Patents by Inventor Dong-Wuk Choi
Dong-Wuk Choi 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: 11187016Abstract: A power child lock operating device may include a rotating drive device; a first operating lever which receives the torque of the rotating drive device to be rotated; a second operating lever connected to the first operating lever to be moved together; a third operating lever connected to a door catch to lock or unlock the door catch; an inside handle lever connected to an inside handle disposed at a door of a vehicle to be moved together; a fourth operating lever selectively connecting the inside handle lever and the third operating lever; and an elastic member pressurizing to the fourth operating lever so that the third operating lever may be connected to the inside handle lever, improving the operation reliability the power child lock device.Type: GrantFiled: October 3, 2018Date of Patent: November 30, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yongdae Seo, Jinwoo Nam, Jinsang Chung, Dong Wuk Choi, Jae Hyun Seok, Seong Geun Byeon
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Patent number: 10415278Abstract: A door latch device for a vehicle comprises an operation pawl lever interlocked with a door handle which is mounted on a door, the operation pawl lever configured to rotate; a support pawl lever including a guide hole, and coupled to a rotating shaft that linearly moves along the guide hole, the support pawl lever being pressed in a first direction by the operation pawl lever when the operation pawl lever rotates in a first rotation direction; a claw lever configured to be restricted from rotating by a support part disposed on the support pawl lever, wherein the support pawl lever moves in the first direction when the operation pawl lever presses the support pawl lever to keep the door in a closed state, wherein the support part protrudes in a second direction different from the first direction.Type: GrantFiled: May 26, 2015Date of Patent: September 17, 2019Assignees: HYUNDAI MOTOR COMPANY, PYEONG HWA AUTOMOTIVE CO., LTD.Inventors: Dong Wuk Choi, Jong Chul Oh, Ki Ryun Ahn, Hyuk Noh, Jong Ho Park
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Publication number: 20190234115Abstract: A power child lock operating device may include a rotating drive device; a first operating lever which receives the torque of the rotating drive device to be rotated; a second operating lever connected to the first operating lever to be moved together; a third operating lever connected to a door catch to lock or unlock the door catch; an inside handle lever connected to an inside handle disposed at a door of a vehicle to be moved together; a fourth operating lever selectively connecting the inside handle lever and the third operating lever; and an elastic member pressurizing to the fourth operating lever so that the third operating lever may be connected to the inside handle lever, improving the operation reliability the power child lock device.Type: ApplicationFiled: October 3, 2018Publication date: August 1, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Yongdae SEO, Jinwoo NAM, Jinsang CHUNG, Dong Wuk CHOI, Jae Hyun SEOK, Seong Geun BYEON
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Patent number: 9920556Abstract: An apparatus for opening and closing a tailgate for a vehicle includes a latch device provided in the tailgate and an actuator. The latch device includes a claw to engage with a striker provided at a vehicle body side, a pawl to engage with the claw to maintain the claw in a locked position, and an unlocking lever to operate the pawl to unlock the claw. The actuator includes a cinching/release lever to selectively operate a cinching cable connected to the claw to rotate the claw from an unlocked position to the locked position, and a release cable connected to the unlocking lever to operate the claw from the locked position to the unlocked position.Type: GrantFiled: December 1, 2015Date of Patent: March 20, 2018Assignee: Hyundai Motor CompanyInventors: Min Hyung Byun, Dong Wuk Choi, Hyun Woo Kim
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Patent number: 9741505Abstract: A push switch of an outside handle of a door having a button installed inside a grip cover, wherein the button is attached to the inner surface of the grip cover through a support extending from a side of the button, and a tact switch pressed when the button is pushed.Type: GrantFiled: September 1, 2015Date of Patent: August 22, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Dong Wuk Choi, Jong Hae Lee
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Patent number: 9587418Abstract: A door inside handle apparatus with a pull handle may include a handle bracket, a door inside handle and a link lever. The handle bracket may be fixed to the pull handle without interfering with a storage space of the pull handle. The door inside handle may be coupled to the handle bracket to be turned and have an operation part exposed through a rear side of the pull handle and to be operated by a user. The link lever may be coupled to the handle bracket to be turned, connected with one end of a latch cable, and operated to pull the latch cable by rotating with the door inside handle.Type: GrantFiled: May 30, 2014Date of Patent: March 7, 2017Assignee: Hyundai Motor CompanyInventor: Dong Wuk Choi
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Publication number: 20160281400Abstract: An apparatus for opening and closing a tailgate for a vehicle includes a latch device provided in the tailgate and an actuator. The latch device includes a claw to engage with a striker provided at a vehicle body side, a pawl to engage with the claw to maintain the claw in a locked position, and an unlocking lever to operate the pawl to unlock the claw. The actuator includes a cinching/release lever to selectively operate a cinching cable connected to the claw to rotate the claw from an unlocked position to the locked position, and a release cable connected to the unlocking lever to operate the claw from the locked position to the unlocked position.Type: ApplicationFiled: December 1, 2015Publication date: September 29, 2016Applicant: Hyundai Motor CompanyInventors: Min Hyung Byun, Dong Wuk CHOI, Hyun Woo KIM
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Publication number: 20160160541Abstract: A door latch device for a vehicle comprises an operation pawl lever interlocked with a door handle which is mounted on a door, the operation pawl lever configured to rotate; a support pawl lever including a guide hole, and coupled to a rotating shaft that linearly moves along the guide hole, the support pawl lever being pressed in a first direction by the operation pawl lever when the operation pawl lever rotates in a first rotation direction; a claw lever configured to be restricted M from rotating by a support part disposed on the support pawl lever, wherein the support pawl lever moves in the first direction when the operation pawl lever presses the support pawl lever to keep the door in a closed state, wherein the support part protrudes in a second direction different from the first direction.Type: ApplicationFiled: May 26, 2015Publication date: June 9, 2016Inventors: Dong Wuk CHOI, Jong Chul OH, Ki Ryun AHN, Hyuk NOH, Jong Ho PARK
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Publication number: 20160111231Abstract: A push switch of an outside handle of a door comprises a button installed inside a grip cover, wherein the button is attached to the inner surface of the grip cover through a support extending from a side of the button, and a tact switch pressed when the button is pushed.Type: ApplicationFiled: September 1, 2015Publication date: April 21, 2016Inventors: Dong Wuk CHOI, Jong Hae LEE
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Publication number: 20150167348Abstract: A door inside handle apparatus with a pull handle may include a handle bracket, a door inside handle and a link lever. The handle bracket may be fixed to the pull handle without interfering with a storage space of the pull handle. The door inside handle may be coupled to the handle bracket to be turned and have an operation part exposed through a rear side of the pull handle and to be operated by a user. The link lever may be coupled to the handle bracket to be turned, connected with one end of a latch cable, and operated to pull the latch cable by rotating with the door inside handle.Type: ApplicationFiled: May 30, 2014Publication date: June 18, 2015Applicant: Hyundai Motor CompanyInventor: Dong Wuk Choi
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Publication number: 20140059935Abstract: A manual window regulator device may include a drum, handle shafts provided at opposing sides of an inner portion of the drum and each handle shaft including a catching part protrudedly formed at an inner side thereof, a glass shaft rotatably provided substantially at the center of the drum and fixed to the catching parts of the handle shafts while being caught by the catching parts at time of a left or right turn, and roller parts provided at an upper portion, a lower portion, or upper and lower portions of the drum, and fixing the handle shafts while being fitted between the handle shafts and the drum at time of rotation of the handle shafts.Type: ApplicationFiled: December 10, 2012Publication date: March 6, 2014Applicant: Hyundai Motor CompanyInventors: Dong Wuk Choi, Kyoung Taek Kwak
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Publication number: 20050057049Abstract: A break-prevention structure of an outside door handle for vehicles has a pivoting portion functioning as a rotating center of a door handle and is prevented from detaching from a handle base by a stopper formed at the pivoting portion of the door handle when the door handle is pulled, thus improving the operation and durability of the outside door handle.Type: ApplicationFiled: December 30, 2003Publication date: March 17, 2005Inventor: Dong-Wuk Choi