Patents Assigned to Shiroki Corporation
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Publication number: 20210363790Abstract: 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: ApplicationFiled: May 18, 2021Publication date: November 25, 2021Applicant: SHIROKI CORPORATIONInventors: Atsuyuki MASUDA, Hideo MORIMOTO
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Patent number: 11149802Abstract: 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: GrantFiled: May 29, 2019Date of Patent: October 19, 2021Assignees: SHIROKI CORPORATION, NTN CORPORATIONInventors: Kunihiro Mikasa, Kyohei Sasanuma
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Patent number: 11142098Abstract: 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: GrantFiled: June 10, 2020Date of Patent: October 12, 2021Assignee: SHIROKI CORPORATIONInventors: Takuya Nishio, Takanori Sato
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Patent number: 11142104Abstract: 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: GrantFiled: February 21, 2019Date of Patent: October 12, 2021Assignee: SHIROKI CORPORATIONInventors: Noriaki Maeda, Hidehiko Fujioka
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Publication number: 20210309126Abstract: 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: ApplicationFiled: March 5, 2021Publication date: October 7, 2021Applicant: SHIROKI CORPORATIONInventor: Takuya NISHIO
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Publication number: 20210309125Abstract: 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: ApplicationFiled: March 4, 2021Publication date: October 7, 2021Applicant: SHIROKI CORPORATIONInventors: Takuya NISHIO, Kohei NISHIMOTO
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Patent number: 11136810Abstract: 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: GrantFiled: October 28, 2019Date of Patent: October 5, 2021Assignee: SHIROKI CORPORATIONInventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
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Patent number: 11136809Abstract: 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: GrantFiled: October 28, 2019Date of Patent: October 5, 2021Assignee: SHIROKI CORPORATIONInventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
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Patent number: 11136803Abstract: 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: GrantFiled: October 28, 2019Date of Patent: October 5, 2021Assignee: SHIROKI CORPORATIONInventors: Kenji Yamamoto, Kazuya Yokoyama, Kazuki Natsume
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Publication number: 20210301573Abstract: In a wire regulator, a slider has a metal portion and a resin portion. The resin portion covers part of a front surface and a back surface of the metal portion, and forms a rainwater guide portion having an eave, the rainwater guide portion reducing entrance of rainwater into a lifting wire end housing portion, a lowering wire end housing portion, and a groove portion. A slit is provided at the resin portion at at least one of a front surface or a back surface of the slider.Type: ApplicationFiled: March 9, 2021Publication date: September 30, 2021Applicant: SHIROKI CORPORATIONInventors: Kenji YAMAMOTO, Kazuya YOKOYAMA
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Publication number: 20210301576Abstract: 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: ApplicationFiled: March 8, 2021Publication date: September 30, 2021Applicant: SHIROKI CORPORATIONInventors: Kenji YAMAMOTO, Kazuya YOKOYAMA
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Patent number: 11123815Abstract: Seam welding is performed by clamping a coupling portion of an upper sash with a first roller electrode and a second roller electrode, and applying electricity while rotating first roller electrode and the second roller electrode. The first roller electrode includes a plurality of first projecting portions and second projecting portions that are at intervals in a circumferential direction around a first rotational center. The second roller electrode may include a plurality of first opposing projecting portions and second opposing projecting portions that are at intervals in a circumferential direction around a second rotational center, by clamping a coupling portion of an upper sash and applying electricity while rotating.Type: GrantFiled: October 24, 2018Date of Patent: September 21, 2021Assignee: SHIROKI CORPORATIONInventors: Jiro Yoshihara, Koji Yoshida, Toshifumi Yanai
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Patent number: 11104251Abstract: A reclining apparatus includes an inner tooth member, an outer tooth member, a pair of wedges, an urging member that urges the pair of wedges, and a striker that moves the pair of wedges. Each of the pair of wedges includes a wedge body, a first end portion, a second end portion, and a protrusion. The striker includes a pair of pressing portions that presses the protrusion. Each of the pressing portions includes a pressing site having a pressing surface that presses the protrusion, and a movement restraining site that is provided on an opposite side of the pressing surface in the pressing site and restrains the wedge from moving.Type: GrantFiled: June 8, 2020Date of Patent: August 31, 2021Assignee: SHIROKI CORPORATIONInventor: Noriyuki Sakurai
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Patent number: 11092178Abstract: The vehicle component fastening structure includes: a boss receptacle and a boss provided in a pair of the vehicle components, and a fastening member for fastening the boss and the boss receptacle. The boss receptacle has a through-hole penetrating in a fastening axis direction and a nipped portion provided inside the through-hole. The boss has a fastener hole, and a leading end of the boss oriented to a first direction abuts on the nipped portion. The fastening member has a shank inserted into the through-hole and the fastener hole in a second direction and a head abutting on the nipped portion. In the fastened state, a bottom face of the head abuts on the nipped portion, and the entire bottom face and a portion of the nipped portion where the leading end of the boss abuts are placed within a range of the through-hole in the fastening axis direction.Type: GrantFiled: May 8, 2019Date of Patent: August 17, 2021Assignee: SHIROKI CORPORATIONInventors: Atsushi Muramatsu, Kenji Yamamoto, Kenichi Suzuki
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Patent number: 11078710Abstract: A vehicle window glass raising-and-lowering mechanism is achieved which can prevent a window glass from tilting, caused by a carrier plate rotating, even if the carrier plate is lowered down to a bottom dead point so that the window glass is fully open. The carrier plate includes a point of force that receives a movement force from wires in a downward direction. Two stopper members are provided at separated positions with respect to the vehicle forward and rearward direction, and the two stopper members have a positional relationship that crosses over either side of the point of force of the carrier plate.Type: GrantFiled: October 10, 2017Date of Patent: August 3, 2021Assignees: SHIROKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuta Kajimoto, Naoki Tsutsumi, Ryuta Yamasaki
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Patent number: 11059391Abstract: A vehicle seat slide device includes an upper rail, a lower rail, a lock mechanism, and a lock release mechanism. The lock mechanism restricts relative movement of the upper rail. The upper rail includes two side walls and an upper wall. The lock release mechanism includes a lever member, a push portion, and a spring member. The push portion pushes an unlock element of the lock mechanism and performs an unlocking action with the lock mechanism when the lever member is pivoted based on an operation force. The spring member applies an urging force to the lever member in a direction opposite to the direction in which the lever member is pivoted. The spring member includes an engagement end, which engages the lever member, and a spring body. At least the spring body is arranged in an inner space of the upper rail defined below the upper wall.Type: GrantFiled: August 26, 2019Date of Patent: July 13, 2021Assignee: SHIROKI CORPORATIONInventors: Takuya Nishio, Takanori Sato, Koji Kumagai
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Publication number: 20210206239Abstract: 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: ApplicationFiled: November 9, 2018Publication date: July 8, 2021Applicant: SHIROKI CORPORATIONInventors: Yoshimasa ISHIGURO, Katsuhisa FUKUI, Tomoaki FUKATAMI, Kazuhito NAKAJIMA, Masako SEKINE, Natsuki ITO, Kimihiro KINOSHITA
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Patent number: 11052789Abstract: A vehicle seat slide device is capable of improving an operational feeling of an unlocking member. The vehicle seat slide device includes: a lower rail; an upper rail that is movably attached to the lower rail and supports a seat; a lock spring that is attached to the upper rail, has a lock part engaging with the lower rail to restrict movement of the upper rail, and is formed in an annular shape; and an unlocking member that is attached to the upper rail and displaces the lock spring to disengage the lock spring and the lower rail to clear the restriction on the movement of the upper rail. The unlocking member is positioned more inside than the lock spring as seen in both a longitudinal direction and a width direction of the upper rail.Type: GrantFiled: December 7, 2018Date of Patent: July 6, 2021Assignee: SHIROKI CORPORATIONInventors: Koji Kumagai, Takanori Sato, Yuto Kogune
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Patent number: 11046210Abstract: A slide device includes a lower rail, an upper rail, a lock member, and a lock release member. The upper rail is coupled to the lower rail in a movable manner. The lock member is configured to restrict movement of the upper rail relative to the lower rail. The lock release member is configured to release a lock by the lock member. The lock release member includes a bracket fixed to the upper rail. A cover is attached to the bracket.Type: GrantFiled: March 13, 2020Date of Patent: June 29, 2021Assignee: SHIROKI CORPORATIONInventors: Shunsuke Aoki, Takanori Sato, Koji Kumagai
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Patent number: 11040640Abstract: A vehicle seat lifting apparatus includes: a cushion base of a vehicle seat; a link member rotatably provided on the cushion base and raising and lowering at least a part of the vehicle seat; a front limiter provided on a front portion in front of a rotation center of the link member and limiting rotation of the link member; and a rear limiter provided on a rear portion behind the rotation center of the link member and limiting the rotation of the link member.Type: GrantFiled: February 19, 2020Date of Patent: June 22, 2021Assignee: SHIROKI CORPORATIONInventor: Yuki Abe