US20180036619A1 - Bicycle exercise apparatus - Google Patents

Bicycle exercise apparatus Download PDF

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Publication number
US20180036619A1
US20180036619A1 US15/553,581 US201615553581A US2018036619A1 US 20180036619 A1 US20180036619 A1 US 20180036619A1 US 201615553581 A US201615553581 A US 201615553581A US 2018036619 A1 US2018036619 A1 US 2018036619A1
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United States
Prior art keywords
main frame
bicycle
exercise apparatus
roller
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/553,581
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English (en)
Inventor
Keun Woo Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020150028309A external-priority patent/KR101643378B1/ko
Priority claimed from KR1020150028316A external-priority patent/KR101730127B1/ko
Priority claimed from KR1020150036712A external-priority patent/KR101730130B1/ko
Priority claimed from KR1020150187430A external-priority patent/KR101811777B1/ko
Application filed by Individual filed Critical Individual
Publication of US20180036619A1 publication Critical patent/US20180036619A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A63B21/0058—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using motors
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
    • A63B22/0023—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the inclination of the main axis of the movement path being adjustable, e.g. the inclination of an endless band
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
    • A63B2069/161—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles supports for the front of the bicycle
    • A63B2069/163—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles supports for the front of the bicycle for the front wheel
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
    • A63B2069/164—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles supports for the rear of the bicycle, e.g. for the rear forks
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
    • A63B2069/167—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles on rollers without further support
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions
    • A63B2225/093—Height

Definitions

  • the present invention relates to a bicycle exercise apparatus, and more particularly, to a bicycle exercise apparatus capable of allowing a bicycle to be seated on the bicycle exercise apparatus and implementing the same effect as when the bicycle travels on an inclined road section such as an actual road.
  • a user In general, a user just uses a bicycle to travel a road, a park, a mountain road (forest road), and the like, but the bicycle cannot be used as an indoor exercise machine.
  • an indoor-only bicycle exercise apparatus is required for the user to inevitably use for exercising indoors, but most of the indoor-only bicycle exercise apparatuses just allow the user to sit on a chair and rotate a pedal.
  • a bicycle exercise apparatus which allows an actual bicycle to be installed indoors and allows the user to do traveling exercise, has been developed in addition to a bicycle-type exercise machine having a simple shape.
  • a separate auxiliary device is provided on a general bicycle which is used on a road, such that the bicycle may be utilized as an indoor health bicycle, and an exercise machine, which allows the bicycle to be mounted on the exercise machine in the form of a running machine and allows the user to ride the bicycle, has been developed.
  • the aforementioned exercise machines just allow the user to ride the bicycle on a flat floor, but the exercise machines are insufficient to implement an environment like an actual road and allow the user to enjoy, even indoors, an exercise effect that can be obtained when the user rides the bicycle outdoors.
  • the present invention has been made in an effort to solve the problem in the related art, and an object of the present invention is as follows.
  • an object of the present invention is to provide a treadmill capable of traveling at a high speed.
  • Another object of the present invention is to provide a bicycle exercise apparatus capable of allowing a bicycle to be seated on the bicycle exercise apparatus and allowing a user to ride the bicycle while having the same effect as when the user rides the bicycle on a road, such as an actual traveling road, having an inclination.
  • Still another object of the present invention is to provide a bicycle exercise apparatus capable of allowing a user to enjoy acceleration and deceleration effects by implementing an inclined road.
  • yet another object of the present invention is to provide a bicycle exercise apparatus capable of preventing a rollover of a bicycle and stably supporting the bicycle.
  • a bicycle exercise apparatus of the present invention includes a main frame, a front support unit, a rear support unit, and a rotation unit.
  • the main frame is elongated and has a predetermined width, and a bicycle is positioned on the main frame.
  • the front support unit is provided at one side in a longitudinal direction of the main frame, and a front wheel of the bicycle is rotatably seated on the front support unit.
  • the rear support unit includes a rotation support unit that has a predetermined length and a central portion in the longitudinal direction rotatably coupled to the other side in the longitudinal direction of the main frame such that the rotation support unit maintains a horizontal state while rotating together with the main frame in accordance with a rotation angle of the main frame, and one or more rear rollers that are provided on the rotation support unit, disposed in parallel with a front roller, and rotated together with a rear wheel when the bicycle travels.
  • the rotation unit supports the main frame such that the main frame is positioned at a predetermined height from a floor, and is rotatably coupled to a central portion of the main frame in the longitudinal direction so as to adjust an inclination angle of the main frame.
  • the front support unit may be a treadmill including: a pair of frames which has a length in a traveling direction; a deck which is positioned between the pair of frames and supports a load applied from above; a pair of rollers which is disposed at front and rear sides of the deck, is installed between the pair of frames so as to be rotatable in the same direction, and has anti-slip grooves formed at predetermined intervals in a circumferential direction on outer circumferential surfaces of the pair of rollers; and a belt which is installed to surround the pair of rollers and the deck from the outside, moves in accordance with the rotation of a driving roller, and has anti-slip protrusions formed corresponding to the anti-slip grooves on a surface that abuts against the pair of rollers.
  • a friction reducing member for reducing friction by minimizing a contact area with the belt may be provided on an upper surface of the deck.
  • the friction reducing member may include: a ring-shaped support portion which is formed with a hollow portion; and a spherical rotating portion which is positioned in the hollow portion of the support portion and rotated in conjunction with the movement of the belt in a state in which the spherical rotating portion is in contact with the belt.
  • the treadmill may be mechanically connected to any one of the pair of rollers and may adjust tension of the belt by adjusting a distance between the pair of rollers.
  • the treadmill may include: a tension block to which a rotating shaft of any one of the pair of rollers is coupled and which is coupled to be movable in a front and rear direction with respect to the frame; and a tension adjusting member which fastens the frame and the tension block and moves the tension block in the front and rear direction while rotating.
  • the treadmill may further include a drive motor which provides driving power to any one of the pair of rollers.
  • the rear rollers may include a first rear roller and a second rear roller which are disposed at both ends in the longitudinal direction of the rotation support unit so as to be spaced apart from each other.
  • At least one of the first rear roller and the second rear roller may provide a load to the rotation of the rear wheel corresponding to the inclination angle of the main frame.
  • the second rear roller may include: a fixed shaft which is elongated in a width direction of the rotation support unit; a cylindrical second rotary drum which has an outer surface with which the rear wheel is in contact, and is coupled to be rotatable about the fixed shaft; and a load generating means which is provided in the second rotary drum, and selectively generates a load in accordance with the rotation of the second rotary drum corresponding to the inclination angle of the main frame.
  • the load generating means may have a disc shape, may be fixedly coupled to the second rotary drum, and may have a central portion rotatably coupled to the fixed shaft.
  • the load generating means may increase a load to be applied to the rotation of the second rotary drum.
  • the first rear roller may rotate the rear wheel regardless of external force by a user.
  • the first rear roller may include: a cylindrical first rotary drum which has an outer surface with which the rear wheel is in contact, and is rotatably coupled to the rotation support unit; a drive motor which is fixed to the rotation support unit in the first rotary drum and rotated; and a gear means which is rotated by a first drive motor to rotate the first rotary drum, and allows the first rotary drum to rotate in one direction relative to the drive motor.
  • the front support unit may include the front roller which abuts against the front wheel and rotates together with the front wheel.
  • the plurality of front rollers may be provided to be disposed to be spaced apart from one another in the longitudinal direction of the main frame.
  • the main frame may further include a power transmission unit which is connected to the front roller and the rear roller and transmits rotational force of the rear roller to the front roller to allow the front roller to rotate together with the rear roller when the rear wheel is operated by external force applied by the user.
  • a power transmission unit which is connected to the front roller and the rear roller and transmits rotational force of the rear roller to the front roller to allow the front roller to rotate together with the rear roller when the rear wheel is operated by external force applied by the user.
  • the power transmission unit may include: a rear shaft which is provided on a rotation axis of the rotation support unit and the main frame, and has one side connected to any one of the first rear roller and the second rear roller by a separate transmission means such that the rear shaft is rotated together with the rear wheel when the rear wheel is rotated; a front shaft which is provided on a rotation axis of the main frame and the front roller, and rotated together with the front roller; and a circulation belt which is elongated, and has one side connected to the front shaft and the other side connected to the rear shaft, such that the circulation belt rotates the front shaft while circulating by the rotation of the rear shaft.
  • the rotation unit may include: a casing which is rotatably coupled to the central portion of the main frame in the longitudinal direction while having a main rotating shaft; a drive motor which is provided in the casing and selectively rotates; an arc portion which has an arc shape on the main frame, protrudes downward so that the main rotating shaft is positioned at a center of an arc, and has a rack gear that is formed on an inner surface of the arc so as to protrude in a direction toward the main rotating shaft; and one or more gear units which are connected to the drive motor, and engaged with the rack gear to rotate the arc portion.
  • the arc portions may be provided at both sides in a width direction of the main frame, respectively.
  • the main frame may include a plurality of unit links so that a part of the main frame in the longitudinal direction is selectively tilted.
  • the bicycle exercise apparatus of the present invention may include a guide unit which includes: a front frame which is positioned at a front side of the front wheel at one side in the longitudinal direction of the main frame and protrudes upward; a rear frame which is positioned at a rear side of the rear wheel at the other side in the longitudinal direction of the main frame and is elongated upward; and connecting wires which are elongated, are provided on the front frame and the rear frame, respectively, and each have one side detachably connected to a central portion of the bicycle in a width direction so as to support the bicycle so that the bicycle does not roll over.
  • the connecting wires may be spaced apart from the floor at a predetermined height, and provided, at the same height, on the front frame and the rear frame, respectively.
  • connecting wires may be detachably and selectively coupled to the bicycle through separate coupling means provided at one side in the longitudinal direction.
  • the connecting wire may include a material having elasticity.
  • the guide unit may further include a safety frame which is elongated, has both ends coupled to the front frame and the rear frame, respectively, at a predetermined height, and is disposed to be eccentric toward one side in the width direction of the main frame.
  • a safety frame which is elongated, has both ends coupled to the front frame and the rear frame, respectively, at a predetermined height, and is disposed to be eccentric toward one side in the width direction of the main frame.
  • the anti-slip grooves are formed at predetermined intervals on the outer circumferential surfaces of a driving roller and a driven roller, and the anti-slip protrusions, which correspond to the anti-slip grooves, are formed on the belt, such that the belt is moved while the anti-slip grooves and the anti-slip protrusions are engaged with one another in accordance with the rotation of the driving roller and the driven roller, and the friction reducing members for minimizing friction with the belt are provided on the upper portion of the deck, and as a result, it is possible to prevent a slip of the belt caused by high-speed traveling and prevent the user from rolling over caused by the slip of belt.
  • the bicycle is seated on the main frame having the front support unit and the rear support unit at both ends thereof, and an inclination angle of the main frame is selectively adjusted, such that when the user rides the bicycle, the user may have the same effect as when the user rides the bicycle on an inclined road.
  • the second rear roller provides a load in accordance with the rotation of the rear wheel by being selectively operated in accordance with an inclination direction of the main frame, and the first rear roller accelerates the rear wheel to a predetermined speed regardless of external force applied by the user by being selectively operated in accordance with an inclination direction of the main frame, such that the user may enjoy the same effect as when the user rides the bicycle on an uphill road and a downhill road.
  • the bicycle exercise apparatus includes the guide unit which is provided on the main frame at a predetermined height or higher and selectively coupled at the front and rear sides of the bicycle, and the guide unit with elasticity is connected to the front and rear sides of the bicycle and supports the bicycle, such that it is possible to prevent a rollover of the bicycle when the user rides the bicycle and to enable the dancing motion in the left and right direction, thereby implementing the same effect as when the user rides the bicycle on an actual road.
  • FIG. 1 is a view schematically illustrating a configuration of a bicycle exercise apparatus according to an exemplary embodiment of the present invention.
  • FIG. 2 is a view illustrating a side of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 3 is a view illustrating a top side of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 4 is a view illustrating a state in which a separate safety bar and a bicycle are seated on the bicycle exercise apparatus in FIG. 1 and the bicycle travels.
  • FIG. 5 is a view illustrating a state in which an inclination of a main frame of the bicycle exercise apparatus in FIG. 4 is adjusted.
  • FIG. 6 is a view schematically illustrating a configuration of a rotation unit of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 7 is a view illustrating detailed configurations an arc portion and a gear unit of the rotation unit in FIG. 6 .
  • FIG. 8 is a view illustrating an internal configuration of a second rear roller of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 9 is a view illustrating an internal configuration of a first rear roller of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 10 is a view illustrating a state in which the main frame of the bicycle exercise apparatus in FIG. 4 is inclined forward and upward.
  • FIG. 11 is a view illustrating a state in which the main frame of the bicycle exercise apparatus in FIG. 4 is inclined forward and downward.
  • FIGS. 12A and 12B show views illustrating a state in which a first rotary drum and a drive motor are relatively rotated in accordance with a rotational speed of the first rotary drum in the first rear roller of the bicycle exercise apparatus in FIG. 11 .
  • FIG. 13 is a view illustrating a top side of the bicycle exercise apparatus in FIG. 1 .
  • FIG. 14 is a view illustrating a state in which the bicycle is moved while dancing by a user in the bicycle exercise apparatus in FIG. 1 .
  • FIG. 15 is a view illustrating a state in which a connecting wire is coupled to the bicycle in the bicycle exercise apparatus in FIG. 1 .
  • FIG. 16 is a perspective view illustrating a bicycle exercise apparatus according to another exemplary embodiment of the present invention.
  • FIG. 17 is a perspective view illustrating a state in which a bicycle is installed on the bicycle exercise apparatus according to another exemplary embodiment of the present invention.
  • FIG. 18 is a view illustrating an external appearance of a front support unit according to another exemplary embodiment of the present invention.
  • FIG. 19 is a view illustrating an interior of the front support unit according to another exemplary embodiment of the present invention.
  • FIG. 20 is an enlarged view of part A in FIG. 19 .
  • FIG. 21 is an enlarged view of part B in FIG. 19 .
  • FIG. 22 is an enlarged view of part C in FIG. 19 .
  • FIG. 1 is a view schematically illustrating a configuration of a bicycle exercise apparatus according to an exemplary embodiment of the present invention
  • FIG. 2 is a view illustrating a side of the bicycle exercise apparatus in FIG. 1
  • FIG. 3 is a view illustrating a top side of the bicycle exercise apparatus in FIG. 1
  • FIG. 4 is a view illustrating a state in which a separate safety bar and a bicycle are seated on the bicycle exercise apparatus in FIG. 1 and the bicycle travels.
  • the bicycle exercise apparatus broadly includes a main frame 100 , a front support unit 200 , a rear support unit 300 , and a rotation unit 400 .
  • the main frame 100 is configured to substantially support a bicycle 10 and adjust an inclination, the main frame 100 is elongated and has a predetermined width, and the bicycle 10 is positioned on the main frame 100 .
  • the shape of the main frame 100 is formed by connecting a plurality of structures and is similar to a shape of a ladder.
  • the main frame 100 is elongated and has a predetermined width, and a central portion of the main frame 100 in a longitudinal direction is configured to be rotatable together with the rotation unit 400 to be described below.
  • a width of the main frame 100 is set to be sufficient for a user to seat himself/herself on the typical bicycle 10 in a state in which the bicycle 10 is positioned on the main frame 10 , and the front and rear support units 200 and 300 to be described below are provided at both ends in the longitudinal direction.
  • main frame 100 may be configured by continuously connecting a plurality of unit links 102 in the longitudinal direction, and the main frame 100 may be configured to be selectively tilted.
  • the longitudinal direction of the main frame 100 is a direction A that indicates a direction in which the bicycle 10 is disposed in a front and rear direction
  • a width direction of the main frame 100 is a direction B that indicates a left and right direction of the bicycle 10 .
  • the main frame 100 includes three or more unit links 102 in the longitudinal direction, the main frame 100 is configured to be tilted for convenience for the user, and therefore, a volume of the bicycle exercise apparatus is reduced such that the bicycle exercise apparatus is easily accommodated.
  • the main frame 100 may of course be integrally configured in the longitudinal direction.
  • the front support unit 200 is provided at one side of the main frame 100 in the longitudinal direction, and a front wheel 12 of the bicycle 10 is rotatably seated on the front support unit 200 .
  • the front support unit 200 has a front roller 202 which is provided at one side of the main frame 100 and supports the front wheel 12 of the bicycle 10 , and the front roller 202 is rotatably provided on the main frame 100 .
  • front roller 202 is in contact with the front wheel 12 and supports the front wheel 12 , and the front roller 202 is coupled to one side of the main frame 100 so as to be rotatable together with the front wheel 12 .
  • the front support unit 200 includes one or more front rollers 202 , and the front roller 202 is formed in the form of a cylindrical roller, such that the front roller 202 is rotatably coupled to one side of the main frame 100 in the longitudinal direction.
  • the front roller 202 which is provided as described above, has an outer surface that supports the front wheel 12 of the bicycle 10 and has frictional force at a predetermined level or larger so that the front wheel 12 of the bicycle 10 may be rotated together with the front roller 202 when the front roller 202 is rotated by external force.
  • the front support unit 200 includes the single front roller 202 , as illustrated, but otherwise, a plurality of front rollers 202 may be provided to be disposed to be spaced apart from one another in the longitudinal direction of the main frame 100 .
  • the plurality of front rollers 202 is disposed in parallel with a rotation axis of the front wheel 12 so as to be spaced apart from one another in the longitudinal direction of the main frame 100 .
  • the rear support unit 300 is provided at the other side of the main frame 100 and supports a rear wheel 14 of the bicycle 10 so that the rear wheel 14 is rotatable, and the rear support unit 300 broadly includes a rotation support unit 310 and rear rollers 320 .
  • the rotation support unit 310 has a predetermined length and a width corresponding to the width of the main frame 100 , and a central portion of the rotation support unit 310 in the longitudinal direction is rotatably coupled to the other side of the main frame 100 in the longitudinal direction.
  • the rotation support unit 310 is elongated in the form of a frame and rotatably coupled to the main frame 100 , and the rear rollers 320 to be described below are rotatably coupled to the rotation support unit 310 separately from the main frame 100 .
  • the rotation support unit 310 has a width relatively smaller than the width of the main frame 100 and is rotatably coupled to the other side of the main frame 100 .
  • the rotation support unit 310 is also formed in the form of a frame and has a predetermined width, and the rear rollers 320 are rotatably coupled to the rotation support unit 310 .
  • the rotation support unit 310 which is configured as described above, is maintained in a horizontal state, and when an inclination of the main frame 100 is changed, the rotation support unit 310 is relatively rotated at the other side of the main frame 100 corresponding to the change in the inclination of the main frame 100 , thereby maintaining the horizontal state.
  • one or more rear rollers 320 are provided on the rotation support unit 310 , and disposed perpendicular to a traveling direction of the bicycle 10 .
  • the rear roller 320 supports the rear wheel 14 of the bicycle 10 and rotates together with the rear wheel 14 of the bicycle 10 when the rear wheel 14 of the bicycle 10 is rotated by the user's operation.
  • one or more rear rollers 320 are provided, the rear roller 320 has a rotation axis perpendicular to the traveling direction of the bicycle 10 , and the rear roller 320 is rotatably coupled to the rotation support unit 310 .
  • the rear rollers 320 include a pair of first and second rear rollers 322 and 324 , and the first and second rear rollers 322 and 324 are disposed at both ends in the longitudinal direction of the rotation support unit 310 so as to be spaced apart from each other.
  • the rear wheel 14 of the bicycle 10 is supported by the first rear roller 322 and the second rear roller 324 .
  • first rear roller 322 and the second rear roller 324 have rotation axes parallel to each other on the rotation support unit 310 , and the first rear roller 322 and the second rear roller 324 are disposed to be spaced apart from each other in the longitudinal direction of the rotation support unit 310 and configured to be rotated together with the rear wheel 14 of the bicycle 10 when the rear wheel 14 of the bicycle 10 is rotated by the user.
  • first rear roller 322 and the second rear roller 324 are provided at both ends of the rotation support unit 310 in the longitudinal direction, and the central portion of the rotation support unit 310 in the longitudinal direction is provided at the other side of the main frame 100 .
  • the rear support unit 300 has the separate rotation support unit 310 , such that the rear rollers 320 are rotatably coupled to the rotation support unit 310 instead of being coupled directly to the main frame 100 .
  • the rotation support unit 310 maintains the horizontal state by a load of the bicycle 10 of which the rear wheel 14 is seated on the rear rollers 320 .
  • the rotation support unit 310 may be maintained in the horizontal state because a load of the bicycle 10 is applied to the rotation support unit 310 .
  • the rotation support unit 310 since the rotation support unit 310 is configured as described above, the rotation support unit 310 maintains the horizontal state while relatively rotating on the main frame 100 corresponding to a rotation angle of the main frame 100 , and the bicycle 10 seated on the main frame 100 is supported by the first rear roller 322 and the second rear roller 324 so that the bicycle 10 is not moved downward even though the main frame 100 has an inclination.
  • the rotation unit 400 supports the main frame 100 so that the main frame 100 is positioned at a predetermined height from a floor, and the rotation unit 400 is rotatably coupled to the central portion of the main frame 100 in the longitudinal direction while having a main rotating shaft 402 , and adjusts the inclination angle of the main frame 100 .
  • the rotation unit 400 has therein a separate drive motor (not illustrated) to rotate the main frame 100 , thereby adjusting the inclination angle of the main frame 100 .
  • the single rotation unit 400 is provided and configured to support the main frame 100 and selectively adjust the inclination angle of the main frame 100 .
  • the bicycle exercise apparatus may further include a control unit (not illustrated) which selectively adjusts the inclination angle of the main frame 100 by using the rotation unit 400 .
  • the control unit may be provided in the main frame 100 or the rotation unit 400 , and may adjust the inclination angle of the main frame 100 based on information about a traveling road which is provided from the outside or inputted to the control unit.
  • control unit may control the rotation unit 400 to adjust the inclination angle of the main frame 100 in order to implement an inclination identical to an inclination of an actual traveling road in accordance with a traveling distance when the bicycle 10 travels based on separate information about the traveling road.
  • a rotational speed of the rear roller 320 or a rotational speed of a driving roller 232 or a driven roller 234 of a treadmill 200 is measured to measure the traveling distance of the bicycle 10 , and the inclination angle of the main frame 100 is adjusted by comparing the traveling distance of the bicycle 10 with the information about an actual traveling road.
  • the bicycle exercise apparatus includes the main frame 100 , the front support unit 200 , the rear support unit 300 , the rotation unit 400 , and the control unit, and the user may exercise while riding the bicycle 10 in a state in which the front wheel 12 and the rear wheel 14 of the bicycle 10 are seated on the front support unit 200 and the rear support unit 300 , respectively.
  • the inclination angle of the main frame 100 is adjusted by the rotation unit 400 , and as a result, the user may enjoy the same effect as when the user rides the bicycle on an actual inclined road.
  • the main frame 100 may further include a separate power transmission unit 110 .
  • the power transmission unit 110 is connected to the front roller 202 and the rear roller 320 and transmits rotational force of the rear roller 320 to the front roller 202 when the rear wheel 14 is operated by external force applied by the user, thereby allowing the front roller 202 to be rotated together with the rear roller 320 .
  • the power transmission unit 110 includes a rear shaft 112 which is rotated together with the rear roller 320 in accordance with the rotation of the rear roller 320 , a front shaft 114 which is rotated together with the front roller 202 in accordance with the rotation of the front roller 202 , and a circulation belt 116 which is connected to the front shaft 114 and the rear shaft 112 and transmits the rotational force.
  • the rear shaft 112 is provided on the rotation axis of the rotation support unit 310 and the main frame 100 , and the rear shaft 112 is connected to any one of the first rear roller 322 and the second rear roller 324 by a separate transmission means 112 d and rotated in conjunction with the rotation of the rear wheel 14 .
  • the rear shaft 112 is elongated on the rotation axis of the rotation support unit 310 and the main frame 100 , one side of the rear shaft 112 protrudes outward from the main frame 100 , and a rear pulley 112 a is provided at one side of the rear shaft 112 .
  • the other side of the rear shaft 112 is connected to the first rear roller 322 by the belt-shaped transmission means 112 d , such that the rear shaft 112 is configured to be rotated together with the first rear roller 322 when the first rear roller 322 is rotated.
  • a second pulley 112 b may be provided at the other side of the rear shaft 112
  • a first pulley 112 c which is connected to the first rear roller 322 and rotated, may be provided on a rotation axis on which the first rear roller 322 and the rotation support unit 310 are coupled to each other
  • the transmission means 112 d is connected to the first pulley 112 c and the second pulley 112 b and configured to transmit the rotational force of the first rear roller 322 to the rear shaft 112 while circulating.
  • the transmission means 112 d and the first pulley 112 c may of course be provided on the second rear roller 324 and connected to the second rear roller 324 .
  • the rear shaft 112 is provided on the rotation axis on which the rear support unit and the main frame 100 are coupled to each other, and the rear shaft 112 is configured to be rotated by receiving the rotational force of the rear roller 320 .
  • the front shaft 114 is formed similar to the rear shaft 112 , provided on the rotation axis of the main frame 100 and the front roller 202 , and rotated together with the front roller 202 .
  • the front shaft 114 is elongated on the rotation axis of the front roller 202 , one side of the front shaft 114 protrudes outward from the main frame 100 , and a front pulley 114 a is provided at one side of the front shaft 114 . Further, the other side of the front shaft 114 is connected to the front roller 202 and configured to be rotated together with the front roller 202 .
  • the front shaft 114 is formed to protrude toward one side in the width direction of the main frame 100 , as illustrated, but otherwise, the front shaft 114 may protrude toward both sides and the front pulleys 114 a may be provided at both sides of the front shaft 114 .
  • the front shaft 114 is provided on the rotation axis of the front roller 202 and the main frame 100 and configured to be rotatable together with the front roller 202 .
  • the circulation belt 116 is elongated, one side of the circulation belt 116 is connected to the front shaft 114 , the other side of the circulation belt 116 is connected to the rear shaft 112 , and the circulation belt 116 rotates the front shaft 114 while circulating by the rotation of the rear shaft 112 .
  • the circulation belt 116 is connected to the front pulley 114 a and the rear pulley 112 a , and rotates the front pulley 114 a together with the rear pulley 112 a while circulating when the rear pulley 112 a is rotated.
  • the circulation belt 116 is formed in the form of a belt having elasticity, connected to the front pulley 114 a and the rear pulley 112 a , and configured to transmit the rotational force while circulating, but otherwise, the circulation belt 116 may be formed in the form of a chain or a track.
  • the power transmission unit 110 is configured as described above, and the rotational force by which the rear roller 320 is rotated by the rear wheel 14 is transmitted to the front roller 202 through the power transmission unit 110 , such that the front wheel 12 may be rotated together with the rear wheel 14 .
  • the power transmission unit 110 is provided to transmit the rotational force of the rear roller 320 , which is rotated together with the rear wheel 14 , to the front roller 202 , thereby rotating the front wheel 12 together with the rear wheel 14 .
  • the power transmission unit 110 transmits the rotational force of the rear wheel 14 to the front roller 202 in order to rotate the front roller 202 , and as a result, the front wheel 12 may also be rotated together with the rear wheel 14 .
  • the user since the front wheel 12 and the rear wheel 14 of the bicycle 10 are rotated together, the user may ride the bicycle 10 seated on the main frame 100 without a separate safety device, and the user may enjoy left and right dancing motions when riding the bicycle 10 in a similar way as the user actually rides the bicycle 10 .
  • the bicycle exercise apparatus is configured as described above and additionally includes a separate safety bar 500 and a separate connecting wire 510 , and the safety bar 500 and the connecting wire 510 may be used as safety devices for preventing excessive motion and withdrawal of the bicycle 10 when the bicycle 10 is seated on the main frame 100 .
  • FIG. 5 is a view illustrating a state in which the inclination of the main frame of the bicycle exercise apparatus in FIG. 4 is adjusted.
  • the rotation unit 400 rotates the main frame 100 clockwise so that the main frame 100 has an upward inclination in order to implement a state in which the bicycle 10 seated on the main frame 100 of the bicycle exercise apparatus according to the present invention travels an uphill road.
  • the rotation support unit 310 is rotated relative to the other side of the main frame 100 by a weight of the rear wheel 14 seated on the rear roller 320 , thereby maintaining the horizontal state.
  • the rotation support unit 310 is rotated counterclockwise, that is, in a direction opposite to the direction of the main frame 100 .
  • the rear support unit which includes the pair of rollers, supports the rear wheel 14 of the bicycle 10 , thereby preventing the bicycle 10 from falling down in the direction toward the other side of the main frame 100 .
  • FIG. 6 is a view schematically illustrating a configuration of the rotation unit of the bicycle exercise apparatus in FIG. 1
  • FIG. 7 is a view illustrating detailed configurations an arc portion and a gear unit of the rotation unit in FIG. 6 .
  • the rotation unit 400 is configured to support the main frame 100 at the lower side of the main frame 100 and to adjust the inclination angle of the main frame 100 by the control unit, and the rotation unit 400 broadly includes a casing 410 , a drive motor 420 , an arc portion 430 , and a gear unit 440 .
  • the casing 410 supports the main frame 100 at a predetermined height or higher from the floor and accommodates therein the drive motor 420 and the gear unit 440 .
  • an upper portion of the casing 410 is rotatably coupled to the central portion of the main frame 100 in the longitudinal direction while having the main rotating shaft 402 , and a lower portion of the casing 410 is positioned on the floor.
  • the drive motor 420 is provided in the casing 410 and configured to rotate the main frame 100 about the main rotating shaft 402 by being operated by the control unit.
  • one or more drive motors 420 may be provided, and the driver motor 420 is connected to the main rotating shaft 402 to rotate the main frame 100 to a predetermined angle.
  • the drive motor 420 may be coupled directly to the main rotating shaft 402 while having the same rotation axis as the main frame 100 , but otherwise, as illustrated, the drive motor 420 may be coupled to the main rotating shaft 402 through the gear unit 440 .
  • the arc portion 430 is formed to protrude downward from the main frame 100 and configured to rotate the main frame 100 by receiving rotational force of the drive motor 420 , and the arc portion 430 has an arc shape on the main frame 100 and protrudes downward so that the main rotating shaft 402 is positioned at a center of an arc.
  • a pair of arc portions 430 is provided to be symmetrically disposed at left and right sides of the main frame 100 and fixedly coupled to the main frame 100 so that the center of the arc is positioned on the main rotating shaft 402 .
  • the arc portion 430 has a rack gear 432 which is formed on an inner surface of the arc so as to protrude in a rotation axis direction, and the arc portion 430 is rotated about the main rotating shaft 402 by receiving rotational force of the drive motor 420 .
  • the arc portion 430 is rotated about the main rotating shaft 402 as the rack gear 432 slides along the arc by receiving rotational force by the drive motor 420 and the gear unit 440 to be described below which are accommodated in the casing 410 .
  • the arc portion 430 receives the rotational force of the drive motor 420 as the rack gear 432 , which is formed on the inner surface of the arc so as to protrude in the direction toward the main rotating shaft 402 , meshes with the gear unit 440 to be described below.
  • gear units 440 are provided and connected to the drive motor 420 , and the gear unit 440 is engaged with the rack gear 432 formed on the arc portion 430 , thereby rotating the arc portion 430 .
  • the gear unit 440 is connected to a rotating shaft of the drive motor 420 and rotated, and the gear unit 440 meshes with the rack gear 432 formed on the arc portion 430 , thereby allowing the arc portion 430 to be rotated about the main rotating shaft 402 .
  • the gear unit 440 is configured such that a plurality of gears meshes one another, but otherwise, the gear unit 440 may include a single gear that is connected directly to the drive motor 420 and meshes with the rack gear 432 .
  • the rotation unit 400 adjusts the inclination angle of the main frame 100 as the drive motor 420 configured in the rotation unit 400 is selectively operated by the control unit.
  • the rotation unit 400 is configured to selectively provide a load to at least one of the first rear roller 322 and the second rear roller 324 , and provides a load in accordance with the rotation of the rear wheel 14 by the control unit corresponding to the inclination angle of the main frame 100 .
  • the rear roller 320 generates a load in accordance with the rotation when the main frame 100 has an inclination by the rotation unit 400 to be described below and the rear wheel 14 is changed to a position lower than the front wheel 12 .
  • FIG. 8 is a view illustrating an internal configuration of the second rear roller of the bicycle exercise apparatus in FIG. 1
  • FIG. 9 is a view illustrating an internal configuration of the first rear roller of the bicycle exercise apparatus in FIG. 1 .
  • the second rear roller 324 is configured in the rotation support unit 310 so as to be rotatable while having a rotation axis, and the rear wheel 14 is in contact with an outer surface of the second rear roller 324 , such that the second rear roller 324 is rotated together with the rear wheel 14 when the rear wheel 14 is rotated.
  • the second rear roller 324 is provided at a rear side in the longitudinal direction of the rotation support unit 310
  • the first rear roller 322 is provided at a front side in the longitudinal direction of the rotation support unit 310 .
  • the second rear roller 324 broadly includes a fixed shaft 324 c , a second rotary drum 324 a , and a load generating means 324 b.
  • the fixed shaft 324 c is a rotating shaft of the second rear roller 324 , the fixed shaft 324 c is elongated in the width direction of the rotation support unit 310 , and both ends of the fixed shaft 324 c are fixedly coupled to the rotation support unit 310 .
  • the second rotary drum 324 a has an outer surface that is in contact with the rear wheel 14 , and the second rotary drum 324 a is configured to be rotatable about the fixed shaft 324 c.
  • the outer surface of the second rotary drum 324 a is in contact with the rear wheel 14 , and the second rotary drum 324 a is formed in a cylindrical shape and coupled to be rotatable about the fixed shaft 324 c.
  • the second rotary drum 324 a is rotated together with the rear wheel 14 about the fixed shaft 324 c.
  • the load generating means 324 b is provided in the second rotary drum 324 a , and selectively generates a load in accordance with the rotation of the second rotary drum 324 a corresponding to the inclination angle of the main frame 100 .
  • the load generating means 324 b is configured to be rotatable about the fixed shaft 324 c in the second rotary drum 324 a , and at least a part of the load generating means 324 b is fixedly coupled to the second rotary drum 324 a.
  • the load generating means 324 b is rotated about the fixed shaft 324 c together with the second rotary drum 324 a when the second rotary drum 324 a is rotated by the rear wheel 14 .
  • the load generating means 324 b is selectively operated by the control unit, and in the present exemplary embodiment, the load generating means 324 b is formed in the form of a disc and fixedly coupled to an inner surface of the second rotary drum 324 a.
  • a central portion of the load generating means 324 b is rotatably coupled to the fixed shaft 324 c by a separate bearing.
  • the second rotary drum 324 a is also rotated together with the rear wheel 14 , and the load generating means 324 b is selectively operated corresponding to the inclination angle of the main frame 100 , thereby providing a load in accordance with the rotation of the second rotary drum 324 a.
  • the load generating means 324 b is configured to generate a load in accordance with the rotation relative to the fixed shaft 324 c by providing electric power to a generally used disc.
  • the first rear roller 322 has therein a drive motor 322 b to rotate the first rear roller 322 when the main frame 100 is disposed to have a downward inclination, thereby artificially rotating the rear wheel 14 .
  • the first rear roller 322 broadly includes a first rotary drum 322 a , the drive motor 322 b , and gear means 322 c and 322 d.
  • the first rotary drum 322 a Similar to the second rotary drum 324 a , the first rotary drum 322 a has a cylindrical shape, the first rotary drum 322 a is disposed in an elongated manner in the width direction of the rotation support unit 310 , and the rear wheel 14 is in contact with an outer surface of the first rotary drum 322 a . Therefore, the first rotary drum 322 a is rotated together with the rear wheel 14 when the rear wheel 14 is rotated.
  • the drive motor 322 b is provided in the first rotary drum 322 a and connected to the first rotary drum 322 a through the gear means 322 c and 322 d , thereby rotating the first rotary drum 322 a.
  • the drive motor 322 b is operated by the control unit, and a rotational speed of the drive motor 322 b is adjusted corresponding to the inclination angle of the main frame 100 .
  • the gear means 322 c and 322 d are provided in the drive motor 322 b and the first rotary drum 322 a and transmit rotational force of the drive motor 322 b to the first rotary drum 322 a , thereby rotating the first rotary drum 322 a.
  • the gear means 322 c and 322 d include a ratchet 322 c which is provided on a rotating shaft of the drive motor 322 b , and a catching member 322 d which protrudes from a surface of the first rotary drum 322 a and is selectively caught by the ratchet 322 c.
  • ratchet 322 c which is rotated by the drive motor 322 b , and the first rotary drum 322 a are relatively rotated in one direction.
  • the gear means 322 c and 322 d are means for protecting the drive motor 322 b when the first rotary drum 322 a and the drive motor 322 b are rotated, and the gear means 322 c and 322 d are configured such that the rotating shaft of the drive motor 322 b and the first rotary drum 322 a may be relatively rotated in one direction.
  • first rear roller 322 and the second rear roller 324 according to the present invention are configured as described above, it is possible to implement likeness of traveling on the inclined road by tilting the main frame 100 when the user rides the bicycle, and to implement acceleration and deceleration of the bicycle in accordance with an uphill road and a downhill road.
  • FIG. 10 is a view illustrating a state in which the main frame of the bicycle exercise apparatus in FIG. 4 is inclined forward and upward
  • FIG. 11 is a view illustrating a state in which the main frame of the bicycle exercise apparatus in FIG. 4 is inclined forward and downward
  • FIGS. 12A and 12B show views illustrating a state in which the first rotary drum and the drive motor are relatively rotated corresponding to a rotational speed of the first rotary drum of the first rear roller of the bicycle exercise apparatus in FIG. 11 .
  • FIG. 10 illustrates a state in which the bicycle exercise apparatus implements an uphill road, that is, the main frame 100 is tilted clockwise to a predetermined angle by the rotation unit 400 .
  • the rotation support unit 310 maintains the horizontal state by the relative rotation between the main frame 100 and the rotation support unit 310 , and the first rear roller 322 and the second rear roller 324 are rotated clockwise by the rotation of the rear wheel 14 .
  • control unit detects an inclination direction and an inclination angle of the main frame 100 and operates the load generating means 324 b corresponding to the inclination direction and the inclination angle of the main frame 100 , such that a load is generated in accordance with the rotation of the second rear roller 324 , thereby providing a load in accordance with the rotation of the rear wheel 14 .
  • the drive motor 322 b provided in the first rear roller 322 is not operated, and only the first rotary drum 322 a is independently rotated by the gear means 322 c and 322 d in accordance with the rotation of the rear wheel 14 .
  • the bicycle exercise apparatus implements a state in which the user rides the bicycle on an uphill road as the main frame 100 is tilted to be inclined forward and upward and a load is generated only by the second rear roller 324 .
  • the main frame 100 when the main frame 100 is tilted counterclockwise by the rotation unit 400 to implement a downhill road as illustrated in FIG. 11 , the main frame 100 is disposed to be inclined forward and downward, and the rotation support unit 310 maintains the horizontal state while rotating relative to the main frame 100 .
  • control unit detects the inclination direction and the inclination angle of the main frame 100 , and rotates the first rear roller 322 .
  • control unit operates the drive motor 322 b provided in the first rear roller 322 , and the first rotary drum 322 a is rotated by the rotation of the drive motor 322 b , thereby rotating the rear wheel 14 .
  • the bicycle is accelerated by gravity when the user rides the bicycle on a downhill road, and similarly, acceleration is implemented at a predetermined level as the first rear roller 322 is rotated by the drive motor 322 b regardless of external force applied by the user.
  • the user may rotate the rear wheel 14 regardless of a rotational speed of the drive motor 322 b in a state in which the first rotary drum 322 a is rotated by the drive motor 322 b.
  • the gear formed on the ratchet 322 c is not caught by the catching member 322 d , such that the first rotary drum 322 a is independently rotated.
  • the rear wheel 14 is rotated at a predetermined speed by the drive motor 322 b , and the user may rotate the rear wheel 14 at a speed higher than the rotational speed of the drive motor 322 b in accordance with the user's selection.
  • the bicycle exercise apparatus may more precisely implement likeness of traveling on the inclined road by the first rear roller 322 and the second rear roller 324 , and as a result, the user may enjoy the exercise similar to actually traveling on the road.
  • the bicycle exercise apparatus includes a guide unit.
  • the guide unit 500 is provided on the main frame 100 and configured to prevent a rollover of the bicycle 10 when the user rides the bicycle 10 by restricting a part of the motion of the bicycle 10 in a state in which the bicycle 10 is seated on the main frame 100 .
  • FIG. 13 is a view illustrating a top side of the bicycle exercise apparatus in FIG. 1
  • FIG. 14 is a view illustrating a state in which the bicycle is moved while dancing by the user in the bicycle exercise apparatus in FIG. 1 .
  • the guide unit 500 broadly includes a front frame 510 , a rear frame 520 , and connecting wires 530 .
  • the front frame 510 is positioned at a front side of the front wheel 12 at one side in the longitudinal direction of the main frame 100 , and the front frame 510 protrudes upward in an elongated manner.
  • the rear frame 520 is positioned at a rear side of the rear wheel 14 at the other side in the longitudinal direction of the main frame 100 , and the rear frame 520 protrudes upward in an elongated manner.
  • the front frame 510 and the rear frame 520 are detachably coupled to the main frame 100 , but otherwise, the front frame 510 and the rear frame 520 may be configured integrally with the main frame 100 .
  • the connecting wires 530 are provided on the front frame 510 and the rear frame 520 , respectively, and one side of each of the connecting wires 530 is connected to a central portion of the bicycle 10 in the width direction, thereby supporting the bicycle 10 so that the bicycle 10 does not roll over.
  • the connecting wires 530 are provided at positions spaced apart from the floor at a predetermined height in a direction toward upper portions of the front frame 510 and the rear frame 520 , and the connecting wires 530 are provided at the same height.
  • the other sides of the connecting wire 530 are fixedly coupled to the front frame 510 and the rear frame 520 , and a separate coupling means 532 is provided at one side of each of the connecting wires 530 .
  • connecting wires 530 are coupled to a frame of the bicycle 10 through the coupling means 532 when the bicycle 10 is seated on the main frame 100 .
  • one or more coupling means 532 are provided and detachably coupled to the bicycle 10 .
  • the connecting wire 530 may be elongated in the form of a wire and made of a material having elasticity at a predetermined level, and the connecting wire 530 supports the bicycle 10 so that the bicycle 10 does not roll over and allows the bicycle 10 to dance in a left and right direction, as illustrated in FIG. 14 , when the bicycle 10 travels by external force applied by the user.
  • the other sides of the connecting wires 530 may be positioned on the front frame 510 and the rear frame 520 at a central portion of the main frame 100 in the width direction, and as a result, the bicycle 10 may be stably supported on the main frame 100 .
  • the coupling means 532 is formed in various shapes and configured such that the connecting wires 530 are selectively and fixedly coupled to the bicycle 10 .
  • FIG. 15 is a view illustrating a state in which the connecting wires are coupled to the bicycle in the bicycle exercise apparatus in FIG. 1 .
  • the coupling means 532 is formed in the form of a bracket 532 a , and the connecting wire 530 may be fixed to the bicycle 10 through a separate fixing pin 532 b .
  • the coupling means 532 may of course be formed in various shapes in addition to the bracket 532 a , and any other shape may be applied to the coupling means 532 as long as the coupling means 532 may be selectively fixed to the frame of the bicycle 10 .
  • the coupling means 532 are selectively coupled to the bicycle 10 as described above, the bicycle 10 is fixed by the connecting wires 530 so as not to roll over, and the bicycle 10 is supported to perform left and right dancing motions to a certain degree by external force applied by the user.
  • the connecting wire 530 is made of metal or synthetic resin which is a material having elasticity at a predetermined level, and a degree to which the left and right dancing motions of the bicycle 10 are restricted may be adjusted in accordance with a material of the connecting wire 530 .
  • the guide unit 500 is configured to prevent the user's safety accident caused by a rollover of the bicycle 10 when the bicycle 10 seated on the main frame 100 travels, and to allow a motion in the width direction to a predetermined level or higher, thereby implementing the same effect as when the user rides the bicycle on an actual road.
  • the guide unit 500 may further include a safety frame 540 in addition to the front frame 510 , the rear frame 520 , and the connecting wire 530 .
  • the safety frame 540 is elongated, both ends of the safety frame 540 are coupled to the front frame 510 and the rear frame 520 at a predetermined height, and the safety frame 540 is disposed to be eccentric toward one side in the width direction of the main frame 100 .
  • the safety frame 540 is formed in a bar shape, and both ends of the safety frame 540 are connected to the front frame 510 and the rear frame 520 , respectively.
  • the safety frame 540 is disposed to be eccentric toward one side so that the user or the bicycle 10 does not interfere with the safety frame 540 when the bicycle 10 is seated on the main frame 100 .
  • the safety frame 540 supports the bicycle 10 to prevent a rollover of the bicycle 10 , or the user grasps the safety frame 540 , and as a result, it is possible to prevent a safety accident.
  • the safety frame 540 together with the connecting wire 530 , is used as an auxiliary safety means for preventing a falling accident by allowing the user to stably keep his/her balance on the bicycle 10 or allowing the user to directly grasp the safety frame 540 when the bicycle is about to roll over.
  • the guide unit 500 is provided in the bicycle exercise apparatus as described above, it is possible to prevent an inadvertent rollover of the bicycle 10 when the user exercises by using the bicycle 10 , and to implement the left and right dancing motions of the bicycle 10 by external force applied by the user.
  • FIG. 16 is a perspective view illustrating a bicycle exercise apparatus according to another exemplary embodiment of the present invention
  • FIG. 17 is a perspective view illustrating a state in which a bicycle is installed on the bicycle exercise apparatus according to another exemplary embodiment of the present invention.
  • the bicycle exercise apparatus broadly includes the main frame 100 , the front support unit 200 , the rear support unit 300 , the rotation unit 400 , and the guide unit 500 .
  • main frame 100 the rear support unit 300 , the rotation unit 400 , and the guide unit 500 are identical to those in the exemplary embodiment of the present invention, descriptions of the identical configurations and operations will be omitted.
  • the front support unit 200 in the present exemplary embodiment is a treadmill 200
  • the front support unit 200 is provided at one side of the main frame 100 and supports the front wheel 12 of the bicycle 10 .
  • FIG. 18 is a view illustrating an external appearance of the front support unit according to another exemplary embodiment of the present invention
  • FIG. 19 is a view illustrating an interior of the front support unit according to another exemplary embodiment of the present invention.
  • the treadmill 200 which is the front support unit 200 of the present exemplary embodiment, includes a pair of frames 210 , a deck 220 , a pair of rollers, a belt 240 , and a drive motor 250 .
  • the pair of frames 210 has a length in the traveling direction, and is disposed to be spaced apart from each other while facing each other.
  • the deck 220 is positioned between the pair of frames 210 and abuts against the front wheel 12 , thereby supporting a load of the bicycle 10 applied from above.
  • the pair of rollers includes the driving roller 232 which is connected to the drive motor 250 for providing driving power, and the driven roller 234 which is rotated together with the driving roller 232 in accordance with the rotation of the driving roller 232 .
  • the driving roller 232 and the driven roller 234 may be rotated by the drive motor 250 , but the driving roller 232 and the driven roller 234 may be rotated by the rotation of the front wheel 12 of the bicycle 10 even in a state in which the drive motor 250 is not operated.
  • FIG. 20 is an enlarged view of part A in FIG. 19 .
  • the driving roller 232 and the driven roller 234 are disposed at front and rear sides of the deck 220 , respectively, and installed between the pair of frames 210 so as to be rotatable in the same direction, and as illustrated in FIG. 20 , anti-slip grooves 232 a and 234 a are formed at predetermined intervals in a circumferential direction on outer circumferential surfaces of the driving roller 232 and the driven roller 234 .
  • the belt 240 is installed to surround the driving roller 232 , the driven roller 234 , and the deck 220 from the outside, and moved in conjunction with the rotation of the driving roller 232 . Further, as illustrated in FIG. 20 , anti-slip protrusions 240 a , which correspond to the anti-slip grooves 232 a and 234 a , are formed on a surface of the belt 240 which abuts against the driving roller 232 and the driven roller 234 .
  • the bicycle 10 travels at a higher speed than a person running, and a larger load is applied when a person rides the bicycle 10 on the treadmill 200 than when a person runs on the treadmill 200 , and as a result, the belt may slip on the roller when the belt is operated at a high speed. This phenomenon often occurs on the typical treadmill 200 .
  • the anti-slip grooves 232 a and 234 a and the anti-slip protrusions 240 a are formed on the driving roller 232 , the driven roller 234 , and the belt 240 of the treadmill 200 in the present exemplary embodiment and engaged with one another, and as a result, it is possible to prevent a slip of the belt 240 .
  • friction reducing members 222 may be provided on an upper surface of the deck 220 in order to reduce friction by minimizing a contact area with the belt 240 .
  • FIG. 21 is an enlarged view of part B in FIG. 19 .
  • the friction reducing member 222 may include a ring-shaped support portion 222 a which has a hollow portion, and a spherical rotating portion 222 b which is positioned in the hollow portion of the support portion 222 a and in contact with the belt 240 so as to be rotated in conjunction with the movement of the belt 240 .
  • a ball is embedded in the ring-shaped support portion 222 a in order to allow the rotating portion 222 b to smoothly rotate, and the rotating portion 222 b is rotated in a state in which the ball and the rotating portion 222 b are in point-to-point contact with each other.
  • the treadmill 200 according to the present exemplary embodiment is more suitable for a high-speed operation in comparison with the typical treadmill 200 .
  • the rotating portion 222 b is not limited to the aforementioned configuration, and any configuration may be applied as long as the configuration may reduce friction between the deck 220 and the belt 240 .
  • the treadmill 200 is mechanically connected to the driven roller 234 and may be configured to adjust tension of the belt 240 by adjusting a distance between the driving roller 232 and the driven roller 234 .
  • FIG. 22 is an enlarged view of part C in FIG. 19 .
  • a tension block 236 to which a rotating shaft 234 b of the driven roller 234 is coupled and which is coupled to be movable in the front and rear direction with respect to the frame 210 , may be provided, and a tension adjusting member 238 , which fastens the frame 210 and the tension block 236 and moves the tension block 236 in the front and rear direction while rotating, may be provided.
  • the configuration for adjusting tension of the belt 240 by using the tension block 236 and the tension adjusting member 238 is just one exemplary embodiment, and various configurations may be applied as long as tension of the belt 240 may be adjusted.
  • the front wheel 12 of the bicycle 10 is supported by the treadmill 200 as described above, the front wheel 12 and the treadmill 200 are in surface-to-surface contact with each other, such that the user may feel the same likeness as when the user rides the bicycle on an actual road.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rehabilitation Tools (AREA)
  • Motorcycle And Bicycle Frame (AREA)
US15/553,581 2015-02-27 2016-02-29 Bicycle exercise apparatus Abandoned US20180036619A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
KR1020150028309A KR101643378B1 (ko) 2015-02-27 2015-02-27 자전거 운동장치
KR10-2015-0028309 2015-02-27
KR10-2015-0028316 2015-02-27
KR1020150028316A KR101730127B1 (ko) 2015-02-27 2015-02-27 가이드유닛이 구비된 자전거 운동장치
KR10-2015-0036712 2015-03-17
KR1020150036712A KR101730130B1 (ko) 2015-03-17 2015-03-17 경사로 구현 기능을 가지는 자전거 운동장치
KR1020150187430A KR101811777B1 (ko) 2015-12-28 2015-12-28 트레드밀 및 이를 포함하는 자전거 운동장치
KR10-2015-0187430 2015-12-28
PCT/KR2016/002011 WO2016137305A1 (ko) 2015-02-27 2016-02-29 자전거 운동장치

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US15/553,581 Abandoned US20180036619A1 (en) 2015-02-27 2016-02-29 Bicycle exercise apparatus

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US (1) US20180036619A1 (zh)
CN (1) CN107427714A (zh)
WO (1) WO2016137305A1 (zh)

Cited By (8)

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JP2021142107A (ja) * 2020-03-12 2021-09-24 公生 ▲高▼橋 自転車用トレーニング装置
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