external force from the one end side toward the other end side of the vehicle body, restricts rotation of the outer handle lever.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: August 15, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Taichiro Nagata, Yasuhiro Kubota
  • Patent number: 11708711
    Abstract: A vehicle door latch device includes: a latch body including: a latch secured by a latch shaft on a rear surface side of the latch body, the latch being configured to engage with a striker; a ratchet secured by a ratchet shaft on the rear surface side of the latch body, the ratchet being configured to engage with the latch; and a striker advancing path into which the striker advances relatively; a motor configured to release the ratchet from the latch; and an actuator case provided continuously on top of the latch body, the actuator case being configured to accommodate the motor.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: July 25, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Shintaro Okawa, Shunsuke Tamura
  • Patent number: 11674341
    Abstract: A vehicle door latch apparatus has a latch that is engaged with a striker; a ratchet member rotatably supported by a ratchet shaft and that has a pawl portion, wherein the pawl portion is movable between a latch engaging position, where the pawl portion can face a full latch engaging portion of the latch, and a latch releasing position, where the pawl portion is not in contact with the full latch engaging portion, wherein release component force is generated in a latch releasing direction when latch return force is applied in a releasing direction at the latch engaging position, and the ratchet member is pushed out from the latch engaging position to the latch releasing position by the release component force; a ratchet restraint that is arranged on a side of the ratchet member and that can be moved about a pin between a block position and a release position.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: June 13, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Takuya Kakumae, Shintaro Okawa, Makoto Kaburaki
  • Patent number: 11661770
    Abstract: A door lock device pair includes right and left door lock devices; each of the door lock devices including: a housing; a coupler wall projecting from the housing; a flat portion formed on the housing; and a waterproof seal fixed to the flat portion and being wrapped around the coupler wall, the waterproof seal including: inner and outer peripheral surfaces; and an inclined surface that forms an acute angle with respect to the inner peripheral surface and an obtuse angle at another end of the inclined surface, the inner peripheral surface being in contact with the outer peripheral wall and being in contact with the inclined surface, and the waterproof seals in the door lock devices having the same shape, and the waterproof seals being wrapped around the respective outer peripheral walls in the same direction.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 30, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yosuke Matsuda, Takao Taga, Shuntaro Kimura, Akiya Okuda
  • Publication number: 20230098726
    Abstract: 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: Application
    Filed: July 29, 2020
    Publication date: March 30, 2023
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yoshiaki YOKOTA, Kohei YAMASHITA
  • Publication number: 20230088077
    Abstract: 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: Application
    Filed: July 29, 2020
    Publication date: March 23, 2023
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yoshiaki YOKOTA, Kohei YAMASHITA
  • Patent number: 11608664
    Abstract: Vehicle door latch apparatus has; latch that engages strike and that rotates from an unlatched position to a full-latch over rotating position; ratchet member that is rotatably supported by ratchet shaft, wherein ratchet member has pawl portion that is movable between a latch engaging position, where pawl portion can face full-latching engaging portion of latch, and a latch releasing position, where pawl portion is not engaged with full-latching engaging portion; and ratchet restrainer that is positioned on a side of ratchet member and that restrains ratchet member. Ratchet member is configured to be pushed out from latch engaging position to a latch releasing position by release component force F2 that acts on ratchet member in a latch releasing direction, wherein release component force F2 is generated when latch returning force that acts on latch is applied to ratchet member at the latch engaging position.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: March 21, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Hirotaka Nishijima, Shintaro Okawa, Katsuyuki Ishiguro, Shunsuke Tamura, Hibiki Ogura
  • Publication number: 20230042549
    Abstract: There are provided a new and improved control device, control method, and storage medium that can further reduce a user's burden. A control device includes a control section configured to control opening and closing of a structure. the control section controls an opening operation or a closing operation of the structure to match an operation direction of the structure obtained by a sensor provided to the structure, and the control section further controls the closing operation of the structure until the structure is fully closed when the operation direction of the structure obtained by the sensor is a closing direction, and controls the opening operation of the structure until the structure is fully opened when the operation direction of the structure obtained by the sensor is an opening direction.
    Type: Application
    Filed: July 6, 2022
    Publication date: February 9, 2023
    Applicants: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, MITSUI KINZOKU ACT CORPORATION
    Inventors: Toshihiro TSUTSUI, Shingo MOCHIZUKI, Hibiki OGURA
  • Patent number: 11555338
    Abstract: A power unit for a powered cinching mechanism with a favorable level of operational noise is provided. A door latch apparatus includes latch unit and power unit. Latch unit has latch that engages striker, ratchet that engages latch and first cinching lever that displaces latch from a half-latched position to a full-latched position. Latch unit is attached to an end portion of a vehicle door. Power unit includes motor, cable drum, deceleration mechanism and closed-type housing that houses them. Operational noise at 300 mm right above the housing of power unit is 42.2 to 40.9 dB at a supply voltage to the motor of 9V, 47.5 to 43.9 dB at a supply voltage of 12V, and 49.7 to 46.5 dB at a supply voltage of 16 V. Deceleration mechanism includes a worm gear and a helical gear.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: January 17, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Tomoharu Nagaoka, Hiroaki Fujiwara
  • Patent number: 11555337
    Abstract: A vehicle door latch apparatus has latch mechanism, powered release means, manual release means and lock mechanism that is switched between a locked state and an unlocked state. Powered release means has cam wheel that is rotated in normal and in reverse rotational directions from a reference position by motor power. When cam wheel is rotated in the normal rotational direction from the reference position, latch mechanism is released while lock mechanism is held in the locked state When cam wheel is rotated in the reverse rotational direction from the reference position, cam wheel switches lock mechanism to the unlocked state. Cam wheel returns lock mechanism to the locked state when cam wheel is rotated in the normal rotational direction back to the reference position in the unlocked state.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: January 17, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Shunsuke Tamura, Shintaro Okawa