WO2008088153A1 - Planche médicale avec marchepied à air - Google Patents

Planche médicale avec marchepied à air Download PDF

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Publication number
WO2008088153A1
WO2008088153A1 PCT/KR2008/000223 KR2008000223W WO2008088153A1 WO 2008088153 A1 WO2008088153 A1 WO 2008088153A1 KR 2008000223 W KR2008000223 W KR 2008000223W WO 2008088153 A1 WO2008088153 A1 WO 2008088153A1
Authority
WO
WIPO (PCT)
Prior art keywords
board frame
air
shock absorbing
board
leg
Prior art date
Application number
PCT/KR2008/000223
Other languages
English (en)
Inventor
Jong Seon Kim
Original Assignee
Jong Seon Kim
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 KR1020070004687A external-priority patent/KR100844000B1/ko
Priority claimed from KR1020070042615A external-priority patent/KR100877908B1/ko
Application filed by Jong Seon Kim filed Critical Jong Seon Kim
Priority to EP08704762A priority Critical patent/EP2107923A4/fr
Priority to US12/523,162 priority patent/US20100029443A1/en
Priority to JP2009545496A priority patent/JP2010515525A/ja
Publication of WO2008088153A1 publication Critical patent/WO2008088153A1/fr

Links

Classifications

    • 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
    • A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
    • A63B23/0458—Step exercisers without moving parts
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0063—Shock absorbers

Definitions

  • the present invention relates, in general, to an air step board for health, which is used for conducting repeated skipping and landing, and absorbs shocks generated during exercise, using air pressure, thus mitigating the shocks. More particularly, the present invention relates to an air step board for health, in which a board frame is manufactured through injection molding using synthetic resin, and reinforcing ribs are provided in the board frame in such a way as to cross each other, thus increasing strength and realizing lightness, and in which an upper plate made of a shock absorbing material is welded to the reinforcing ribs, thus ensuring easy workability and preventing the upper plate from being removed from the board frame, and in which an air circulation unit having a perforated member surrounded with a casing is fitted into a ventilation opening formed in the upper end of a shock absorbing leg, thus preventing the removal of the air circulation unit and preventing noise from being generated by the sudden compression of the shock absorbing leg, when the air is discharged from the shock absorbing leg.
  • an air step board for health is sports equipment that is placed on a living room or a room floor and is used to repeatedly perform stationary jumping, skipping, and landing.
  • the air step board includes a board frame which comprises a flat plate, a sheet member which surrounds the upper surface or the entire outer surface of the board frame, and shock absorbing legs which are attached to corners of the underside of the board frame, thus spacing the board frame apart from the floor and reducing the noise that is generated when landing.
  • an air step board includes a board frame having the shape of a plate. Shock absorbing legs are provided on corners of the underside of the board frame, and function to absorb shocks applied to the board frame, in addition to supporting the board frame. Each shock absorbing leg includes a body which is open at the top thereof and has air circulation holes in the upper surface thereof. An air control member having flanges at regular intervals is fitted into the upper portion of the body. A disc-shaped cover is attached to the air control member.
  • An air step board of Korean U.M. Registration No. 20-385431 includes a rectangular board frame. Shock absorbing legs are mounted to corners of the underside of the board frame. Each shock absorbing leg includes an integral body, with a coil spring installed in the body. Alternatively, the shock absorbing leg may include a fixed body and a movable body which are separately manufactured and are subsequently coupled to each other, with a coil spring elastically installed in the space between the fixed and movable bodies. When a user jumps on the board frame, the coil spring is compressed and extended along with the body of the leg, thus absorbing shocks. Alternatively, the movable body moves relative to the fixed body to compress or extend the coil spring, thus absorbing shocks.
  • No. 20-421118 is mounted to the underside of a board frame, and functions to absorb and withstand a load applied to the board frame.
  • the shock absorbing leg is open at the top thereof, and is constructed so that a cushioning member having in the center of the bottom thereof an air discharge hole is integrally provided on the bottom of a leg body.
  • a vertical passage is formed through the cushioning member in such a way as to communicate with the air discharge hole, which is formed in the center of the cushioning member, and a plurality of horizontal passages is formed in the bottom of the cushioning member in such a way as to communicate with the vertical passage.
  • Patent No. 10-446588 are constructed as follows. That is, a bolt is provided on each corner of the underside of the air step board, and a screw hole is formed in the upper portion of the shock absorbing leg, so that the bolt is screwed into the screw hole.
  • the shock absorbing leg includes a body which is open at the bottom thereof. Shock absorbing means, each having an air control part and a closing part, are provided in the body in multiple layers. A plurality of air discharge holes is formed through the closing part.
  • No. 10-574199 includes a rectangular board frame.
  • a shock absorbing leg is attached to each corner on the bottom of the board frame.
  • the shock absorbing leg includes a body which is open at the bottom thereof, with a coil spring installed in the wall of the body.
  • a groove and an air hole are formed, respectively, in the outer circumference and the lower end of the body.
  • the body is filled with sponge.
  • the conventional air step boards for health constructed as described above, are problematic in that the board frame of each air step board is made of wood, such as plywood, so that the board frame made of the wood is easily deformed or damaged due to moisture, and in addition, the board frame does not withstand shocks which are repeatedly applied to the board frame during the use of the air step board, and thereby the board frame may break.
  • the outer surface of the board frame may be covered with the sheet member.
  • the sheet member is made of synthetic resin or rubber.
  • an adhesive is applied to the surface of the board frame, and the sheet member must be pressed against the board frame for a predetermined period of time so as to be reliably attached to the board frame.
  • the sheet member may easily become detached from the board frame during use.
  • the air discharge hole and the vertical passage are formed by simply boring holes through predetermined portions in the shock absorbing leg.
  • the conventional air step boards are problematic in that noise is generated when a user repeatedly skips and lands on the board frame, so that the user cannot continue exercise, and thus avoids exercise.
  • the air control member is fitted into the entire opening of the top of the leg body.
  • the entire top of the leg body, including the air control member is covered with the cover, so that the construction is complex, and many parts are required, so that the cost of materials is high.
  • an object of the present invention is to provide an air step board for health, in which a board frame having on an upper surface thereof reinforcing ribs is manufactured through injection molding, thus enhancing the durability of the board frame, permitting mass production, and ensuring easy workability, and in which a reinforcing plate is provided between the reinforcing ribs and an upper plate, thus reliably withstanding shocks that are repeatedly applied to the board frame due to repeated skipping and landing.
  • Another object of the present invention is to provide an air step board for health, in which an upper plate is simply fitted into the upper surface of a board frame in a one- touch manner, and is welded or attached at predetermined portions to the board frame, thus preventing the upper plate from being removed from the board frame or breaking during exercise, and in which a handle is provided on each side of the board frame, thus allowing a user to more conveniently hold the air step board, therefore making it easy to carry.
  • a further object of the present invention is to provide an air step board for health, in which an air circulation unit, having a perforated member surrounded by a casing, is fitted into a ventilation opening formed in the upper end of a shock absorbing leg, thus preventing the removal of the air circulation unit and preventing noise from being generated, due to the sudden compression of the shock absorbing leg when the air is discharged from the shock absorbing leg.
  • Yet another object of the present invention is to provide an air step board for health, in which a locking projection and a locking hole are provided in a leg fastening groove of a board frame and a leg fastening protrusion of a shock absorbing leg, respectively, such that the locking projection is locked into the locking hole, thus preventing the shock absorbing leg from being undesirably released during use, by fitting the leg fastening protrusion of the shock absorbing leg into the leg fastening groove of the board frame, therefore allowing the shock absorbing leg to be stably used for a lengthy period of time without the separation of the shock absorbing leg.
  • an air step board for health is constructed so that a board frame having on an upper surface thereof reinforcing ribs is manufactured through injection molding, thus enhancing the durability of the board frame, permitting mass production, and ensuring easy workability, and a reinforcing plate is provided between the reinforcing ribs and an upper plate, thus reliably withstanding shocks that are repeatedly applied to the board frame due to repeated skipping and landing.
  • a handle is provided on each side of a board frame, thus making it more convenient for a user to hold an air step board, therefore making it easy to carry.
  • An air circulation unit having a perforated member surrounded by a casing, is fitted into a ventilation opening formed in an upper end of a shock absorbing leg, thus preventing the removal of the air circulation unit and preventing noise from being generated due to the sudden compression of the shock absorbing leg when the air is discharged from the shock absorbing leg.
  • a locking projection and a locking hole are provided in a leg fastening groove of a board frame and a leg fastening protrusion of a shock absorbing leg, respectively, such that the locking projection is locked into the locking hole, thus preventing the shock absorbing leg from being undesirably released during use, by fitting the leg fastening protrusion of the shock absorbing leg into the leg fastening groove in the board frame, therefore allowing the shock absorbing leg to be stably used for a lengthy period of time without the separation of the shock absorbing leg.
  • FIG. 1 is a perspective view showing an air step board for health, according to the present invention
  • FIG. 2 is a perspective view showing the air step board of FIG. 1, in which one shock absorbing leg is separated from the bottom of a board frame;
  • FIG. 3 is a plan view showing the board frame of the air step board for health, according to the present invention, in which an upper plate is removed from the board frame;
  • FIG. 4 is an exploded perspective view showing the shock absorbing leg of FIG. 2;
  • FIG. 5 is a vertical sectional view showing the state in which the shock absorbing leg is fastened to the board frame of the air step board for health, according to the present invention
  • FIGS. 6 and 7 are sectional views showing air step boards for health, according to other embodiments of the present invention.
  • FIG. 8 is a view showing an air circulation unit of an air step board for health, according to a further embodiment of the present invention. Best Mode for Carrying Out the Invention
  • the present invention provides an air step board for health, having an upper plate on an upper surface of a board frame, and a shock absorbing leg provided on a corner of an underside of the board frame and stably supporting the board frame, wherein the board frame is formed using a synthetic resin material through injection molding such that a seating part is provided on the upper surface of the board frame to hold the upper plate seated on the seating part, and a reinforcing rib is provided in the seating part to reduce a weight of the board frame and impart sufficient strength.
  • a handle is provided on at least one side of the board frame to allow the air step board to be easily held and carried.
  • a reinforcing plate is provided between the reinforcing rib of the board frame and the upper plate so as to impart sufficient strength to the board frame.
  • a fitting projection may protrude upwards from the reinforcing ribs, and a fitting hole may be formed in the underside of the upper plate or the reinforcing plate, so that the fitting projection is fitted into the fitting hole.
  • the present invention provides an air step board for health, having an upper plate on an upper surface of a board frame and a shock absorbing leg provided on a corner on an underside of the board frame and stably supporting the board frame, wherein the shock absorbing leg includes at least one ventilation opening which is formed in an upper end of the shock absorbing leg and allows air to circulate in and out of the shock absorbing leg as it is compressed or extended, and an air circulation unit installed in the ventilation opening and including a perforated member which functions to prevent a noise from being generated when air circulates in and out of the shock absorbing leg, and a casing which has a hole to allow air to flow from an interior or exterior of the shock absorbing leg through the ventilation opening and the perforated member and surrounds the perforated member so as to prevent the perforated member from being removed from the ventilation opening by the air flowing through the ventilation opening.
  • the casing of the air circulation unit is made of metal or synthetic resin, and has a
  • the casing is made of synthetic resin
  • the casing comprises an open sheet having a bottom surface and first and second side surfaces which are to be folded along folding lines, a coupling pin protruding from the first side surface and a pin hole formed in the second side surface so that the coupling pin is inserted into the pin hole, whereby the casing is assembled into a "U” shape by folding the side surfaces along the folding lines.
  • a removal prevention step is provided on an upper end in the ventilation opening of the shock absorbing leg, or a locking step is provided on the casing of the air circulation unit.
  • the air step board for health includes a locking means for preventing the undesirable separation of the shock absorbing leg, when the leg fastening protrusion of the shock absorbing leg is fitted into the leg fastening groove of the board frame in a one-touch manner and then a user continuously and repeatedly performs skipping or stepping.
  • the locking means includes a locking projection which is provided in the leg fastening groove of the board frame contacting the lower surface of the leg fastening protrusion of the shock absorbing leg, and a locking hole which is formed in the lower surface of the leg fastening protrusion of the shock absorbing leg to correspond to the locking projection of the leg fastening groove.
  • FIG. 1 is a perspective view showing an air step board for health, according to the present invention
  • FIG. 2 is a perspective view showing the air step board of FIG. 1, in which one shock absorbing leg is separated from the bottom of a board frame
  • FIG. 3 is a plan view showing the board frame of the air step board for health, according to the present invention, in which an upper plate is removed the board frame
  • FIG. 4 is an exploded perspective view showing the shock absorbing leg of FIG. 2
  • FIG. 5 is a vertical sectional view showing the state in which the shock absorbing leg is fastened to the board frame of the air step board for health, according to the present invention.
  • the air step board for health includes a board frame 10, an upper plate 20, and shock absorbing legs 30.
  • the board frame has the shape of a rectangle having rounded corners.
  • the upper plate is attached or mounted to the upper surface of the board frame 10.
  • the shock absorbing legs are mounted to four corners of the bottom of the board frame 10, and function to absorb and mitigate shocks.
  • a seating part 12 is provided on the upper surface of the board frame 10, so that the upper plate 20 is seated and fitted into the seating part. Further, reinforcing ribs 11 are provided in the seating part 12 so as to conserve the material of the board frame 10, that is, synthetic resin, reduce the weight of the board frame, and impart sufficient strength.
  • Leg fastening grooves 13 are formed in four corners of the board frame, so that the shock absorbing legs 30 are fastened to the board frame.
  • the reinforcing ribs 11 may have various shapes, for example, circular, radial, or rectangular shapes. Further, various shapes of reinforcing ribs may be used together. As shown in the drawing, the reinforcing ribs 11 are provided on the upper surface of the board frame 10 in such a way as to cross each other. However, the reinforcing ribs 11 may be provided on the lower surface of the board frame 10 in such a way as to cross each other.
  • a handle 14 is provided on at least one side of the board frame 10 to allow a user to easily hold and carry the air step board.
  • the board frame 10 is formed through injection molding using a synthetic resin material.
  • the reinforcing ribs 11, the leg fastening grooves 13, and the handle 14 of the board frame 10 are formed, they are formed integrally with the board frame 10 using one mold.
  • any shape of fastening groove is possible.
  • L-type grooves each having the shape of an arc which is wide at one end thereof are formed along the same circumference in such a way as to be opposite each other.
  • Each shock absorbing leg 30 is a hollow bellows tube, and is open at the top thereof.
  • Two arc-shaped leg fastening protrusions 31 are provided on the upper end of each shock absorbing leg, and correspond to the leg fastening grooves 13, which are provided in the lower surface of the board frame 10.
  • Each leg fastening protrusion 31 has an angled cross-section which has a neck portion. Thus, when the leg fastening protrusion enters the wide end of each leg fastening groove 13 and thereafter is rotated, the neck portion of the leg fastening protrusion is locked to the leg fastening groove.
  • the locking means for preventing the undesirable separation of the shock absorbing leg 30 includes a locking projection 13a, which is provided in a portion of the leg fastening groove 13 contacting the lower surface of each leg fastening protrusion 31, and a locking hole 32, which is formed in the lower surface of each leg fastening protrusion 31 of each shock absorbing leg 30 and is locked to the corresponding locking projection 13a of the leg fastening groove 13.
  • one or more ventilation openings 33 are provided in the upper end of each shock absorbing leg 30, and cause the air to circulate in and out the shock absorbing leg 39 as it is compressed or extended.
  • An air circulation unit 35 is installed in each ventilation opening 33 in such a way that it is not undesirably removed and prevents noise from being generated when the air is circulated.
  • the air circulation unit 35 includes a perforated member 36 and a casing 37.
  • the perforated member prevents noise from being generated when the air is circulated in and out each shock absorbing leg 30 through the air circulation unit.
  • Holes 38 are formed in the casing 37 such that the air flows in and out of each shock absorbing leg 30 through the ventilation opening 33 and the perforated member 36.
  • the casing surrounds the perforated member 36 so as to prevent the perforated member from being removed from the ventilation opening 33 by the flow of the air passing through the ventilation opening 33.
  • a removal prevention step 34 is provided on the upper end in an associated ventilation opening 33 of each shock absorbing leg 30.
  • the air circulation unit 35 is inserted into the corresponding ventilation opening, the air circulation unit is stopped by the removal prevention step, and thus the removal of the air circulation unit is prevented.
  • the removal prevention step 34 is provided on the upper end in an associated ventilation opening 33 to restrain both ends of the casing 37.
  • locking steps 39 having shapes corresponding to the removal prevention step may be provided on the casing 37 of the air circulation unit 35.
  • the reinforcing ribs 11, which are provided on the upper surface of the board frame 10 and the bottom of the upper plate 20, which is to be seated on the reinforcing ribs 11 are attached at predetermined positions to each other using an adhesive, or are welded to each other, and the edges of the upper plate 20 are fitted into the seating part 12 of the board frame 10.
  • the present invention considerably enhances productivity, and prevents the upper plate from being detached from the board frame during use.
  • the board frame 10 since the reinforcing ribs 11 are provided on the upper surface of the board frame 10 in such a way as to cross each other, the board frame 10 has sufficient strength, in addition to saving a material and achieving lightness. Hence, the upper plate 20 is firmly supported, so that the ability to withstand the load that is applied when skipping and landing are repeatedly performed is remarkably increased.
  • the upper plate 20 may be made of the same material as the board frame 10, or may be made of a soft material so as to perform a shock absorbing operation to some extent.
  • FIG. 6 is a view showing the construction of an air step board for health, according to another embodiment of the present invention.
  • This embodiment is equal to the first embodiment except that a reinforcing plate 15 is provided between the reinforcing ribs 11 provided on the upper surface of the board frame 10 and the upper plate 20 seated on the seating part 12 of the board frame 10.
  • the reinforcing plate 15 may be secured to the reinforcing ribs 11 provided on the upper surface of the board frame 10, using a screw or an adhesive.
  • ultrasonic welding which melts and attaches surfaces of the reinforcing plate 15 and the reinforcing ribs 11, is preferred to ensure more reliable and firmer coupling.
  • the board frame 10 is provided between the board frame 10 and the upper plate 20.
  • the impact load generated when a user jumps or lands is primarily absorbed by the upper plate 20, and is indirectly transmitted to the reinforcing ribs 11.
  • the board frame 10 is more reliably reinforced.
  • FIG. 7 is a view showing the construction of an air step board for health, according to a further embodiment of the present invention.
  • a reinforcement protruding part 16 protrudes from the center of the bottom of the board frame 10, and contacts the ground when each shock absorbing leg 30 is contracted by the load generated when a user jumps and lands on the board frame 10.
  • the reinforcement protruding part 16 is formed integrally with the board frame 10 through injection molding using the same material as the board frame 10 or a material that is different from that of the board frame.
  • the board frame 10 is reinforced by the reinforcement protruding part 16, which is provided on the lower surface of the board frame. Moreover, the reinforcement protruding part increases the ability of the board frame 10 to withstand the repeated load generated when a user repeatedly jumps and lands on the upper plate 20, which is provided on the upper surface of the board frame 10.
  • the reinforcement protruding part 16 is supported by the ground on which the air step board is placed.
  • the air step board according to this embodiment actively copes with the repeated load applied due to the jumping action, so that the durability and stability of the board frame 10 are further increased.
  • FIG. 8 is a view showing a casing of an air circulation unit of an air step board for health, according to another embodiment of the present invention.
  • a casing 35a when a casing 35a is made of synthetic resin, it has the shape of an open sheet, which has a bottom surface 37a and both side surfaces 37b and 37c folded along folding lines 37d. Coupling pins 37e protrude from one side surface 37b, while pin holes 37f are formed in the other side surface 37c so that the coupling pins 37e are inserted into the corresponding pin holes.
  • the casing has a "U"-shaped profile.
  • a plurality of holes 38 must be formed in both side surfaces 37b and 37c of the casing 35a.
  • the casing 37 or 370 for the air circulation unit 35 may be manufactured using metal or synthetic resin to thus have a predetermined shape. Further, the casing may be manufactured by preparing an open sheet and then folding the sheet according to the predetermined shape. As such, the casing may be manufactured in various methods.
  • the present invention provides an air step board for health, which allows a user to repeatedly perform skipping, landing, and stepping indoors without generating vibrations or noise.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rehabilitation Therapy (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Finger-Pressure Massage (AREA)
  • Rehabilitation Tools (AREA)

Abstract

L'invention concerne une planche médicale avec marchepied à air. La planche à marchepied comprend une plaque supérieure sur la surface supérieure d'un cadre de planche, et un montant absorbant les chocs sur un coin d'une face inférieure du cadre de planche. Le cadre de planche est formé dans un matériau en résine synthétique par moulage par injection de telle sorte qu'une partie d'assise est fournie sur la surface supérieure du cadre de planche, et une nervure de renfort est prévue dans la partie d'assise pour réduire un poids du cadre de planche et conférer une résistance suffisante. Une poignée est située sur au moins un côté du cadre de planche. Dans la présente invention, le cadre de planche ayant la nervure de renfort est fabriqué par moulage par injection, augmentant ainsi la durabilité du cadre de planche, permettant la production de masse, et garantissant une excellente aptitude au façonnage, et une plaque de renfort est fournie entre les nervures de renfort et la plaque supérieure, résistant ainsi de façon fiable aux chocs.
PCT/KR2008/000223 2007-01-16 2008-01-14 Planche médicale avec marchepied à air WO2008088153A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08704762A EP2107923A4 (fr) 2007-01-16 2008-01-14 Planche médicale avec marchepied à air
US12/523,162 US20100029443A1 (en) 2007-01-16 2008-01-14 Air Step Board For Health
JP2009545496A JP2010515525A (ja) 2007-01-16 2008-01-14 運動用エア踏板

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020070004687A KR100844000B1 (ko) 2007-01-16 2007-01-16 운동용 에어발판
KR10-2007-0004687 2007-01-16
KR10-2007-0042615 2007-05-02
KR1020070042615A KR100877908B1 (ko) 2007-05-02 2007-05-02 운동용 에어발판

Publications (1)

Publication Number Publication Date
WO2008088153A1 true WO2008088153A1 (fr) 2008-07-24

Family

ID=39636122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/000223 WO2008088153A1 (fr) 2007-01-16 2008-01-14 Planche médicale avec marchepied à air

Country Status (4)

Country Link
US (1) US20100029443A1 (fr)
EP (1) EP2107923A4 (fr)
JP (1) JP2010515525A (fr)
WO (1) WO2008088153A1 (fr)

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US20100029443A1 (en) 2010-02-04
EP2107923A1 (fr) 2009-10-14
JP2010515525A (ja) 2010-05-13

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