Patents by Inventor Chan Ki Cho
Chan Ki Cho 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: 11472324Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.Type: GrantFiled: June 7, 2021Date of Patent: October 18, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daechang Seat Co., LTD-Dongtan, Hyundai Transys Inc.Inventors: Min Ju Lee, Seung Hyun Kim, Byung Yong Choi, Sang Hyun Lee, Seon Chae Na, Chan Ki Cho, In Chang Hwang, Dong Hwan Kim, Young Woon Choi, Jae Jin Lee
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Publication number: 20220314853Abstract: A backboard assembly for a vehicular rear seat is disclosed. The backboard assembly includes an upper part and a lower part, which are made of a hard plastic material. The backboard assembly prevents the formation of a gap between the lower part and a luggage board, regardless of the operational mode of the rear seat. When a seat back is folded, the upper part, the lower part, and the luggage board are aligned in a horizontal direction, thereby allowing the space for passengers in the rear seat to be completely integrated with a luggage compartment.Type: ApplicationFiled: November 19, 2021Publication date: October 6, 2022Inventors: Eun Sue Kim, Seung Sik Han, Hong Heui Lee, Myung Hoe Kim, Cheol Hwan Yoon, Hae Dong Kwak, Jun Sik Hwang, Jong Tak Lee, Sin Chan Yang, In Sun Baek, Myung Soo Lee, Chan Ki Cho
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Publication number: 20220314845Abstract: Proposed is a support driver for a seat and a support assembly including the same. The support driver is configured to operate within a limited space while supporting an occupant comfortably and safely. The support assembly has a structure in which the links push the central portion of the cushion in close contact therewith while remaining in intersection with each other. Advantageously, the links are able to push the cushion with a minimum amount of power within a limited space.Type: ApplicationFiled: May 10, 2021Publication date: October 6, 2022Inventors: Chan Ki CHO, Gun Young PARK, Jin Oh KIM, Jun Kyu PARK, Jeon Il KANG
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Patent number: 11463153Abstract: Provided is a distributed antenna system using a millimeterwave repeater. The distributed antenna system includes a donor unit configured to receive a downlink millimeter band radio frequency (RF) signal from a gNodeB base station, sum the received RF signal with a communication signal, and a synchronization signal to generate a summation signal, and transmit the summation signal; a transmission unit configured to transmit the summation signal and a power signal for power supply; and a server unit configured to receive the summation signal, separate and amplify the summation signal to transmit an RF signal to a user terminal. Only one of the donor unit and the server unit includes a power supply unit configured to generate the power signal.Type: GrantFiled: February 12, 2021Date of Patent: October 4, 2022Assignee: ADRF KOREA, Inc.Inventor: Chan Ki Cho
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Publication number: 20220295991Abstract: Proposed is an actuator for a recliner which can be manufactured with components having simple structures to reduce weight, and functions of a seat operated through different cables are independently performed stably. The actuator for a recliner includes: a casing part, and a drive part provided with a worm wheel gear located inside the casing part and rotated by an operation of a motor, and a rack gear configured to move elastically toward a first or second side of the drive part in engagement with the worm wheel gear, with cables being coupled respectively to the first and second sides of the rack gear.Type: ApplicationFiled: February 10, 2022Publication date: September 22, 2022Applicant: DAECHANG SEAT CO., LTD-DONGTANInventors: Chan Ki Cho, Myung Soo Lee, Sin Chan Yang, In Sun Baek
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Patent number: 11420538Abstract: Disclosed is a seat elevating device including a support unit, a driving unit, and an elevating unit. The support unit is structured such that a first end is coupled to a body of a vehicle and a second end extends upward from the first end and is connected to a first end and a second end of a bar. The driving unit is coupled to an inner side surface of the support unit and equipped with a drive shaft on a side surface thereof. The elevating unit is connected to the drive shaft via a gear unit and is provided with a groove to receive the bar so that the bar slides along the groove. The elevating unit is slidable because it is engaged with the gear unit connected to the drive shaft via a rack gear that extends in parallel with a sliding movement direction of the elevating unit.Type: GrantFiled: April 13, 2021Date of Patent: August 23, 2022Assignee: DAECHANG SEAT CO., LTD-DONGTANInventors: Chan Ki Cho, Bum Jin Hwang, Jun Kyu Park, Lyang Sun Kim
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Publication number: 20220250510Abstract: A load support apparatus for a lumbar support assembly is proposed, in which reinforcing ribs are arranged on a lateral surface and a front surface of a concave portion, the load support apparatus maintaining bearing power for supporting an occupant and having a reduced weight. The load support apparatus includes a main support unit including a main plate formed in the shape of a plate, a concave portion formed by one portion of the main plate protruding backward, with a groove being formed in front of the concave portion, and a rib portion formed by protruding from the main plate toward the groove or backward from the main plate.Type: ApplicationFiled: January 7, 2022Publication date: August 11, 2022Inventors: Chan Ki CHO, Gun Young PARK, Jin Oh KIM, Tae Hong HAN
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Publication number: 20220224399Abstract: Provided is a distributed antenna system using a millimeterwave repeater. The distributed antenna system includes a donor unit configured to receive a downlink millimeter band radio frequency (RF) signal from a gNodeB base station, sum the received RF signal with a communication signal, and a synchronization signal to generate a summation signal, and transmit the summation signal; a transmission unit configured to transmit the summation signal and a power signal for power supply; and a server unit configured to receive the summation signal, separate and amplify the summation signal to transmit an RF signal to a user terminal. Only one of the donor unit and the server unit includes a power supply unit configured to generate the power signal.Type: ApplicationFiled: February 12, 2021Publication date: July 14, 2022Applicant: ADRF KOREA, Inc.Inventor: Chan Ki CHO
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Publication number: 20220153174Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.Type: ApplicationFiled: June 7, 2021Publication date: May 19, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Min Ju LEE, Seung Hyun KIM, Byung Yong CHOI, Sang Hyun LEE, Seon Chae NA, Chan Ki CHO, In Chang HWANG, Dong Hwan KIM, Young Woon CHOI, Jae Jin LEE
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Publication number: 20220118890Abstract: Proposed is a folding seat which can be folded by manipulating a lever at various positions so as to improve the utilization of space around the folding seat. The folding seat includes: a seat frame; a seat back frame located at a rear of the seat frame and coupled rotatably to the seat frame or a vehicle; and a first latch part provided with a side support, a first end of the side support being coupled to the vehicle and a second end of the side support being coupled to the rear of the seat frame through a rotation shaft such that the seat frame is rotatable.Type: ApplicationFiled: October 18, 2021Publication date: April 21, 2022Inventors: Jae Kwang Shin, Myung Soo Lee, Chan Ki Cho
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Publication number: 20220111770Abstract: An apparatus for adjusting a seat of a vehicle includes a seat back frame, a cushion frame that is moved forward and backward by a motor driving unit, a cushion hinge part connecting the seat back frame and the cushion frame and rotating according to the movement of the cushion frame to adjust the angle of the seat back frame, and a seat back hinge part connecting the seat back frame and the vehicle body and rotating according to the movement of the seat back frame.Type: ApplicationFiled: March 3, 2021Publication date: April 14, 2022Inventors: Min Ju Lee, Seunghyun Kim, Byung Yong Choi, Sanghyun Lee, Seon Chae Na, Chan Ki Cho, In Chang Hwang, Donghwan Kim, Youngwoon Choi, Jaejin Lee
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Publication number: 20220079344Abstract: Proposed is a folding seat that is capable of being folding to various positions by controlling a lever and the folding seat is capable of improving utilization of space around the folding seat. According to an embodiment of the present disclosure, the folding seat includes: a seat frame; a seat back frame cross-arranged in back of the seat frame, the seat back frame having a first side rotatably coupled to the seat frame; and a locking portion coupled at a first side thereof to the seat back frame and rotatably coupled at a second side thereof to the seat frame at a position between the seat frame and the seat back frame, wherein the locking portion is configured to be inserted into a rear portion of the seat frame or to be separated from the seat frame according to an operation thereof.Type: ApplicationFiled: September 9, 2021Publication date: March 17, 2022Inventors: Jae Kwang SHIN, Myung Soo LEE, Chan Ki CHO
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Patent number: 11273731Abstract: A seat apparatus for a vehicle is provided, wherein a base bracket and a moving bracket are mounted to a body floor to lift and lower a seat, and a seat track is mounted to the moving bracket to move the seat in forward and rearward directions, so that the seat is moved and lifted and lowered. Accordingly, since the lifting/lowering structure of the seat is mounted to the body floor, space is secured below the seat, so indoor atmosphere is improved due to the increase of the space efficiency.Type: GrantFiled: March 26, 2020Date of Patent: March 15, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., LTD-DongtanInventors: Hyung Jin Park, Guk Mu Park, Byeong Kwang Kim, Sang Uk Yu, So Young Yoo, Seon Chae Na, Byung Yong Choi, Myung Soo Lee, Chan Ki Cho, Gyeong Jae Lee
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Publication number: 20220072980Abstract: The present disclosure provides a double-folding unlocking device of a rear seat for a vehicle. The double-folding unlocking device of a rear seat is capable of preventing the occurrence of excessively tight fitting and deformation of components due to excessively tight contact between bracket members when a seatback is rotated in an opposite direction while the seatback is folded or unfolded.Type: ApplicationFiled: September 3, 2021Publication date: March 10, 2022Inventors: Jun Sik HWANG, Kyeong Ju KIM, Hwa Young MUN, Cheol Hwan YOON, Jung Bin LEE, Chan Ki CHO, Myeong Su LEE, Sin Chan YANG, Jeon II KANG
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Patent number: 11254247Abstract: The disclosure relates to a lumbar support assembly, wherein the inclination of a mat is controlled by upward and downward movement of a single nut, thereby making it possible to reducing weight and manufacturing cost of the assembly. According to one embodiment of disclosed herein, a lumbar support assembly includes: a mat having opposite sides that are rotatably connected to opposite sides of a seat frame, respectively; a driving unit coupled to the mat, and including a nut that is configured to be moved upward and downward; and a tension unit having first and second sides that are respectively coupled to the first and second sides of the seat frame, and coupled to the nut while surrounding a rear portion of the mat, wherein the nut allows the mat to be moved frontward or rearward by pulling or loosening the tension unit according to direction of movement.Type: GrantFiled: May 12, 2020Date of Patent: February 22, 2022Assignee: DAECHANG SEAT CO., LTD-DONGTANInventors: Hun Yeong Jun, Hyun Chul Woo, Lyang Sun Kim, Jin Oh Kim, Chan Ki Cho
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Publication number: 20210316641Abstract: Disclosed is a seat elevating device including a support unit, a driving unit, and an elevating unit. The support unit is structured such that a first end is coupled to a body of a vehicle and a second end extends upward from the first end and is connected to a first end and a second end of a bar. The driving unit is coupled to an inner side surface of the support unit and equipped with a drive shaft on a side surface thereof. The elevating unit is connected to the drive shaft via a gear unit and is provided with a groove to receive the bar so that the bar slides along the groove. The elevating unit is slidable because it is engaged with the gear unit connected to the drive shaft via a rack gear that extends in parallel with a sliding movement direction of the elevating unit.Type: ApplicationFiled: April 13, 2021Publication date: October 14, 2021Inventors: Chan Ki CHO, Bum Jin HWANG, Jun Kyu PARK, Lyang Sun KIM
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Patent number: 11034262Abstract: A seat cushion extension device is provided which can slide a seat cushion via a single spring, and has high assembly efficiency and a low weight due to a simple structure. The seat cushion extension device includes: a base having first and second rack gears provided to face each other; a cushion part provided on an upper portion of the base to move forward/backward; a locking gear part combined with a shaft extending from the cushion part to the base and having a first gear provided to be engaged with the first and second rack gears; and a manipulation part combined with the cushion part to move forward/backward between the cushion part and the first gear, and having a protruding part provided on a lower surface thereof.Type: GrantFiled: August 30, 2018Date of Patent: June 15, 2021Assignee: DAECHANG SEAT CO., LTDInventors: Jeong Soo Kim, Chan Ki Cho, Myung Soo Lee
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Publication number: 20210162901Abstract: Proposed is a lumbar support assembly having an air bladder and components for operating the air bladder and facilitating the assembly and maintenance thereof. The lumbar support assembly includes: a suspension mat having a first hole formed at the inner side thereof, and having a second hole formed at one edge thereof; an air bladder having a first clip hole, which is formed at one edge thereof and overlaps with the first hole; a pouch including a pump and having a second clip hole, which is formed at one edge thereof and overlaps with the second hole; a fixing clip that can be mounted in the first clip hole or the second clip hole; and an electronic valve which has a first tube connected to the air bladder and a second tube connected to the pump and which is coupled to the rear surface of the suspension mat.Type: ApplicationFiled: June 24, 2019Publication date: June 3, 2021Inventors: Chan Ki CHO, Jin Oh KIM, Kyoung Min CHO
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Publication number: 20210138944Abstract: Disclosed are a seat frame assembly and a method of manufacturing the same whereby adhesion of a reinforcing material attached to a seat frame is improved to secure rigidity of the seat frame and process speed is improved. According to one embodiment disclosed herein, seat frame assembly includes: a frame configured such that a portion of each of opposite sides is bent forward, and supporting an upper body of an occupant; and side members joined to the opposite sides of the frame, respectively, each of the side members including a groove formed in a surface being in close contact with the frame, wherein a portion of the frame that is surface-joined to each of the side members is provided with a protrusion inserted into the groove.Type: ApplicationFiled: December 26, 2018Publication date: May 13, 2021Inventors: Chan Ki Cho, Hyun Chul Woo, Kyoung Min Cho, Hun Yeong Jun
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Publication number: 20210129712Abstract: A seat apparatus for a vehicle is provided, wherein a base bracket and a moving bracket are mounted to a body floor to lift and lower a seat, and a seat track is mounted to the moving bracket to move the seat in forward and rearward directions, so that the seat is moved and lifted and lowered. Accordingly, since the lifting/lowering structure of the seat is mounted to the body floor, space is secured below the seat, so indoor atmosphere is improved due to the increase of the space efficiency.Type: ApplicationFiled: March 26, 2020Publication date: May 6, 2021Applicants: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., LTD-DongtanInventors: Hyung Jin PARK, Guk Mu PARK, Byeong Kwang KIM, Sang Uk YU, So Young YOO, Seon Chae NA, Byung Yong CHOI, Myung Soo LEE, Chan Ki CHO, Gyeong Jae LEE