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

IPC: A63B22/02 ,  A63B21/00 ,  A63B71/06

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.

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

IPC: A63B22/02 ,  A63B22/00 ,  A63B22/20

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.

公开(公告)号：US20210008408A1

公开(公告)日：2021-01-14

申请号：US17037113

申请日：2020-09-29

Applicant: DRAX INC.

Inventor： Seon Kyung YOO

IPC: A63B22/02 ,  F16F1/40 ,  F16F1/50 ,  F16F3/093 ,  F16F15/08

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.

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.

公开(公告)号：US20240416179A1

公开(公告)日：2024-12-19

申请号：US18702326

申请日：2022-12-14

Applicant: DRAX INC.

Inventor： Seon Kyung YOO

IPC: A63B24/00

Abstract: An embodiment of the present disclosure provides a method performed, by an exercise performance comparison device, of comparing exercise performance between users with different physical strength characteristics and physical conditions. To this end, the method collects workout data by communicating with each piece of fitness equipment used by users constituting a first group and users constituting a second group, and then, based thereon, calculating a fitness index of the users, and comparing exercise performance between the first group and the second group.

公开(公告)号：US20240370543A1

公开(公告)日：2024-11-07

申请号：US18687076

申请日：2022-08-23

Applicant: DRAX INC.

Inventor： Seon Kyung YOO ,  Jae Sang PARK

IPC: G06F21/32

Abstract: Provided are a sports center system and an operation method thereof, wherein the sports center system includes an authentication device configured to authenticate a user by using biometric information of the user and a management server configured to grant activation authority over exercise equipment to a user terminal corresponding to the user who is successfully authenticated.

公开(公告)号：US20230405386A1

公开(公告)日：2023-12-21

申请号：US18037763

申请日：2021-11-19

Applicant: DRAX INC.

Inventor： Seon Kyung YOO

IPC: A63B21/06 ,  A63B21/00 ,  A63B21/062

CPC classification number: A63B21/0615 ,  A63B21/154 ,  A63B21/0626 ,  A63B21/4034 ,  A63B21/4035 ,  A63B21/4039 ,  A63B2023/0411

Abstract: A squat machine is disclosed. The disclosed squat machine includes: a base frame; an exercise member which is rotatable about a first axis with respect to the base frame and capable of supporting at least one weight member; a support member which is rotatable about a second axis, which is different from the first axis, with respect to the base frame, is located on a rotation path of the exercise member, and rotates between a first position at which the exercise member is supportable and a second position out of the rotation path of the exercise member; a handle member which is formed on the exercise member to rotate about a third axis, which is different from the first axis and the second axis, so that the support member is rotated to the first position; a connection wire connecting the support member to the handle member; and a pulley guiding movement of the connection wire.

公开(公告)号：US20230226410A1

公开(公告)日：2023-07-20

申请号：US18007121

申请日：2020-12-02

Applicant: DRAX INC.

Inventor： Seon Kyung YOO ,  Jae Sang PARK

IPC: A63B24/00 ,  A63B71/06

CPC classification number: A63B24/0062 ,  A63B71/0622 ,  A63B2024/0093 ,  A63B2220/20 ,  A63B2024/0068 ,  A63B2225/20 ,  A63B2071/065

Abstract: An exercise equipment device includes an exercise device body including a load applying unit configured to add, reduce, or maintain a load according to a set exercise level, a user manipulation unit moving according to a movement of a user, and a load transmitting unit configured to transmit the load applied by the load applying unit to the user manipulation unit, a sensor configured to detect movement information of the user manipulation unit, a user input unit configured to input user information, and a processor configured to determine a first user motion range based on a detection result of the sensor and the user information, wherein the processor is further configured to determine the first user motion range based on the user information, an upper limit movement range and a lower limit movement range.

公开(公告)号：US20230201667A1

公开(公告)日：2023-06-29

申请号：US18087813

申请日：2022-12-23

Applicant: DRAX INC.

Inventor： Seon Kyung YOO

IPC: A63B24/00 ,  A63B71/06

CPC classification number: A63B24/0087 ,  A63B71/0622 ,  A63B2024/0093 ,  A63B2230/605

Abstract: Provided is an artificial intelligence (AI) workout guide apparatus including a personal maximum weight (PMW) estimator configured to estimate PMWestimation of fitness equipment to be used by a user, based on an estimated muscular strength value calculated based on user data, and a PMW guider configured to provide PMWindividual for the fitness equipment by complementing the PMWestimation with an individual objectification index of the user.

公开(公告)号：US20220362626A1

公开(公告)日：2022-11-17

申请号：US17735970

申请日：2022-05-03

Applicant: DRAX INC.

Inventor： Seon Kyung YOO

IPC: A63B22/02

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.