Patents by Inventor Naoki Hanaki
Naoki Hanaki 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).
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Patent number: 11939798Abstract: 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: GrantFiled: January 6, 2021Date of Patent: March 26, 2024Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Shuntaro Kimura, Naoki Hanaki
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Patent number: 11891841Abstract: 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: GrantFiled: January 7, 2021Date of Patent: February 6, 2024Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Shigenori Hiramoto, Naoki Hanaki
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Patent number: 11414898Abstract: An automobile door latch device includes: a mesh mechanism; a body; a base; and an operation mechanism disposed on the base, the operation mechanism including: an outside lever configured to receive an operating force of an outside handle to perform open actuation; a first open lever configured to perform open actuation in conjunction with open actuation of the outside lever; a locking/unlocking mechanism; a second open lever configured to perform open actuation in conjunction with open actuation of the first open lever output from the locking/unlocking mechanism; and a fully open release lever configured to perform open actuation in conjunction with open actuation of the first open lever, wherein the fully open release lever is connected to an operating force transmission member configured to transmit the open actuation of the fully open release lever to a fully opening latch device for holding the slide door in a fully open position.Type: GrantFiled: January 29, 2020Date of Patent: August 16, 2022Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Keiichiro Okuyama, Toshitaka Matsuoka, Naoki Hanaki, Shigenori Hiramoto, Shintaro Okawa
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Publication number: 20220065006Abstract: A motor-vehicle door latch device includes an engagement mechanism including a latch and a ratchet, a base plate fixed to a body housing the engagement mechanism, a casing fixed to the base plate such that a first side surface faces a side surface on a vehicle-exterior side of the base plate, a releasing mechanism including a releasing lever, a locking/unlocking mechanism enabling the ratchet to disengage from the latch and vice versa, an electric mechanism including a locking/unlocking motor and a releasing motor, and a closure mechanism rotating the latch from a half-latched position to a fully-latched position, wherein all members forming the releasing mechanism, the locking/unlocking mechanism, and the electric mechanism are arranged on a second side surface opposite the first side surface of the casing, and all members forming the closure mechanism are arranged between the first side surface of the casing and the base plate.Type: ApplicationFiled: August 30, 2021Publication date: March 3, 2022Inventors: Naoki HANAKI, Shuntaro KIMURA
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Publication number: 20210214977Abstract: 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: ApplicationFiled: January 6, 2021Publication date: July 15, 2021Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Shuntaro KIMURA, Naoki HANAKI
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Publication number: 20210214976Abstract: 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: ApplicationFiled: January 7, 2021Publication date: July 15, 2021Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Shigenori HIRAMOTO, Naoki HANAKI
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Publication number: 20200248486Abstract: An automobile door latch device includes: a mesh mechanism; a body; a base; and an operation mechanism disposed on the base, the operation mechanism including: an outside lever configured to receive an operating force of an outside handle to perform open actuation; a first open lever configured to perform open actuation in conjunction with open actuation of the outside lever; a locking/unlocking mechanism; a second open lever configured to perform open actuation in conjunction with open actuation of the first open lever output from the locking/unlocking mechanism; and a fully open release lever configured to perform open actuation in conjunction with open actuation of the first open lever, wherein the fully open release lever is connected to an operating force transmission member configured to transmit the open actuation of the fully open release lever to a fully opening latch device for holding the slide door in a fully open position.Type: ApplicationFiled: January 29, 2020Publication date: August 6, 2020Inventors: Keiichiro Okuyama, Toshitaka MATSUOKA, Naoki HANAKI, Shigenori HIRAMOTO, Shintaro OKAWA
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Patent number: 10358846Abstract: A vehicle door opening and closing apparatus includes: a closing latch mechanism having a first latch and a first ratchet; an opening latch mechanism having a second latch and a second ratchet; a release electric mechanism configured to operate the first ratchet to a released position; an opening latch interlocking mechanism configured to operate in a cancel direction from an initial position in association with movement of the second latch from the unlatched position to the latched position; a relay mechanism configured to enable returning of the first ratchet stopped at the released position by switching over from a connected state to a disconnected state; and a cable that is routed through inside of a door trim and that transmits the operation of the opening latch interlocking mechanism in the cancel direction to the relay mechanism.Type: GrantFiled: September 3, 2014Date of Patent: July 23, 2019Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoki Hanaki, Kohei Yamashita
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Patent number: 10214944Abstract: An opening-and-closing device for vehicle door includes: a close-latch mechanism which holds a door at a closed position; an open-latch mechanism which holds the door at an opened position; an electric-powered releasing mechanism which operates the close-latch mechanism; an open-latch interlocking mechanism which operates from an initial position toward a canceling direction in conjunction with an operation of the open-latch mechanism from an unlatched position to a latched position; and a relay mechanism which changes a state of a transmission path of releasing operation from a connected state to a disconnected state to allow returning of a first ratchet which has stopped in a releasing position.Type: GrantFiled: July 8, 2015Date of Patent: February 26, 2019Assignee: Mitsui Kinzoku Act CorporationInventors: Naoki Hanaki, Kohei Yamashita
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Patent number: 9970220Abstract: A vehicle door latch device includes: a latch unit configured to keep a vehicle door in a door-closed state by engaging with a striker of a vehicle body; a power release mechanism configured to make the vehicle door openable by releasing engagement between the latch unit and the striker; a disengagement mechanism installed in a path coupling the power release mechanism with the latch unit, the disengagement mechanism being configured to be switched between a connected state and a disconnected state; and a lever configured to switch the disengagement mechanism from the connected state to the disconnected state. The lever is configured to be connectable to both of a full-open position holder, operating when the vehicle door reaches a full-open position by door-opening slide, and a disengagement operating unit for manual operation.Type: GrantFiled: April 20, 2016Date of Patent: May 15, 2018Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Shigenori Hiramoto, Naoki Hanaki, Kohei Yamashita
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Patent number: 9855863Abstract: A lock device includes: a body having a striker insertion groove into which a striker is inserted; a hook lever shaft mounted to the body; and a hook lever rotatably mounted to the body via the hook lever shaft, and that moves to an engagement position where the hook lever is engaged with the striker inserted into the striker insertion groove, and that moves to a release position where the engagement with the striker is released. The lock device is rotatably supported by a support member so as to change an opening position of the striker insertion groove. The hook lever shaft is rotatably mounted to the body, and has a flange interposed between the body and the support member, and the body is supported by the support member so as to rotate about the hook lever shaft as a rotation shaft.Type: GrantFiled: February 4, 2013Date of Patent: January 2, 2018Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoki Hanaki, Naoya Seto
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Patent number: 9803407Abstract: A door opening and closing apparatus includes a rail module including: a rail member extending along a front-and-rear direction; a drive device mounted on the rail member; and a supporting member coupled to one end portion of a closing cable the other end portion of which is connected to the drive device and one end portion of an opening cable the other end portion of which is connected to the drive device. The rail module is provided with the drive device fastened to an outside of a vehicle body such that a part of the drive device goes inside the vehicle body through an opening provided on the vehicle body. A portion of a housing of the drive device located outside the vehicle body closes the opening while a sealing member is interposed therein.Type: GrantFiled: September 24, 2014Date of Patent: October 31, 2017Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoya Seto, Shuntaro Kimura, Naoki Hanaki
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Patent number: 9670703Abstract: An opening-and-closing device for vehicle door includes: a close-latch mechanism; an electric-powered releasing mechanism; an association mechanism; a relay mechanism; an electric open/close unit; and a control unit. The relay mechanism switches from a connection state to a disconnection state by the operation of an association mechanism in a cancellation direction to allow returning a first ratchet stopped at a release position. The control unit reversely controls the electric open/close unit, operates a door to be opened toward a fully opened position, operate the association mechanism in a cancellation direction, and switches the relay mechanism to the disconnection state, upon detection of operational malfunction of the electric-powered releasing mechanism during closing of the door from the fully opened position to a fully closed position by closing operation of the electric open/close unit.Type: GrantFiled: April 20, 2015Date of Patent: June 6, 2017Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoki Hanaki, Kohei Yamashita
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Patent number: 9670700Abstract: A door latch system for a vehicle includes: a latch interlocking mechanism arranged to be actuated in a release cancel direction from a neutral position to be interlocked with the pivot movement of the latch in a predetermined direction; and a release cancel mechanism arranged to be actuated from a connection state where an operation force transmitting path for transmitting the power of the electric driving mechanism to the ratchet is connected, to a disconnection state where the operation force transmitting path is disconnected, by the actuation of the latch interlocking mechanism in the release cancel direction from the neutral position, the release cancel mechanism being arranged to be actuated from the connection state to the disconnection state when the ratchet is in a release restriction state so as to enable the ratchet to return to the engagement position.Type: GrantFiled: September 11, 2013Date of Patent: June 6, 2017Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoki Hanaki, Kohei Yamashita
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Patent number: 9487109Abstract: A seat lock device includes an engagement portion engaged with a vehicle body member extending in a vehicle width direction on a rear side of a front wall of a rear parcel shelf. The rear parcel shelf forms an upper wall of a trunk room arranged on a rear side of a vehicle. The seat lock device is attached to the front wall of the rear parcel shelf, engaged with a striker provided to a rear face of a seat arranged in front of the trunk room to hold the seat in an erect posture, and releases an engagement state thereof with the striker by a release operation of a release operation member arranged in the trunk room.Type: GrantFiled: August 10, 2015Date of Patent: November 8, 2016Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Tsutomu Miyakoshi, Naoki Hanaki
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Publication number: 20160312500Abstract: A vehicle door latch device includes: a latch unit configured to keep a vehicle door in a door-closed state by engaging with a striker of a vehicle body; a power release mechanism configured to make the vehicle door openable by releasing engagement between the latch unit and the striker; a disengagement mechanism installed in a path coupling the power release mechanism with the latch unit, the disengagement mechanism being configured to be switched between a connected state and a disconnected state; and a lever configured to switch the disengagement mechanism from the connected state to the disconnected state. The lever is configured to be connectable to both of a full-open position holder, operating when the vehicle door reaches a full-open position by door-opening slide, and a disengagement operating unit for manual operation.Type: ApplicationFiled: April 20, 2016Publication date: October 27, 2016Inventors: Shigenori HIRAMOTO, Naoki HANAKI, Kohei YAMASHITA
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Publication number: 20160201361Abstract: A vehicle door opening and closing apparatus includes: a closing latch mechanism having a first latch and a first ratchet; an opening latch mechanism having a second latch and a second ratchet; a release electric mechanism configured to operate the first ratchet to a released position; an opening latch interlocking mechanism configured to operate in a cancel direction from an initial position in association with movement of the second latch from the unlatched position to the latched position; a relay mechanism configured to enable returning of the first ratchet stopped at the released position by switching over from a connected state to a disconnected state; and a cable that is routed through inside of a door trim and that transmits the operation of the opening latch interlocking mechanism in the cancel direction to the relay mechanism.Type: ApplicationFiled: September 3, 2014Publication date: July 14, 2016Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Naoki HANAKI, Kohei YAMASHITA
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Publication number: 20160201375Abstract: A door opening and closing apparatus includes a rail module including: a rail member extending along a front-and-rear direction; a drive device mounted on the rail member; and a supporting member coupled to one end portion of a closing cable the other end portion of which is connected to the drive device and one end portion of an opening cable the other end portion of which is connected to the drive device. The rail module is provided with the drive device fastened to an outside of a vehicle body such that a part of the drive device goes inside the vehicle body through an opening provided on the vehicle body. A portion of a housing of the drive device located outside the vehicle body closes the opening while a sealing member is interposed therein.Type: ApplicationFiled: September 24, 2014Publication date: July 14, 2016Inventors: Naoya SETO, Shuntaro KIMURA, Naoki HANAKI
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Patent number: 9376038Abstract: A seat lock apparatus includes a case member having a striker entrance groove and a hook lever that is provided rotatably via a hook shaft and is movable between an opening position and a restraining position where the hook lever closes an opening in a striker entrance groove. The apparatus is configured to position the hook lever in the restraining position while positioning the striker in the striker entrance groove when a seatback is erected. The striker entrance groove is formed such that when the striker enters the striker entrance groove and abuts against the hook lever positioned in the restraining position, only a portion of the case member, which is positioned closer to a central side of the seatback than the hook lever is in an axial direction of the hook shaft, is brought into abutment with the striker.Type: GrantFiled: July 24, 2014Date of Patent: June 28, 2016Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Naoya Seto, Naoki Hanaki, Kazuhito Yokomori
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Publication number: 20160107547Abstract: A seat lock device includes an engagement portion engaged with a vehicle body member extending in a vehicle width direction on a rear side of a front wall of a rear parcel shelf. The rear parcel shelf forms an upper wall of a trunk room arranged on a rear side of a vehicle. The seat lock device is attached to the front wall of the rear parcel shelf, engaged with a striker provided to a rear face of a seat arranged in front of the trunk room to hold the seat in an erect posture, and releases an engagement state thereof with the striker by a release operation of a release operation member arranged in the trunk room.Type: ApplicationFiled: August 10, 2015Publication date: April 21, 2016Inventors: Tsutomu MIYAKOSHI, Naoki HANAKI