Patents Assigned to Shiroki Corporation
  • Patent number: 11292369
    Abstract: 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: Grant
    Filed: May 7, 2021
    Date of Patent: April 5, 2022
    Assignee: SHIROKI CORPORATION
    Inventors: Naoki Hayashi, Yuki Abe
  • Patent number: 11279209
    Abstract: 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: Grant
    Filed: November 9, 2018
    Date of Patent: March 22, 2022
    Assignee: SHIROKI CORPORATION
    Inventors: Yoshimasa Ishiguro, Katsuhisa Fukui, Tomoaki Fukatami, Kazuhito Nakajima, Masako Sekine, Natsuki Ito, Kimihiro Kinoshita
  • Patent number: 11273690
    Abstract: 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: Grant
    Filed: November 9, 2018
    Date of Patent: March 15, 2022
    Assignee: SHIROKI CORPORATION
    Inventor: Tomoaki Fukatami
  • Publication number: 20220056986
    Abstract: 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: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Applicant: SHIROKI CORPORATION
    Inventors: Mitsugu TANIGUCHI, Masayuki SHIBATA
  • Publication number: 20220048368
    Abstract: 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: Application
    Filed: September 18, 2019
    Publication date: February 17, 2022
    Applicant: SHIROKI CORPORATION
    Inventors: Jun KIMURA, Takashi KAMEYAMA
  • Patent number: 11251680
    Abstract: 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: Grant
    Filed: October 30, 2017
    Date of Patent: February 15, 2022
    Assignee: SHIROKI CORPORATION
    Inventors: Kohei Izuchi, Masao Noguchi, Toshiaki Nagata
  • Publication number: 20220032748
    Abstract: 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: Application
    Filed: September 18, 2019
    Publication date: February 3, 2022
    Applicant: SHIROKI CORPORATION
    Inventors: Jun KIMURA, Tetsunori SAKATA
  • Publication number: 20220032754
    Abstract: 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: Application
    Filed: September 17, 2019
    Publication date: February 3, 2022
    Applicant: SHIROKI CORPORATION
    Inventors: Jun KIMURA, Takashi KAMEYAMA
  • Patent number: 11235683
    Abstract: 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: Grant
    Filed: March 4, 2021
    Date of Patent: February 1, 2022
    Assignee: SHIROKI CORPORATION
    Inventors: Takuya Nishio, Kohei Nishimoto
  • Publication number: 20210370806
    Abstract: 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: Application
    Filed: May 7, 2021
    Publication date: December 2, 2021
    Applicant: SHIROKI CORPORATION
    Inventors: Naoki HAYASHI, Yuki ABE
  • Publication number: 20210363790
    Abstract: A lock device includes a latch configured to rotate between a full latch position and an unlatch position, a pawl configured to rotate between a hook position and a retracted position, an open lever configured to rotate the pawl to the retracted position, and a drive lever including an open lever pushing portion. When rotated in a first direction, the open lever pushing portion rotates the open lever in an open direction. During an open action, the open lever pushing portion rotates in the first direction while rotating the open lever in the open direction at least until the latch starts an unlatch action, and rotates in the first direction without rotating the open lever in the open direction after the latch starts the unlatch action.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 25, 2021
    Applicant: SHIROKI CORPORATION
    Inventors: Atsuyuki MASUDA, Hideo MORIMOTO
  • Patent number: 11149802
    Abstract: A clutch unit used for a vehicle seat includes an input side clutch is configured such that one member of the input side inner ring member and the input side outer ring member rotates with a rotation of the operation lever, and the other member of the input side inner ring member and the input side outer ring member is rotated via the input side transmission member, so that the rotation of the operation lever is transmitted to the output side clutch. A rotation suppressing member configured to urge the other member in the rotation axis direction and apply a rotational resistance force greater than a force for the co-rotating is provided so as to suppress co-rotation of the other member. A pressing force transmission portion configured to transmit a force the rotation suppressing member urges in the rotation axis direction to the output side transmission member is provided.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: October 19, 2021
    Assignees: SHIROKI CORPORATION, NTN CORPORATION
    Inventors: Kunihiro Mikasa, Kyohei Sasanuma
  • Patent number: 11142098
    Abstract: A vehicle seat slide apparatus includes: a lower rail; an upper rail movably mounted on the lower rail and configured to support a seat; an annular-shaped lock spring attached to the upper rail; and an unlocking member attached to the upper rail, wherein: the lock spring has a lock portion configured to engage the lower rail to restrict upper rail movement; the unlocking member is configured to release movement restriction of the upper rail by displacing the lock spring to release an engagement state between the lock spring and the lower rail, is disposed inside the lock spring in both longitudinal and width directions of the upper rail, and includes a rotating portion and a pressing portion; the rotating portion is made of one flat plate material, and is configured to rotate; and the pressing portion is configured to be connected to the rotating portion and press the lock spring.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: October 12, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Takuya Nishio, Takanori Sato
  • Patent number: 11142104
    Abstract: An object of the present invention is to provide a reclining apparatus in which when a pawl is in an unlocked position, orientation of the pawl is stable, and when the pawl moves to a locked position, meshing between outer teeth of the pawl and inner teeth of a first member is stable. The reclining apparatus has at least one second cam that is provided between a cam and a second pawl, and is pressed by the cam to press the second pawl. The reclining apparatus is provided with a spring or pressing the second pawl against a pawl guide protrusion.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: October 12, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Noriaki Maeda, Hidehiko Fujioka
  • Publication number: 20210309125
    Abstract: 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: Application
    Filed: March 4, 2021
    Publication date: October 7, 2021
    Applicant: SHIROKI CORPORATION
    Inventors: Takuya NISHIO, Kohei NISHIMOTO
  • Publication number: 20210309126
    Abstract: The vehicle seat slide apparatus includes a lower rail, an upper rail, a locking spring having a locking portion that restricts movement of the upper rail by engaging with the lower rail, and an unlocking mechanism that releases movement restriction of the upper rail. One end side of the locking spring is movably attached to the upper rail, the other end side of the locking spring is fixed to the upper rail, and the locking portion is provided between the one end side and the other end side. The upper rail includes a during locking restricting portion that restricts movement of the one end side of the locking spring by contacting the one end side of the locking spring when the locking spring and the lower rail are in an engaged state.
    Type: Application
    Filed: March 5, 2021
    Publication date: October 7, 2021
    Applicant: SHIROKI CORPORATION
    Inventor: Takuya NISHIO
  • Patent number: 11136809
    Abstract: To provide a window regulator and a method of assembling the same, capable of easily applying grease to a main wall portion of a guide rail, the window regulator includes: a guide rail extending in an operation direction of a window glass; and a slider installed to the window glass and guided along the operation direction on the guide rail, wherein the guide rail has a main wall portion extending in a front-rear direction, and the slider has a main body portion facing the main wall portion of the guide rail abuttably from a vehicle width direction, and a grease application portion configured to apply grease along the operation direction on the main wall portion of the guide rail.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: October 5, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
  • Patent number: 11136803
    Abstract: To provide a window regulator and a method of assembling the same, capable of easily applying grease to a wire facing surface of a guide rail, the window regulator includes: a guide rail extending in an operation direction of a window glass; a slider installed to the window glass and guided along the operation direction on the guide rail; and a wire configured to drive the slider along the operation direction with respect to the guide rail, wherein the guide rail has a wire facing surface facing the wire along the operation direction, and the slider has a grease application portion for applying grease along the operation direction on the wire facing surface.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: October 5, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
  • Patent number: 11136810
    Abstract: To provide a window regulator and a method of assembling the same, capable of easily supplying grease to a slider shoe and a support portion of a guide rail, the window regulator includes: a guide rail extending in an operation direction of a window glass; and a slider installed to the window glass and guided along the operation direction on the guide rail. The slider has a slider shoe configured to support at least a part of the guide rail, and a grease injection hole configured to inject grease into an internal space of the slider shoe.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: October 5, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
  • Publication number: 20210301576
    Abstract: In a wire regulator, a lifting wire extension direction is a direction crossing a rainwater and the like dropping direction. A first rainwater guide portion having an eave formed on one side of a slider through a lifting wire is formed. A second rainwater guide portion having an eave formed on the other side of the slider through the lifting wire is formed. The eave of the first rainwater guide portion and the eave of the second rainwater guide portion are arranged shifted from each other in the rainwater and the like dropping direction.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 30, 2021
    Applicant: SHIROKI CORPORATION
    Inventors: Kenji YAMAMOTO, Kazuya YOKOYAMA