Patents Assigned to GD IND Corp.
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Publication number: 20250035188Abstract: According to the present disclosure, a loop string fixing device includes a stopper used for fixing a loop string, the loop string being a string curved at a middle portion to form a loop part and including first and second string extensions extending from the loop part and first and second string end portions at ends of the first and second string extensions, the stopper including a front plate that is formed with first and second through hole rows laterally spaced apart from each other and extending in a height direction, and each of the first and second through hole rows including upper through holes and lower through holes located below the upper through holes.Type: ApplicationFiled: July 26, 2024Publication date: January 30, 2025Applicant: GD IND Corp.Inventor: Tae Jin An
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Publication number: 20230364464Abstract: The present invention relates to a chest expander including a head, two operating arms of which upper end portions are coupled to the head using rotating shafts, and at least one gas spring disposed between and coupled to the two operating arms by a lower end of the gas spring being rotatably coupled to one operating arm and an upper end of the gas spring being coupled to an upper portion of the other operating arm, wherein a moving hole extending in an arc shape about the lower end of the gas spring is formed in the upper portion of the operating arm, a slider is provided to movably support the upper end of the gas spring along the moving hole, and the slider includes a stopper which fixes the slider.Type: ApplicationFiled: April 20, 2023Publication date: November 16, 2023Applicant: GD IND Corp.Inventor: Tae Jin An
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Patent number: 11771952Abstract: Provided is a chest expander including a pair of operational arms having upper ends rotatably coupled to a head and moving to approach or be spaced apart from each other and a pair of gas springs disposed crosswise between the pair of operational arms. In the operational arm, a longitudinal hole configured to guide one end of the gas spring to move are formed. A guide coupled to the one end of the gas spring are arranged in the longitudinal holes. A Holding device holds the guide at a selected position. Intensity of elastic force provided by the gas spring is adjustable by adjusting a position of the one end of the gas spring.Type: GrantFiled: October 18, 2021Date of Patent: October 3, 2023Assignee: GD IND Corp.Inventor: Tae Jin An
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Patent number: 11738227Abstract: The present invention relates to forearm fitness equipment having a first handlebar and a second handlebar which are arranged in a longitudinal direction. The first handlebar includes a twist guide part and a first spiral inclined surface formed on an end surface of one side of the twist guide part. The second handle bar includes a second spiral inclined surface on an end surface, which comes into contact with the first spiral inclined surface. The first and second spiral inclined surfaces extend spirally respective in an opposite rotational direction to each other. A spring is configured to provide an elastic force in a direction in which the first spiral inclined surface and the second spiral inclined surface come into contact with each other.Type: GrantFiled: December 15, 2021Date of Patent: August 29, 2023Assignee: GD IND Corp.Inventor: Tae Jin An
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Publication number: 20220184444Abstract: The present invention relates to forearm fitness equipment having a first handlebar and a second handlebar which are arranged in a longitudinal direction. The first handlebar includes a twist guide part and a first spiral inclined surface formed on an end surface of one side of the twist guide part. The second handle bar includes a second spiral inclined surface on an end surface, which comes into contact with the first spiral inclined surface. The first and second spiral inclined surfaces extend spirally respective in an opposite rotational direction to each other. A spring is configured to provide an elastic force in a direction in which the first spiral inclined surface and the second spiral inclined surface come into contact with each other.Type: ApplicationFiled: December 15, 2021Publication date: June 16, 2022Applicant: GD IND CorpInventor: Tae Jin An
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Publication number: 20220126166Abstract: Provided is a chest expander including a pair of operational arms having upper ends rotatably coupled to a head and moving to approach or be spaced apart from each other and a pair of gas springs disposed crosswise between the pair of operational arms. In the operational arm, a longitudinal hole configured to guide one end of the gas spring to move are formed. A guide coupled to the one end of the gas spring are arranged in the longitudinal holes. A Holding device holds the guide at a selected position. Intensity of elastic force provided by the gas spring is adjustable by adjusting a position of the one end of the gas spring.Type: ApplicationFiled: October 18, 2021Publication date: April 28, 2022Applicant: GD IND Corp.Inventor: Tae Jin An
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Patent number: D1055184Type: GrantFiled: October 28, 2022Date of Patent: December 24, 2024Assignee: GD IND Corp.Inventor: Tae Jin An
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Patent number: D1060544Type: GrantFiled: June 13, 2022Date of Patent: February 4, 2025Assignee: GD IND Corp.Inventor: Tae Jin An