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公开(公告)号：US10668321B2
公开(公告)日：2020-06-02
申请号：US16028292
申请日：2018-07-05
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: There is provided a motorless treadmill. The motorless treadmill includes: a motorless track having a curved shape such that an inclination angle increases with respect to a ground surface toward a front end and a rear end, and configured to move around a closed path by a user's footsteps; and a pair of side covers disposed on two opposing sides of the motorless track, wherein the motorless track changes movement speed according to a location at which the user steps on the motorless track, and wherein, on at least one side cover of the pair of side covers, a speed-related indicator is disposed to indicate information related to the movement speed of the motorless track.
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公开(公告)号：US11446542B2
公开(公告)日：2022-09-20
申请号：US17037113
申请日：2020-09-29
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: Provided is a treadmill. The treadmill includes a shock absorbing portion configured to absorb a shock applied to a deck. The shock absorbing portion includes a second anti-vibration rubber portion having a third surface fixed to a frame and a fourth surface fixed to the deck. The third and fourth surfaces are perpendicular to a plate surface direction of the deck. The second anti-vibration rubber portion includes a first anti-vibration sub-rubber having the third surface, a second anti-vibration sub-rubber having the fourth surface, and a plate located between the first anti-vibration sub-rubber and the second anti-vibration sub-rubber. The plate located between the first anti-vibration sub-rubber and the second anti-vibration sub-rubber has a greater hardness than the first and second anti-vibration sub-rubbers.
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公开(公告)号：US11364411B2
公开(公告)日：2022-06-21
申请号：US16722897
申请日：2019-12-20
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo , Jae Sang Park
Abstract: A treadmill is provided. A rotation device rotatably supporting a track unit of the treadmill includes a pair of bearing trains rotatably installed at a frame structure and including a plurality of first bearings arranged along a movement direction of a belt to guide a movement of an upper region of a pair of belts and a front rotation module and a rear rotation module rotatably installed at the frame structure and respectively arranged at a front side and a rear side of the pair of bearing trains. At least one of the front rotation module and the rear rotation module includes a pair of rotation members arranged spaced apart from each other in a direction perpendicular to a rotation direction thereof and a pair of rotation support units supporting the pair of rotation members such that the pair of rotation members rotate individually.
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公开(公告)号：US10926129B2
公开(公告)日：2021-02-23
申请号：US16221228
申请日：2018-12-14
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: Provided is a treadmill including a frame structure supporting both ends of each of a plurality of slats to allow the plurality of slats to be movable. The frame structure includes a first frame and a second frame arranged parallel to each other with a distance therebetween, a first side frame and a second side frame respectively arranged outside the respective first and second frames, and a plurality of horizontal bars having a length greater than the distance. Each of the plurality of horizontal bars includes a first load region between the first frame and the second frame, a second load region overlapping the first side frame and fixed to the first side frame, and a third load region overlapping the second side frame and fixed to the second side frame.
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公开(公告)号：US12214271B2
公开(公告)日：2025-02-04
申请号：US18089046
申请日：2022-12-27
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
IPC: A63B71/06
Abstract: Provided is a weight exercise apparatus. The weight exercise apparatus includes an exercise main body in which movement occurs according to the user's weight exercise, a sensor module detecting movement of the exercise main body, and a processor configured to control a UI unit to display a UI element indicating an exercise state of a user corresponding to the detected movement on a UI screen, wherein the sensor module includes a first laser sensor comprising a first measurement accuracy and a first measurement frequency to detect weight setting of the exercise main body when the weight plate is in a stationary state and a second laser sensor comprising a second measurement accuracy lower than the first measurement accuracy and a second measurement frequency higher than the first measurement frequency to detect movement of the weight plate when the weight plate is in a moving state.
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Patent Agency Ranking
公开(公告)号：US10926130B2
公开(公告)日：2021-02-23
申请号：US16272784
申请日：2019-02-11
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo , Jae Sang Park
Abstract: Provided is a nonpowered treadmill driven by a user's foot motion. The nonpowered treadmill includes a track part, a rotation unit rotatably supporting the track part, a detector configured to detect a rotation speed of the track part, and a resistance controller configured to control a rotation resistance of the track part in response to the rotation speed detected by the detector.
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公开(公告)号：US10821319B2
公开(公告)日：2020-11-03
申请号：US16179761
申请日：2018-11-02
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: Provided is a treadmill. The treadmill includes a shock absorbing portion configured to absorb a shock applied to a deck. The shock absorbing portion includes a second anti-vibration rubber portion having a third surface fixed to a frame and a fourth surface fixed to the deck. The third and fourth surfaces are perpendicular to a plate surface direction of the deck. The second anti-vibration rubber portion includes a first anti-vibration sub-rubber having the third surface, a second anti-vibration sub-rubber having the fourth surface, and a plate located between the first anti-vibration sub-rubber and the second anti-vibration sub-rubber. The plate located between the first anti-vibration sub-rubber and the second anti-vibration sub-rubber has a greater hardness than the first and second anti-vibration sub-rubbers.
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公开(公告)号：US20190009128A1
公开(公告)日：2019-01-10
申请号：US16028292
申请日：2018-07-05
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
IPC: A63B22/02
CPC classification number: A63B22/0285 , A63B22/0017 , A63B22/02 , A63B22/0207 , A63B2022/206 , A63B2024/0093
Abstract: There is provided a motorless treadmill. The motorless track includes: a motorless track having a curved shape such that an inclination angle increases with respect to the ground toward a front end and a rear end, and configured to move around by user's foot steps; and a pair of side covers disposed on both sides of the motorless track, wherein the motorless track changes movement speed according to a location at which the user steps on the motorless track, and wherein, on at least one side cover of the pair of side covers, a speed-related indicator is disposed to indicate information related to movement speed of the motorless track.
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公开(公告)号：US12145022B2
公开(公告)日：2024-11-19
申请号：US17735970
申请日：2022-05-03
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: This application relates to a treadmill. In one aspect, the treadmill includes a frame structure, a track part configured to rotate with respect to the frame structure, and a rotation unit disposed in the frame structure and rotatably supporting the track part. The track part may include a plurality of slats arranged in a rotation direction and a track belt disposed at both end portions of the plurality of slats and connecting the plurality of slats. The rotation unit may include first rotation members disposed in front and rear of the frame structure. At least one of the first rotation members includes a plurality of grooves arranged apart from each other on an outer circumferential surface of the at least one of the first rotation members in a circumferential direction, to have a surface shape different from an inner circumferential surface of the track belt.
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公开(公告)号：US11369836B2
公开(公告)日：2022-06-28
申请号：US16882358
申请日：2020-05-22
Applicant: DRAX INC.
Inventor： Seon Kyung Yoo
Abstract: There is provided a motorless treadmill. The motorless treadmill includes: a motorless track having a curved shape such that an inclination angle increases with respect to a ground surface toward a front end and a rear end of the motorless track, and configured to move around a closed path by a user's footsteps; and a pair of side covers disposed on two opposing sides of the motorless track, wherein the motorless track changes movement speed according to a location at which the user steps on the motorless track, and wherein, on at least one side cover of the pair of side covers, a speed-related indicator is disposed to indicate information related to the movement speed of the motorless track.
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