EP2532393B1 - Stability ball control device with radial control surfaces of increasing widths - Google Patents
Stability ball control device with radial control surfaces of increasing widths Download PDFInfo
- Publication number
- EP2532393B1 EP2532393B1 EP11007907.6A EP11007907A EP2532393B1 EP 2532393 B1 EP2532393 B1 EP 2532393B1 EP 11007907 A EP11007907 A EP 11007907A EP 2532393 B1 EP2532393 B1 EP 2532393B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ball
- arc
- exercise
- exercise device
- shaped wing
- 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.)
- Not-in-force
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Classifications
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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
- A63B26/00—Exercising apparatus not covered by groups A63B1/00 - A63B25/00
- A63B26/003—Exercising apparatus not covered by groups A63B1/00 - A63B25/00 for improving balance or equilibrium
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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
- A63B41/00—Hollow inflatable balls
- A63B41/125—Large inflatable balls primarily used as body supports for exercising, e.g. balancing
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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
- 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
- A63B21/00047—Exercising devices not moving during use
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0205—Abdomen
- A63B23/0211—Abdomen moving torso with immobilized lower limbs
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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
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0228—Sitting on the buttocks
- A63B2208/0233—Sitting on the buttocks in 90/90 position, like on a chair
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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
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/62—Inflatable
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0233—Muscles of the back, e.g. by an extension of the body against a resistance, reverse crunch
Definitions
- the present invention lies in the field of core training exercise equipment. More specifically, the present disclosure relates to a "cage" or “enclosure” that is comprised of widening rib-like elements (e.g., six) that radiate from the base of an exercise stability ball and attach to a belt that surrounds the ball just below the ball's center circumference. Protruding from each rib-like element is at least one constantly widening inclined plane or wing that forces the enclosed ball back to its base position and increases the resistance as the ball rolls away from that base position.
- a "cage” or “enclosure” that is comprised of widening rib-like elements (e.g., six) that radiate from the base of an exercise stability ball and attach to a belt that surrounds the ball just below the ball's center circumference. Protruding from each rib-like element is at least one constantly widening inclined plane or wing that forces the enclosed ball back to its base position and increases the resistance as the ball rolls away from that base position.
- the stability ball has two major flaws. The first, and perhaps the most pressing because it prevents many persons from using the ball and more advanced users from performing advanced exercises, is the tendency of the ball to roll away from the user. This tendency adds an element of fear that precludes the utilization of stability balls by many potential users.
- the second flaw is that the stability ball offers no changes in resistance to movement throughout the range of motion of the exercise. In addition, the resistance offered by the ball decreases as it becomes increasingly unstable at the end ranges of an exercise.
- the device of the instant invention provides a unique control system that can maximize the benefit of one of the most important core exercise apparatuses, the stability ball.
- Relational terms such as first and second, top and bottom, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
- the terms "comprises,” “comprising,” or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
- An element proceeded by "comprises ... a" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
- the term “about” or “approximately” applies to all numeric values, whether or not explicitly indicated. These terms generally refer to a range of numbers that one of skill in the art would consider equivalent to the recited values (i.e., having the same function or result). In many instances these terms may include numbers that are rounded to the nearest significant figure.
- the term “longitudinal” should be understood to mean in a direction corresponding to an elongated direction of the object being described.
- the device of the present invention provides a unique way to control the rollaway movements of a stability ball while simultaneously increasing the resistance being applied to the user's body musculature during exercises being performed by the user with the stability ball.
- FIG. 1A provides an example of the type of stability ball 1, found in the prior art, that would benefit from the inventive device described herein.
- the background art for better understanding the invention incorporates a "cage” or “enclosure” that is comprised of a plurality of flexible bands, or ribs, that lock into or are integral with a connecting structure to form a radial configuration such that when assembled together, the device partially, substantially, or fully cups or encloses a bottom portion of the stability ball to control the stability ball's movement.
- the flexible bands or ribs have at least one inclined plane or wing on their exterior surface such that when the stability ball is rolled away from its base (i.e., resting) position in any direction along a substantially flat surface, the inclined plane or wing comes into contact with the substantially flat surface to provide an incremental, counteracting or balancing resistance to movement of the ball away from its base position. This resistance is beneficially transferred to the user while the user is performing exercise movements with the stability ball.
- the exercise device 2 is comprised of a plurality of flexible rib assemblies 10, bent into a semicircular arc or a bow to form a plurality of widening ribs 3 in a radial configuration, and held equal distances apart by a circular-shaped belt 4 or other connecting structure that surrounds, with a snug fit, the circumference of a stability ball 1 at a height 7 that is, for example, just below or at the midline of the ball. This allows the device to apply resistance and stability throughout the working surface of the ball during most functional exercises.
- the height 7 be above, or just slightly above, the midline of the ball in order to provide a better grip on the ball. It is also envisioned for the height to extend just past the middle plane of the ball and to have the uppermost ball-receiving opening to curve slightly inward. In such an embodiment, with a flexible exercise ball, the exercise device will slightly compress the ball to improve gripping and inhibit the ball from rolling out of the exercise device 2 during use.
- the rib assemblies 10 and the belt 4 form a concave-shaped, hemispherical "cage” or “enclosure” of approximately the lower half of the stability ball 1 whereby the stability ball is securely seated inside the device 2.
- the rib assemblies 10 are removably anchored or secured to the belt 4 at their radiating ends 8. Although three rib assemblies 10, resulting in six ribs 3, are shown in this particular embodiment, this is for purposes of a non-limiting illustration only. Depending on the amount of desired resistance to the rollaway movement of the stability ball 1, a variable number of rib assemblies 10 may be used to form the device 2. The greater the number of rib assemblies used, the greater amount of resistance will be provided to the ball's movements.
- the central base 11 of the device 2 is formed at the point where the rib assemblies 10 overlap and cross one another.
- the central base 11 of device 2 provides a base, or resting position for the stability ball 1 when the ball is present.
- the ribs 3 radiate from this central base 11 in a radial pattern that resembles the flower head of a daisy.
- the diameter of the rib 3 is at its narrowest dimension at the point of the central base 11 and incrementally widens in a direction towards its radiating end 8 of the rib 3.
- the ribs 3 may alternatively be constructed to have any strip-like shape, including a strip with a uniform diameter along its entire length, or, the ribs 3 may be replaced entirely by a single, molded cup-like dome (not shown) (i.e., is not split into a plurality of rib assemblies 10 ) that encloses the entire lower half of the stability ball.
- each rib 3 Incorporated into the exterior surface of each rib 3 (or, the exterior surface of any other structure forming the enclosure of the lower half of the stability ball) is a pair 9 of inclined planes or "wings" 5 that extend substantially parallel to a longitudinal axis of the rib and protrude perpendicularly from the exterior surface of the rib.
- Each inclined plane or wing 5 steadily increases in its protruding distance, or angle of inclination, as it approaches the radiating or anchoring end 8 of the rib 3 at the belt 4 of the device 2.
- FIGS. 30 and 31 graphically illustrate the counteractive or balancing relationship between the degree of the rolling movement of the ball from its base position and the amount of resistance created by the inclined planes or wings 5 of the ribs 3.
- the stability ball 1 is naturally inclined to roll away from its base (i.e., resting) position, which is desirable for the user when it is controllable in a stable manner.
- the inclined planes or wings 5 of the ribs 3 come into contact with the substantially flat surface to provide an increasing, counteracting or balancing resistance to movement of the ball away from its base position in an incremental fashion.
- the greater the degree of rollaway motion of the ball from its base position the greater amount of surface area of the inclined planes or wings 5 come into obstructive contact with the substantially flat surface thereby providing an increased amount of resistance to the ball's movement.
- the resistance created by the inclined planes or wings 5 of the ribs 3 drives or biases the ball back towards its original, base position.
- the exercise device 2 of the present invention stabilizes the ball while still allowing it to perform its function and with increased resistance experienced by the user.
- the belt 4 of the device 2 has intermittent curves 6 along its length between the points at which the rib assemblies 10 are removably anchored or secured to the belt 4.
- the anchoring or securing points are clearly set apart so that they are easily identifiable by the user and the resulting spatial footprint of the device 2 on the ball 1 is reduced.
- the belt 4 and the rib assemblies 10 may be comprised of, but not limited to, heavy-duty nylon. However, other materials including high-impact plastic are feasible.
- the device 2 may incorporate a supplementary elastic band exercise system (not shown), which allows the user to attach elastic bands to the device thereby adding a resistance-training component to the device.
- a supplementary elastic band exercise system (not shown), which allows the user to attach elastic bands to the device thereby adding a resistance-training component to the device.
- FIGS. 7 to 17 there is shown a second exemplary embodiment of the exercise device according to the background art.
- the exercise device 2 is comprised of a belt 4 that is shaped to tightly surround the circumference of a stability ball 1 just below the ball's midline, and four (as shown in FIGS. 7 to 1 1 ) or three (as shown in FIGS.
- rib assemblies 10a, 10b, and 10c flexibly bent into semicircular arcs that are removably, and equidistantly, secured or held in a register to the belt 4 at indentations or notches 13 of the interior surface 14 of the belt 4 (which are shown in detail in FIGS. 13 and 14 ).
- the rib assemblies 10a-c and the belt 4 form a radially-shaped "cage" or "enclosure" of the lower half of the ball 1.
- the belt 4 does not have intermittent curves along its length and instead, the belt 4 has a constant width 12 along its entire length.
- the rib assemblies 10a-c come together centrally to form a central base 11, which when placed on a substantially flat surface, provides a base, or resting position for the stability ball 1 when the ball is seated inside the device 2.
- FIGS. 15 to 17 show, in close detail, any one of the rib assemblies 10a-c of FIG. 12 .
- Each rib assembly defines two ribs, 3a-b, 3c-d, and 3e-f that radiate from the central base 11 in a wheel-and-spokes pattern whereby the ribs increasingly widen in a direction away from the central base 11.
- Each rib has a pair 9 of raised, inclined planes 5 that run substantially parallel along the rib's longitudinal axis.
- At each radiating end 8 of the rib assembly there lies a trapezoidal protrusion 17 and a linking pin 16 for securing the rib assembly to the belt 4.
- each end 8 of the rib assemblies 10a-c to the belt 4
- a corresponding number of trapezoidal indentations or notches 13, having keyhole slots 15, are formed in the interior surface 14 of the belt 4 (see FIGS. 13 and 14 ).
- the trapezoidal indentations or notches 13 are shaped to have a corresponding, or mating fit to the trapezoidal protrusions 17 of the rib assembly and each keyhole slot 15 of the trapezoidal indentations or notches is shaped to retain the linking pin 16 of the rib assembly.
- the rib assembly is removably secured to the belt.
- FIGS. 25 to 29 provide a pictorial representation of the assembly-line process.
- the first step as shown in FIG. 25 , the rib assemblies 10 are placed between the stability ball 1 and the belt 4 in a substantially flat, radial configuration with the ribbed surface of the rib assemblies facing downwards towards the belt.
- the second and third steps as shown in FIGS. 26 and 27 , in a fluid motion using the belt, the rib assemblies 10 are guided upwards into their semicircular arc or bow shape as permitted by the inherent flexibility of the material comprising the rib assemblies 10.
- the rib assemblies form a concave-shaped seat, having a central base 11, in which the ball 1 is seated.
- the ribs 3 of each rib assembly 10 are removably secured to the belt 4 at their ends 8 by sliding the linking pin 16 into the corresponding keyhole slot 15 (not shown) formed in the interior surface of the belt.
- the resulting device 2 as shown in FIG. 29 , tightly captures and encloses the lower portion of the ball 1 .
- FIGS. 18 to 20 illustrate a third exemplary embodiment of the exercise device according to the background art that is very similar to the embodiments of FIGS. 1 to 17 except for the securing mechanism between the ends 8 of the rib assemblies 10 and the belt 4.
- each rib 3 has a U-shaped hook or protrusion 19 at its radiating end 8.
- the belt has a corresponding number of U-shaped slots or notches 18 along the length of the belt's circumference that are shaped to matingly fit the U-shaped hooks or protrusions 19 of the ribs 3 when the U-shaped hooks or protrusions 19 are slidingly inserted into the slots 18 of the belt in a buckle-like fashion.
- FIGS. 21 to 24 illustrate a fourth exemplary embodiment of the exercise device according to the background art whereby the rib assemblies 10 and the belt 4 are formed as a single integral piece such that the rib assemblies cannot be removed, but are permanently secured to the belt.
- This type of assembly for the exercise device 2 may be made by, for example, injection-type molding.
- FIG. 22 illustrates on one rib 3, an alternative embodiment of the inclined planes or wings 5, which are shown as a single inclined wedge or wing 27.
- inclined planes or wings 5 include, for example, a single inclined plane 5, a variable number of inclined planes 5, or one or more intermittent inclined tabs for any one or more of the ribs 3.
- FIGS. 32 to 40 there is shown a fifth exemplary embodiment of the exercise device according to the background art, which differs from the previously described embodiments in that the plurality of rib assemblies 10 are cut in half into their constituent ribs 3, and a central hub 20 is used to interconnect the ribs 3 at the ends 26 of the ribs that are proximate the central base 11.
- the central base 11 of the device 2 is no longer formed by the.overlapping rib assemblies 10, and thereby provides a smooth rolling surface.
- both ends 8, 26 of the ribs 3 are now removably secured to the belt 4 or the central hub 20, respectively.
- FIGS. 32 to 40 there is shown a fifth exemplary embodiment of the exercise device according to the background art, which differs from the previously described embodiments in that the plurality of rib assemblies 10 are cut in half into their constituent ribs 3, and a central hub 20 is used to interconnect the ribs 3 at the ends 26 of the ribs that are proximate the central base 11.
- the narrower end 26 of the rib 3 that is proximate to the central hub 20 when assembled has two adjacent, vertically-aligned mounting holes 22.
- the wider, radiating end 8 of the rib 3 that is proximate to the belt 4 when assembled there are two adjacent, horizontally-aligned mounting holes 23.
- two locking pins 21 shown in detail in FIG. 41
- the locking pin may be of any suitable type, such as an Allen-type pin.
- the central hub 20 is annular in shape, but has a surface area that closely approximates a solid, circular plate.
- the central hub 20 can be of any shape or form that acts as a central meeting place for the ribs 3 and sufficiently conforms to the circumference of the stability ball 1 seated therein such that the stability ball has a base, resting position, but is also capable of being rolled during exercise.
- the central hub 20 of the embodiment shown in FIGS. 32 to 40 has an opening at its center (thereby, forming an annulus) and a slight concavity that permits it to roll along a surface during exercise, but still maintains a default base, or resting position for the stability ball 1 when the ball is seated inside the device 2 .
- Brackets 25 are molded onto the belt 4 at two points on the circumference of the exercise device that are 180 degrees apart. These brackets 25 are used to attach resistance tubes to the device, for example, using nylon belts with D-rings so that resistance-training exercises can be performed on the ball.
- FIG. 42 there is shown an exemplary embodiment of the exercise device.
- This sixth embodiment differs in a number of respects from the previously described embodiments.
- the central hub 20 is in the shape of an annular ring that encircles and seats the lower circumference of the ball 1 and leaves a substantial part of the bottommost portion of the ball exposed and uncovered by the central hub 20.
- the plurality of ribs 3 are held at equidistant points from one another in-between the central hub 20 and the belt 4. Together, the central hub 20, belt 4 and ribs 3 form a cage in which the ball 1 is seated.
- a secondary pedestal structure 30 is applied to the central hub 11 to create a stand for holding the exercise device 2 stationary when placed on a substantially flat surface.
- rollers 35 are molded onto or otherwise secured around at least one of the central hub 20 and belt 4 to allow the ball to still move within the exercise device 2 for use in performing an exercise.
- the user is still able to take advantage of the increased resistance that results from placing the ball 1 inside the exercise device 2 .
- the rollers 35 rotate about the tubular bars that form the central hub 20 and the belt 4 when brushed upwards or downwards by the ball's movement. Accordingly, the ball 1 is still able to move within the stationary exercise device 2 .
- the central base 11 may be in the form of an annulus and/or an annular ring that interconnects or is formed by the plurality of rib assemblies 10, rather than forming a substantially circular and/or solid hub, point, plate or base.
- FIGS. 43 to 46 illustrate two exemplary embodiments of the exercise device.
- an annular ring forms the central base 11 and is positioned along the lower circumference of the exercise device 2.
- the central base 11 is placed closer to the belt 4 in comparison to the position of the central base 11 that is shown in the embodiment of FIG. 44 .
- the central base 11 is placed at a much lower point (e.g., approximately 1" inch from the bottommost point of the exercise device 2 ) along the lower circumference of the exercise device 2.
- each rib 3 does not directly meet with the central base 11 as the central base 11 necessarily has a smaller diameter than the belt 4. Rather, the ribs 3 act as stilts that hold the exercise device 2 still when it is placed on a substantially flat surface.
- Each rib 3 is indirectly connected to the central base 11 by an intermediate, interconnecting structure 32 at some point along the length of rib 3.
- Feet 40 made of rubber or some other suitable high-friction material, may be applied to the free ends of the ribs 3 to aid in stabilizing the exercise device 2 along the surface upon which it rests.
- each individual rib 3 may be made to be mechanically adjustable such that its vertical length can be adjusted (i.e., shortened or lengthened). This allows the ribs 3 to accommodate the relative position (height) of the central base 11 and/or any angle present in the surface upon which the exercise device 2 is resting.
- each individual rib 3 may be comprised of two telescoping pieces 33, 34 that may be adjustably slid within one another to change the combined, overall length of the pieces 33, 34. Accordingly, the ribs 3 are able to maintain a substantially vertical stance along the entire circumference of the exercise device 2 despite any variations in the surface upon which it stands.
- each rib 3 is removably attached to a central hub 20 at one end 26, and is removably attached to a belt 4 at its opposite (radiating) end 8 to form a hemispherical cage for receiving the lower circumference of the stability ball 1.
- the ribs 3, the central hub 20, and the belt 4 may be comprised of a single, molded piece such that ribs 3 are integral with the central hub 20 and belt 4. Unlike the embodiment of FIGS.
- the central hub 20 is in the shape of an annular ring such that the bottommost portion of the ball 1 is left exposed and uncovered by the large opening 50 of the central hub 20 (as best shown in FIG. 49 ).
- the surface area of the central hub 20 is minimal and therefore, does not significantly impede the rolling movement of the ball.
- the ball 1 directly touches the rolling surface making it possible for the user to roll the ball during exercise.
- the advantageous resistance that counteracts the rolling movement of the ball is still felt by the user, but is primarily created by and concentrated at the inclined planes or wings 5.
- FIG. 55 An exemplary embodiment of the exercise device is provided and shown in FIG. 55 .
- resistance to sliding is provided by the addition of one or more modular enhancers 45 that can be selectively applied to the outside perimeter of each inclined plane or wing 5.
- the enhancers 45 increase the effective protruding distance, or angle of inclination, of the plane or wing 5 and can be made to grip the floor by being of a skid-resistant material such as silicone rubber. As shown in close detail in FIG.
- the enhancers 45 are crescent- or arc-like segments shaped to conform to the curvature of at least a portion of the outside perimeter of the inclined planes or wings 5.
- At the inner arc of the enhancer segment is an interior groove 46 that is shaped to receive the edge of the outside perimeter of the inclined plane or wing 5 such that the enhancer 45 can be securely applied to the edge of the inclined plane or wing 5, when desired.
- skidding can be eliminated and/or the effective resistance provided by the enhanced inclined plane(s) or wing(s) can be increased along the entire circumference of the device 2 or, just a specific portion of the circumference of the device 2.
- the inclined planes or wings 5 may also be structurally comprised of two or more partitions 41, 42, 43 that interlock or otherwise lie adjacent to one another to, together, form the entire plane or wing 5.
- the enhancers 45 may also be partitioned into separate parts that correspondingly fit each of the partitions 41, 42, 43.
- the inclined plane or wing 5 can be divided into three parts: a lower partition 41, an intermediate partition 42, and an upper partition 43, thereby creating three different discrete zones along the length of the inclined plane or wing 5.
- the user may only wish to increase the resistance felt at the very beginning of the rolling movement of the ball away from its resting or base position and, therefore, can apply an enhancer 45 only to the lower partition 41 of the device 2.
- the user may wish to only increase the resistance felt at the mid-extension point of the rolling movement of the ball away from its resting or base position and, therefore, can apply an enhancer 45 only to the intermediate partition 42 of the device 2 and leave the lower partition 41 and upper partition 43 as is without the enhancers 45.
- FIG. 58 An embodiment of the exercise device according to the present invention is provided and shown in FIG. 58 .
- a plurality of inclined planes or wings 5 are directly attached to or integrally formed at the exterior surface of the ball 1 in a pattern that begins at a bottom portion, or, at any level from the bottom portion to half way up the circumference of the ball 1, and radiates upwards along the spherical exterior surface of the ball to a desired height.
- Each inclined plane or wing 5 begins at or near the bottom of the ball 1 at one end 51 and steadily increases in its protruding distance, or angle of inclination, as it approaches its opposite, radiating end 52. The increase can continue all the way or partly up the wing 5.
- the wing 5 continues extending outwardly away from the center of the ball 1 to create a wedge-shaped wing 5.
- the wing 5 continues extending outwardly away from the center of the ball 1 only up to an intermediate portion of the wing 5.
- the remainder can have a constant outside radius so that the upper portion of the wing 5 is relatively cylindrical or it can decrease in radius until it merges back into the outer surface of the ball 1.
- the hemispherical cage or enclosure formed by the ribs 3, belt 4, and central base or hub 11, 20 is omitted entirely as the inclined planes or wings 5 are directly applied to or formed integrally with the exterior surface of the ball 1.
- the addition of the inclined planes or wings 5 still provides an incremental amount of resistance to the rolling movement of the ball 1.
- the inclined planes or wings 5 may be initially molded onto or integrally formed with the ball 1 during manufacture. Where the inclined planes or wings 5 are initially formed separately from the ball 1 and, thereafter, are applied to the surface of the ball 1, the inclined planes or wings 5 are necessarily shaped to conform to the spherical exterior of the ball 1.
- the inclined plane or wing 5 may be made of a flexible (or soft), molded plastic.
- a number of temporary, permanent, or semi-permanent adhesive compounds may be used.
- corresponding VELCRO® fasteners may be applied to adjacent surfaces of the ball 1 and the inclined plane or wing 5.
- a variety of mating mechanical attachments e.g., a male pin and matching female keyhole-slot may be used to adjoin corresponding adjacent parts of the ball 1 and inclined plane or wing 5 .
- the inclined planes or wings 5 may be formed as one solid piece, or may be partially or fully hollow and shown, for example, in FIG. 59 . Further, a combination of solid, hollow, and partially hollow inclined planes or wings 5 may be formed onto or applied to a single ball 1.
- the inclined planes or wings 5 are initially formed as hollow pockets 53 either during or after manufacture of the ball 1.
- Each of the hollow pockets 53 is open at the bottom, the top, or an intermediate portion.
- a variable amount of support may be added to the hollow pocket 53 by partially or fully filling it with a weighted substance 54, for example, by injecting plastic into the pocket 53. Then, the opening can be sealed so that the substance 54 is not able to escape from the pocket 53. In an injection method, only a small hole is made. After hardening, the substance 54 becomes too large to exit the injection orifice.
- the pocket 55 is akin to a typical pocket open at an intermediate slit 56.
- a variable amount of support is able to be added to the hollow pocket 55 by inserting removably a correspondingly shaped modular insert 57 within its hollow interior.
- the insert 57 is received through the opening or slit 56 of the inclined plane or wing 5 and is slid down into the hollow interior of the plane or wing 5 .
- the pocket 55 is at least partially elastic, the top portion 58 of the pocket 55 is stretched over the top end 59 of the insert 57 to capture the insert 57 therein and prevent it from falling out during use.
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Description
- The present invention lies in the field of core training exercise equipment. More specifically, the present disclosure relates to a "cage" or "enclosure" that is comprised of widening rib-like elements (e.g., six) that radiate from the base of an exercise stability ball and attach to a belt that surrounds the ball just below the ball's center circumference. Protruding from each rib-like element is at least one constantly widening inclined plane or wing that forces the enclosed ball back to its base position and increases the resistance as the ball rolls away from that base position.
- Core training has developed into one of the most important concepts in fitness training. Exercise scientists, biomechanists, physical therapists, strength and conditioning coaches and personal trainers all realize the critical link that the central or "core" muscles play in stabilizing the trunk (especially, the lower back) and transferring force and power from the legs to the upper body musculature. One of the most important and commonly used pieces of equipment employed during core training is the stability ball, sometimes referred to as the "Swiss ball." Like the prior-art device shown in
FIG. 1A , stability balls provide a rolling or unstable surface on which exercises are performed. The instability of the ball requires the exerciser to compensate during the exercise using his or her musculature to maintain control of the ball throughout the exercise. A primary benefit of exercise ball training, as opposed to exercising on a hard flat surface, is that the body responds to the instability of the ball to remain balanced thereby engaging many more muscles. Those muscles become stronger over time to keep balanced. Most frequently, the "core" body muscles are the focus of exercise ball programs. - However, the stability ball has two major flaws. The first, and perhaps the most pressing because it prevents many persons from using the ball and more advanced users from performing advanced exercises, is the tendency of the ball to roll away from the user. This tendency adds an element of fear that precludes the utilization of stability balls by many potential users. The second flaw is that the stability ball offers no changes in resistance to movement throughout the range of motion of the exercise. In addition, the resistance offered by the ball decreases as it becomes increasingly unstable at the end ranges of an exercise.
- Document
US 2011/0028291A1 of the same applicant discloses a cage for a stability ball, said cage having rib-like structures. -
US 7.691,036B1 andUS 6.730,0058 - Scientific literature has demonstrated the positive impact of stability ball training on neuromuscular function over the past decade and the support in the literature has increased significantly over the last five years. See, e.g., J.M. Willardson, Core stability training: applications to sports conditioning programs, J Strength Cond. Res. 2007 Aug 21(3):979-985; P.W. Marshall, B.A. Murphy, Increased deltoid and abdominal muscle activity during Swiss ball bench press, J Strength Cond. Res. 2006 Nov 20(4):745-50; P.W. Marshall, B.A. Murphy, Core stability exercises on and off a Swiss ball, Arch. Phys. Med. Rehabil. 2005 Feb 86(2):242-249; R. Stanton, P.R. Reabum, B. Humphries, The effect of short-term Swiss ball training on core stability and running economy, J Strength Cond. Res. 2004 Aug 18(3):522-8. Currently, there are platforms that hold stability balls in place preventing them from rolling (Aeromat Stability Ball Base, STACCA.com) or that are used for storage (Power Systems Inc.), but no device or system exists that allows stabilization of the stability ball while still permitting continued functional core exercising on the ball.
- Accordingly, a need exists to overcome the problems discussed above.
- The device of the instant invention provides a unique control system that can maximize the benefit of one of the most important core exercise apparatuses, the stability ball. The above objects are solved by the subject-matter according to the independent claims.
- Embodiments may be found in the dependent claims.
- Additional advantages and other features characteristic of the present invention will be set forth in the detailed description that follows and may be apparent from the detailed description or may be learned by practice of exemplary embodiments of the invention. Still other advantages of the invention may be realized by any of the instrumentalities, methods, or combinations particularly pointed out in the claims. The construction and method of operation of the invention, however, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings.
- Although the invention is illustrated and described herein as embodied in a stability ball control device with radial control surfaces of increasing widths, it is not intended to be limited to the details shown. Additionally, well-known elements of exemplary embodiments of the invention will not be described in detail or will be omitted so as not to obscure the relevant details of the invention.
- Other features that are considered as characteristic for the invention are set forth in the appended claims.
- Advantages of embodiments of the present invention will be apparent from the following detailed description of the preferred embodiments thereof, which description should be considered in conjunction with the accompanying drawings in which:
-
FIG. 1A is a prior-art device stability ball that is incorporated into an exercise movement of the user; -
FIG. 1 to 41 show background art for better understanding the invention; -
FIG. 42 is a perspective view of an exemplary embodiment of the exercise device in a fully assembled configuration, as it appears when not applied to a stability ball; -
FIG. 43 is a side elevational view of an exemplary embodiment of the exercise device in a fully assembled configuration and after its application to a stability ball; -
FIG. 44 is a side elevational view of an exemplary embodiment of the exercise device in a fully assembled configuration and after its application to a stability ball; -
FIG. 45 is a top plan view of the exercise device ofFIGS. 43 and44 ; -
FIG. 46 is a bottom plan view of the exercise device ofFIGS. 43 and44 ; -
FIG. 47 is a perspective view of the topside of an exemplary embodiment of the exercise device in a fully assembled configuration and after its application to a stability ball, as well as the interior of the device made visible by the translucency of the stability ball; -
FIG. 48 is a perspective view of the topside of the exercise device ofFIG. 47 ; -
FIG. 49 is a side perspective view of the exercise device ofFIGS. 47 and 48 ; -
FIG. 50 is a perspective view of the topside of the exercise device ofFIGS. 47 to 49 , in a fully assembled configuration and as it appears when not applied to a stability ball; -
FIG. 51 is a perspective view of the underside of the exercise device ofFIG. 50 ; -
FIG. 52 is a top perspective view of the interior of the exercise device ofFIGS. 50 to 51 ; -
FIG. 53 is a bottom perspective view of the exterior of the exercise device ofFIGS. 50 to 52 ; -
FIG. 54 is a top plan view of the exercise device ofFIGS. 50 to 53 ; -
FIG. 55 is a perspective view of the topside of an exemplary embodiment of the exercise device in a fully assembled configuration and as it appears when not applied to a stability ball; -
FIG. 56 is a fragmentary perspective and partially exploded view of a portion of the exterior of the exercise device ofFIG. 55 , showing in close detail the inclined planes or wings of the ribs of the device to which enhancer portions have been applied thereto; -
FIG. 57 is an enlarged perspective view of an enhancer portion prior to being applied to the inclined plane or wing of the exercise device ofFIG. 56 ;
The examplary embodiments ofFIG. 42-57 are not covered by the claims. -
FIG. 58 is a side perspective view of the embodiment of the exercise device according to the present invention; -
FIG. 59 is a side perspective view of an exemplary embodiment of an inclined plane or wing of the exercise device ofFIG. 58 ; and -
FIG. 60 is a side perspective and exploded view of an exemplary embodiment of a removable inclined plane or wing assembly of the embodiment ofFIG. 58 . - As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure. Further, the terms and phrases used herein are not intended to be limiting; but rather, to provide an understandable description of the invention. While the specification concludes with claims defining the features of the invention that are regarded as novel, it is believed that the invention will be better understood from a consideration of the following description in conjunction with the drawing figures, in which like reference numerals are carried forward. The figures of the drawings are not drawn to scale.
- Before the present invention is disclosed and described, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. The terms "a" or "an," as used herein, are defined as one or more than one. The term "plurality," as used herein, is defined as two or more than two. The term "another," as used herein, is defined as at least a second or more. The terms "including" and/or "having," as used herein, are defined as comprising (i.e., open language). The term "coupled," as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically.
- Relational terms such as first and second, top and bottom, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises ... a" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
- As used herein, the term "about" or "approximately" applies to all numeric values, whether or not explicitly indicated. These terms generally refer to a range of numbers that one of skill in the art would consider equivalent to the recited values (i.e., having the same function or result). In many instances these terms may include numbers that are rounded to the nearest significant figure. In this document, the term "longitudinal" should be understood to mean in a direction corresponding to an elongated direction of the object being described.
- The device of the present invention provides a unique way to control the rollaway movements of a stability ball while simultaneously increasing the resistance being applied to the user's body musculature during exercises being performed by the user with the stability ball.
FIG. 1A provides an example of the type ofstability ball 1, found in the prior art, that would benefit from the inventive device described herein. - The background art for better understanding the invention incorporates a "cage" or "enclosure" that is comprised of a plurality of flexible bands, or ribs, that lock into or are integral with a connecting structure to form a radial configuration such that when assembled together, the device partially, substantially, or fully cups or encloses a bottom portion of the stability ball to control the stability ball's movement. The flexible bands or ribs have at least one inclined plane or wing on their exterior surface such that when the stability ball is rolled away from its base (i.e., resting) position in any direction along a substantially flat surface, the inclined plane or wing comes into contact with the substantially flat surface to provide an incremental, counteracting or balancing resistance to movement of the ball away from its base position. This resistance is beneficially transferred to the user while the user is performing exercise movements with the stability ball.
- Referring now to the figures of the drawings in detail and first, particularly to
FIGS. 1 to 6 thereof, there is shown a first exemplary embodiment of the exercise device according to the background art. Theexercise device 2 is comprised of a plurality offlexible rib assemblies 10, bent into a semicircular arc or a bow to form a plurality of wideningribs 3 in a radial configuration, and held equal distances apart by a circular-shapedbelt 4 or other connecting structure that surrounds, with a snug fit, the circumference of astability ball 1 at a height 7 that is, for example, just below or at the midline of the ball. This allows the device to apply resistance and stability throughout the working surface of the ball during most functional exercises. Depending upon the shape of theball 1, it may be beneficial that the height 7 be above, or just slightly above, the midline of the ball in order to provide a better grip on the ball. It is also envisioned for the height to extend just past the middle plane of the ball and to have the uppermost ball-receiving opening to curve slightly inward. In such an embodiment, with a flexible exercise ball, the exercise device will slightly compress the ball to improve gripping and inhibit the ball from rolling out of theexercise device 2 during use. Together, therib assemblies 10 and thebelt 4 form a concave-shaped, hemispherical "cage" or "enclosure" of approximately the lower half of thestability ball 1 whereby the stability ball is securely seated inside thedevice 2. In this exemplary embodiment, therib assemblies 10 are removably anchored or secured to thebelt 4 at their radiating ends 8. Although threerib assemblies 10, resulting in sixribs 3, are shown in this particular embodiment, this is for purposes of a non-limiting illustration only. Depending on the amount of desired resistance to the rollaway movement of thestability ball 1, a variable number ofrib assemblies 10 may be used to form thedevice 2. The greater the number of rib assemblies used, the greater amount of resistance will be provided to the ball's movements. - In this particular embodiment, the
central base 11 of thedevice 2 is formed at the point where therib assemblies 10 overlap and cross one another. When placed on a substantially flat surface, thecentral base 11 ofdevice 2 provides a base, or resting position for thestability ball 1 when the ball is present. Theribs 3 radiate from thiscentral base 11 in a radial pattern that resembles the flower head of a daisy. In order to best form the concave-shaped, hemispherical "cage" or "enclosure," which most suitably conforms to the spherical shape of the lower half of the stability ball, the diameter of therib 3 is at its narrowest dimension at the point of thecentral base 11 and incrementally widens in a direction towards its radiatingend 8 of therib 3. However, it is contemplated by the present invention that theribs 3 may alternatively be constructed to have any strip-like shape, including a strip with a uniform diameter along its entire length, or, theribs 3 may be replaced entirely by a single, molded cup-like dome (not shown) (i.e., is not split into a plurality of rib assemblies 10) that encloses the entire lower half of the stability ball. - Incorporated into the exterior surface of each rib 3 (or, the exterior surface of any other structure forming the enclosure of the lower half of the stability ball) is a
pair 9 of inclined planes or "wings" 5 that extend substantially parallel to a longitudinal axis of the rib and protrude perpendicularly from the exterior surface of the rib. Each inclined plane orwing 5 steadily increases in its protruding distance, or angle of inclination, as it approaches the radiating or anchoringend 8 of therib 3 at thebelt 4 of thedevice 2. The addition of these inclined planes orwings 5 to theribs 3 of theinventive device 2 provides an incremental amount of resistance to the rolling movement of thestability ball 1, thereby requiring a greater muscular effort to move the ball as it rolls further from its base position (i.e., the upright, established position of the ball when it is at rest).FIGS. 30 and31 graphically illustrate the counteractive or balancing relationship between the degree of the rolling movement of the ball from its base position and the amount of resistance created by the inclined planes orwings 5 of theribs 3. During exercise movements, thestability ball 1 is naturally inclined to roll away from its base (i.e., resting) position, which is desirable for the user when it is controllable in a stable manner. With the addition of theinventive device 2, as the ball rolls away from its base position in any direction along a substantially flat surface, the inclined planes orwings 5 of theribs 3 come into contact with the substantially flat surface to provide an increasing, counteracting or balancing resistance to movement of the ball away from its base position in an incremental fashion. In other words, the greater the degree of rollaway motion of the ball from its base position, the greater amount of surface area of the inclined planes orwings 5 come into obstructive contact with the substantially flat surface thereby providing an increased amount of resistance to the ball's movement. The resistance created by the inclined planes orwings 5 of theribs 3 drives or biases the ball back towards its original, base position. Thus, as the user's exercise movements cause a rotation of the ball in one direction, the ribs increase the resistance in the other direction, which stabilizes the ball's inherent and uncontrolled movements and increases the effectiveness of the exercise. Inventively, theexercise device 2 of the present invention stabilizes the ball while still allowing it to perform its function and with increased resistance experienced by the user. - Referring back to
FIGS. 1 to 6 , in this particular embodiment, thebelt 4 of thedevice 2 hasintermittent curves 6 along its length between the points at which therib assemblies 10 are removably anchored or secured to thebelt 4. In this way, the anchoring or securing points are clearly set apart so that they are easily identifiable by the user and the resulting spatial footprint of thedevice 2 on theball 1 is reduced. - The
belt 4 and therib assemblies 10 may be comprised of, but not limited to, heavy-duty nylon. However, other materials including high-impact plastic are feasible. - Additionally, the
device 2 may incorporate a supplementary elastic band exercise system (not shown), which allows the user to attach elastic bands to the device thereby adding a resistance-training component to the device. - In
FIGS. 7 to 17 , there is shown a second exemplary embodiment of the exercise device according to the background art. Similarly to the exemplary embodiment depicted inFIGS. 1 to 6 , theexercise device 2 is comprised of abelt 4 that is shaped to tightly surround the circumference of astability ball 1 just below the ball's midline, and four (as shown inFIGS. 7 to 11 ) or three (as shown inFIGS. 12 and13 )rib assemblies belt 4 at indentations ornotches 13 of theinterior surface 14 of the belt 4 (which are shown in detail inFIGS. 13 and 14 ). Together, therib assemblies 10a-c and thebelt 4 form a radially-shaped "cage" or "enclosure" of the lower half of theball 1. However, in this particular embodiment, thebelt 4 does not have intermittent curves along its length and instead, thebelt 4 has aconstant width 12 along its entire length. As clearly shown inFIGS. 11 and12 , therib assemblies 10a-c come together centrally to form acentral base 11, which when placed on a substantially flat surface, provides a base, or resting position for thestability ball 1 when the ball is seated inside thedevice 2. -
FIGS. 15 to 17 show, in close detail, any one of therib assemblies 10a-c ofFIG. 12 . Each rib assembly defines two ribs, 3a-b, 3c-d, and 3e-f that radiate from thecentral base 11 in a wheel-and-spokes pattern whereby the ribs increasingly widen in a direction away from thecentral base 11. Each rib has apair 9 of raised,inclined planes 5 that run substantially parallel along the rib's longitudinal axis. At each radiatingend 8 of the rib assembly, there lies atrapezoidal protrusion 17 and a linkingpin 16 for securing the rib assembly to thebelt 4. To secure eachend 8 of therib assemblies 10a-c to thebelt 4, a corresponding number of trapezoidal indentations ornotches 13, havingkeyhole slots 15, are formed in theinterior surface 14 of the belt 4 (seeFIGS. 13 and 14 ). The trapezoidal indentations ornotches 13 are shaped to have a corresponding, or mating fit to thetrapezoidal protrusions 17 of the rib assembly and eachkeyhole slot 15 of the trapezoidal indentations or notches is shaped to retain the linkingpin 16 of the rib assembly. By mating both the trapezoidal indentations ornotches 13 of the belt with thetrapezoidal protrusions 17 of the rib assembly, and thekeyhole slots 15 of the belt with the linking pins 16 of the rib assembly, the rib assembly is removably secured to the belt. - To illustrate the sequential steps for assembling the
exercise device 2 ofFIGS. 7 to 17 , and applying theexercise device 2 to astability ball 1 in accordance with one exemplary embodiment of the present invention,FIGS. 25 to 29 provide a pictorial representation of the assembly-line process. In the first step, as shown inFIG. 25 , therib assemblies 10 are placed between thestability ball 1 and thebelt 4 in a substantially flat, radial configuration with the ribbed surface of the rib assemblies facing downwards towards the belt. In the second and third steps, as shown inFIGS. 26 and 27 , in a fluid motion using the belt, therib assemblies 10 are guided upwards into their semicircular arc or bow shape as permitted by the inherent flexibility of the material comprising therib assemblies 10. As a result, the rib assemblies form a concave-shaped seat, having acentral base 11, in which theball 1 is seated. In the next step, as shown inFIG. 28 , theribs 3 of eachrib assembly 10 are removably secured to thebelt 4 at theirends 8 by sliding the linkingpin 16 into the corresponding keyhole slot 15 (not shown) formed in the interior surface of the belt. Once the rib assemblies are removably secured or anchored to the belt, the resultingdevice 2, as shown inFIG. 29 , tightly captures and encloses the lower portion of theball 1. - The mechanism described above for anchoring or securing the rib assemblies to the belt serves as just one illustration of a large number of mechanisms that are contemplated by the present invention. For example,
FIGS. 18 to 20 illustrate a third exemplary embodiment of the exercise device according to the background art that is very similar to the embodiments ofFIGS. 1 to 17 except for the securing mechanism between theends 8 of therib assemblies 10 and thebelt 4. As shown in detail inFIG. 19 , eachrib 3 has a U-shaped hook orprotrusion 19 at its radiatingend 8. As depicted clearly inFIG. 20 , to secure therib 3 to thebelt 4, the belt has a corresponding number of U-shaped slots ornotches 18 along the length of the belt's circumference that are shaped to matingly fit the U-shaped hooks orprotrusions 19 of theribs 3 when the U-shaped hooks orprotrusions 19 are slidingly inserted into theslots 18 of the belt in a buckle-like fashion. - Alternatively, it is contemplated by the present invention that any mechanism for anchoring or securing the
rib assemblies 10 to thebelt 4 may be entirely omitted. For example,FIGS. 21 to 24 illustrate a fourth exemplary embodiment of the exercise device according to the background art whereby therib assemblies 10 and thebelt 4 are formed as a single integral piece such that the rib assemblies cannot be removed, but are permanently secured to the belt. This type of assembly for theexercise device 2 may be made by, for example, injection-type molding.FIG. 22 illustrates on onerib 3, an alternative embodiment of the inclined planes orwings 5, which are shown as a single inclined wedge orwing 27. Thus, it should be noted that a number of alternative shapes and a variable number of the inclined planes orwings 5 are possible with the invention and include, for example, a singleinclined plane 5, a variable number ofinclined planes 5, or one or more intermittent inclined tabs for any one or more of theribs 3. - In
FIGS. 32 to 40 , there is shown a fifth exemplary embodiment of the exercise device according to the background art, which differs from the previously described embodiments in that the plurality ofrib assemblies 10 are cut in half into theirconstituent ribs 3, and acentral hub 20 is used to interconnect theribs 3 at theends 26 of the ribs that are proximate thecentral base 11. By dividing the rib assemblies into theirconstituent ribs 3 and incorporating thecentral hub 20, thecentral base 11 of thedevice 2 is no longer formed by the.overlappingrib assemblies 10, and thereby provides a smooth rolling surface. Instead, both ends 8, 26 of theribs 3 are now removably secured to thebelt 4 or thecentral hub 20, respectively. For example, as shown in close detail inFIGS. 39 and40 , thenarrower end 26 of therib 3 that is proximate to thecentral hub 20 when assembled, has two adjacent, vertically-aligned mounting holes 22. At the wider, radiatingend 8 of therib 3 that is proximate to thebelt 4 when assembled, there are two adjacent, horizontally-aligned mounting holes 23. As best shown inFIGS. 32 and36 , to secure theribs 3 to thecentral hub 20, two locking pins 21 (shown in detail inFIG. 41 ) are inserted into mountingholes 22 and through corresponding, recessed holes along the outer circumference of thecentral hub 20 to securely attach the two pieces together. The locking pin may be of any suitable type, such as an Allen-type pin. Similarly, as best shown inFIG. 35 , to secure theribs 3 to thebelt 4, two lockingpins 24 are inserted into mountingholes 23 and through corresponding, recessed holes along the circumferential length of thebelt 4 from the interior surface orside 14 of the belt. The resultingdevice 2, in a fully assembled configuration, is shown inFIG. 37 . In this exemplary embodiment ofFIGS. 32 to 40 , thecentral hub 20 is annular in shape, but has a surface area that closely approximates a solid, circular plate. However, thecentral hub 20 can be of any shape or form that acts as a central meeting place for theribs 3 and sufficiently conforms to the circumference of thestability ball 1 seated therein such that the stability ball has a base, resting position, but is also capable of being rolled during exercise. For example, despite the nearly plate-like shape, thecentral hub 20 of the embodiment shown inFIGS. 32 to 40 has an opening at its center (thereby, forming an annulus) and a slight concavity that permits it to roll along a surface during exercise, but still maintains a default base, or resting position for thestability ball 1 when the ball is seated inside thedevice 2. -
Brackets 25 are molded onto thebelt 4 at two points on the circumference of the exercise device that are 180 degrees apart. Thesebrackets 25 are used to attach resistance tubes to the device, for example, using nylon belts with D-rings so that resistance-training exercises can be performed on the ball. - In
FIG. 42 , there is shown an exemplary embodiment of the exercise device. This sixth embodiment differs in a number of respects from the previously described embodiments. For example, in this embodiment, thecentral hub 20 is in the shape of an annular ring that encircles and seats the lower circumference of theball 1 and leaves a substantial part of the bottommost portion of the ball exposed and uncovered by thecentral hub 20. The plurality ofribs 3 are held at equidistant points from one another in-between thecentral hub 20 and thebelt 4. Together, thecentral hub 20,belt 4 andribs 3 form a cage in which theball 1 is seated. In addition, asecondary pedestal structure 30 is applied to thecentral hub 11 to create a stand for holding theexercise device 2 stationary when placed on a substantially flat surface. When viewing the overall assembly of thedevice 2 and thesecondary structure 30 together, its appearance resembles an hourglass shape. Due to the fact that thesecondary structure 30 prevents theexercise device 2 from moving, one ormore rollers 35 are molded onto or otherwise secured around at least one of thecentral hub 20 andbelt 4 to allow the ball to still move within theexercise device 2 for use in performing an exercise. Thus, the user is still able to take advantage of the increased resistance that results from placing theball 1 inside theexercise device 2. Due to their construction, therollers 35 rotate about the tubular bars that form thecentral hub 20 and thebelt 4 when brushed upwards or downwards by the ball's movement. Accordingly, theball 1 is still able to move within thestationary exercise device 2. - In a similar manner to that shown in the embodiments of
FIGS. 32 to 40 and 42, that thecentral base 11 may be in the form of an annulus and/or an annular ring that interconnects or is formed by the plurality ofrib assemblies 10, rather than forming a substantially circular and/or solid hub, point, plate or base. -
FIGS. 43 to 46 illustrate two exemplary embodiments of the exercise device. Like the embodiment shown inFIG. 42 , an annular ring forms thecentral base 11 and is positioned along the lower circumference of theexercise device 2. In the exemplary embodiment ofFIG. 43 , thecentral base 11 is placed closer to thebelt 4 in comparison to the position of thecentral base 11 that is shown in the embodiment ofFIG. 44 . In the exemplary embodiment ofFIG. 44 , thecentral base 11 is placed at a much lower point (e.g., approximately 1" inch from the bottommost point of the exercise device 2) along the lower circumference of theexercise device 2. These two embodiments differ from the embodiment ofFIG. 42 in that the plurality ofribs 3 do not radiate outwards to form a hemispherical cage with thecentral base 11 and thebelt 4. By contrast, theribs 3 extend vertically straight downwards from thebelt 4 to the surface upon which theexercise device 2 rests. For example, if theexercise device 2 is resting on a horizontally flat floor, theribs 3 extend from thebelt 4 to the floor such that they are substantially perpendicular to the floor plane. As a result, eachrib 3 does not directly meet with thecentral base 11 as thecentral base 11 necessarily has a smaller diameter than thebelt 4. Rather, theribs 3 act as stilts that hold theexercise device 2 still when it is placed on a substantially flat surface. Eachrib 3 is indirectly connected to thecentral base 11 by an intermediate, interconnectingstructure 32 at some point along the length ofrib 3.Feet 40, made of rubber or some other suitable high-friction material, may be applied to the free ends of theribs 3 to aid in stabilizing theexercise device 2 along the surface upon which it rests. In addition, eachindividual rib 3 may be made to be mechanically adjustable such that its vertical length can be adjusted (i.e., shortened or lengthened). This allows theribs 3 to accommodate the relative position (height) of thecentral base 11 and/or any angle present in the surface upon which theexercise device 2 is resting. For example, eachindividual rib 3 may be comprised of twotelescoping pieces pieces ribs 3 are able to maintain a substantially vertical stance along the entire circumference of theexercise device 2 despite any variations in the surface upon which it stands. - Referring to
FIGS. 47 to 54 , there is shown an exemplary embodiment of the exercise device. This particular embodiment is substantially similar to the embodiment ofFIGS. 32 to 40 in that eachrib 3 is removably attached to acentral hub 20 at oneend 26, and is removably attached to abelt 4 at its opposite (radiating)end 8 to form a hemispherical cage for receiving the lower circumference of thestability ball 1. Alternatively, theribs 3, thecentral hub 20, and thebelt 4 may be comprised of a single, molded piece such thatribs 3 are integral with thecentral hub 20 andbelt 4. Unlike the embodiment ofFIGS. 32 to 40 , thecentral hub 20 is in the shape of an annular ring such that the bottommost portion of theball 1 is left exposed and uncovered by thelarge opening 50 of the central hub 20 (as best shown inFIG. 49 ). As a result, the surface area of thecentral hub 20 is minimal and therefore, does not significantly impede the rolling movement of the ball. In this way, theball 1 directly touches the rolling surface making it possible for the user to roll the ball during exercise. The advantageous resistance that counteracts the rolling movement of the ball is still felt by the user, but is primarily created by and concentrated at the inclined planes orwings 5. - An exemplary embodiment of the exercise device is provided and shown in
FIG. 55 . There exists the possibility of the ball sliding along the floor due to the significant decrease in the surface area in contact with the floor in the transition from thecentral hub 20 to the wings. In this particular embodiment, resistance to sliding is provided by the addition of one or moremodular enhancers 45 that can be selectively applied to the outside perimeter of each inclined plane orwing 5. Theenhancers 45 increase the effective protruding distance, or angle of inclination, of the plane orwing 5 and can be made to grip the floor by being of a skid-resistant material such as silicone rubber. As shown in close detail inFIG. 57 , theenhancers 45 are crescent- or arc-like segments shaped to conform to the curvature of at least a portion of the outside perimeter of the inclined planes orwings 5. At the inner arc of the enhancer segment is aninterior groove 46 that is shaped to receive the edge of the outside perimeter of the inclined plane orwing 5 such that theenhancer 45 can be securely applied to the edge of the inclined plane orwing 5, when desired. Thus, by selectively applying theenhancers 45 to the outside perimeters of one or more of the inclined planes orwings 5, skidding can be eliminated and/or the effective resistance provided by the enhanced inclined plane(s) or wing(s) can be increased along the entire circumference of thedevice 2 or, just a specific portion of the circumference of thedevice 2. - As shown in close detail in
FIG. 56 , the inclined planes orwings 5 may also be structurally comprised of two ormore partitions wing 5. Accordingly, theenhancers 45 may also be partitioned into separate parts that correspondingly fit each of thepartitions wing 5 and theenhancers 45 into separate corresponding segments or parts, each plane orwing 5 can advantageously be divided into separate zones, each zone providing a different or varying degree of resistance. For example, as shown inFIG. 56 , the inclined plane orwing 5 can be divided into three parts: alower partition 41, anintermediate partition 42, and anupper partition 43, thereby creating three different discrete zones along the length of the inclined plane orwing 5. Selectively, the user may only wish to increase the resistance felt at the very beginning of the rolling movement of the ball away from its resting or base position and, therefore, can apply anenhancer 45 only to thelower partition 41 of thedevice 2. Similarly, the user may wish to only increase the resistance felt at the mid-extension point of the rolling movement of the ball away from its resting or base position and, therefore, can apply anenhancer 45 only to theintermediate partition 42 of thedevice 2 and leave thelower partition 41 andupper partition 43 as is without theenhancers 45. By being able to vary the amount of resistance felt by the user at different points along the route of the rolling ball, the user can uniquely and dynamically change the intensity of the resulting exercise. - An embodiment of the exercise device according to the present invention is provided and shown in
FIG. 58 . In this embodiment, a plurality of inclined planes orwings 5 are directly attached to or integrally formed at the exterior surface of theball 1 in a pattern that begins at a bottom portion, or, at any level from the bottom portion to half way up the circumference of theball 1, and radiates upwards along the spherical exterior surface of the ball to a desired height. Each inclined plane orwing 5 begins at or near the bottom of theball 1 at oneend 51 and steadily increases in its protruding distance, or angle of inclination, as it approaches its opposite, radiatingend 52. The increase can continue all the way or partly up thewing 5. In the former exemplary configuration, thewing 5 continues extending outwardly away from the center of theball 1 to create a wedge-shapedwing 5. In the latter exemplary configuration, thewing 5 continues extending outwardly away from the center of theball 1 only up to an intermediate portion of thewing 5. The remainder can have a constant outside radius so that the upper portion of thewing 5 is relatively cylindrical or it can decrease in radius until it merges back into the outer surface of theball 1. - Compared to above-described exemplary embodiments, the hemispherical cage or enclosure formed by the
ribs 3,belt 4, and central base orhub wings 5 are directly applied to or formed integrally with the exterior surface of theball 1. However, in the same manner as described above and as shown inFIGS. 30 and31 , the addition of the inclined planes orwings 5 still provides an incremental amount of resistance to the rolling movement of theball 1. - Any suitable method of forming the
ball 1 with the inclined planes orwings 5 or, applying the inclined planes orwing 5 to the ball's exterior surface, may be considered. For example, the inclined planes orwings 5 may be initially molded onto or integrally formed with theball 1 during manufacture. Where the inclined planes orwings 5 are initially formed separately from theball 1 and, thereafter, are applied to the surface of theball 1, the inclined planes orwings 5 are necessarily shaped to conform to the spherical exterior of theball 1. For example, the inclined plane orwing 5 may be made of a flexible (or soft), molded plastic. To attach the inclined plane orwing 5 to theball 1, a number of temporary, permanent, or semi-permanent adhesive compounds may be used. Alternatively, corresponding VELCRO® fasteners may be applied to adjacent surfaces of theball 1 and the inclined plane orwing 5. In a further example, a variety of mating mechanical attachments (e.g., a male pin and matching female keyhole-slot) may be used to adjoin corresponding adjacent parts of theball 1 and inclined plane orwing 5. - Additionally, the inclined planes or
wings 5 may be formed as one solid piece, or may be partially or fully hollow and shown, for example, inFIG. 59 . Further, a combination of solid, hollow, and partially hollow inclined planes orwings 5 may be formed onto or applied to asingle ball 1. In the exemplary embodiment shown inFIG. 59 , the inclined planes orwings 5 are initially formed ashollow pockets 53 either during or after manufacture of theball 1. Each of thehollow pockets 53 is open at the bottom, the top, or an intermediate portion. A variable amount of support may be added to thehollow pocket 53 by partially or fully filling it with aweighted substance 54, for example, by injecting plastic into thepocket 53. Then, the opening can be sealed so that thesubstance 54 is not able to escape from thepocket 53. In an injection method, only a small hole is made. After hardening, thesubstance 54 becomes too large to exit the injection orifice. - In the embodiment shown in
FIG. 60 , thepocket 55 is akin to a typical pocket open at anintermediate slit 56. A variable amount of support is able to be added to thehollow pocket 55 by inserting removably a correspondingly shapedmodular insert 57 within its hollow interior. As depicted inFIG. 60 , when desired by the user, theinsert 57 is received through the opening or slit 56 of the inclined plane orwing 5 and is slid down into the hollow interior of the plane orwing 5. As thepocket 55 is at least partially elastic, thetop portion 58 of thepocket 55 is stretched over the top end 59 of theinsert 57 to capture theinsert 57 therein and prevent it from falling out during use. - The foregoing description and accompanying drawings illustrate the principles, preferred embodiments and modes of operation of the invention. However, the invention should not be construed as being limited to the particular embodiments discussed above. Additional variations of the embodiments discussed above will be appreciated by those skilled in the art and the above-described embodiments should be regarded as illustrative rather than restrictive. Accordingly, it should be appreciated that variations to those embodiments can be made by those skilled in the art without departing from the scope of the invention as defined by the following claims. Combinations of any number of the various features from the various exemplary embodiments together are contemplated within the scope of the invention.
- The above-described embodiments should be regarded as illustrative rather than restrictive. Accordingly, it should be appreciated that variations to those embodiments can be made by those skilled in the art without departing from the scope of the invention as defined by the following claims.
Claims (11)
- An exercise device, comprising an exercise ball (1) having an exterior surface;
and
at least one arc-shaped wing structure (5):- being integrally formed with the ball at said exterior surface,- having a lower proximal end (51) and an upper distal radiating end (52);- protruding away from the exterior surface of the ball to a given distance that increases along a direction from the lower proximal end (51) towards the upper distal radiating end (52); and- operating to provide an increased resistance against a rolling movement of the exercise ball (1) in a direction along a surface when the at least one arc-shaped wing structure comes into rolling contact with the surface. - The exercise device according to claim 1.
wherein the at least one arc-shaped wing structure (5) biases the exercise ball (1) in a direction opposing the rolling direction of the exercise ball when the at least one arc-shaped wing structure (5) comes into rolling contact with the surface. - The exercise device according to claim 1,
wherein the at least one arc-shaped wing structure (5) is initially formed separately from the exercise ball (1) and thereafter, is applied to the exterior surface of the exercise ball (1). - The exercise device according to claim 3,
wherein the at least one arc-shaped wing structure (5) further comprises at least one mechanical structure operable to attach the at least one arc-shaped wing structure (5) to the exterior surface of the exercise ball (1). - The exercise device (1) according to claim 1.
wherein a plurality of the arc-shaped wing structures (5) are intermittently applied along a circumference of the exercise ball (1) to form a pattern that begins at a point below a midline of the exercise ball (1) and radiates upwards along the exterior surface of the exercise ball (1) to a desired height. - The exercise device (1) according to claim 1,
wherein the at least one arc-shaped wing structure (5) is formed as one solid piece. - The exercise device (1) according to claim 1,
wherein the at least one arc-shaped wing structure (5) has an interior that is at least partially hollow. - The exercise device (1) according to claim 5,
wherein at least one of the arc-shaped wing structures (5) is formed as one solid piece and at least another one of the arc-shaped wing structures (5) has an interior that is at least partially hollow. - The exercise device (1) according to claim 7,
wherein the at least partially hollow interior of the at least one arc-shaped winged structure (5) is sealed and at least partially filled with a weighted substance. - The exercise device (1) according to claim 7,
wherein the at least partially hollow interior of the at least one arc-shaped wing structure (5) is at least partially open at a point along a length of the arc-shaped wing structure (5) such that the at least partially hollow interior forms a pocket in the arc-shaped wing structure (5). - The exercise device (1) according to claim 10,
wherein the at least partially hollow interior is operable to selectively hold a weighted substance inserted therein thereby providing an adjustable amount of increased resistance against the rolling movement of the exercise ball (1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/154,742 US8235878B2 (en) | 2009-07-31 | 2011-06-07 | Stability ball control device with radial control surfaces of increasing widths |
Publications (2)
Publication Number | Publication Date |
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EP2532393A1 EP2532393A1 (en) | 2012-12-12 |
EP2532393B1 true EP2532393B1 (en) | 2015-07-01 |
Family
ID=44992442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11007907.6A Not-in-force EP2532393B1 (en) | 2011-06-07 | 2011-09-29 | Stability ball control device with radial control surfaces of increasing widths |
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EP (1) | EP2532393B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6730005B1 (en) * | 2002-12-27 | 2004-05-04 | Hsin Lung Accessories Co., Ltd. | Ball positioning structure |
US20060203841A1 (en) | 2005-03-09 | 2006-09-14 | Fischer Matthew J | Coordination of multiple protocols using a shared communication medium |
US7691036B1 (en) * | 2007-05-23 | 2010-04-06 | Julian Michael K | Support for a fitness ball and method of use |
US7942796B2 (en) * | 2009-07-31 | 2011-05-17 | Concept One International Llc | Stability ball control device with radial control surfaces of increasing widths |
-
2011
- 2011-09-29 EP EP11007907.6A patent/EP2532393B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
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EP2532393A1 (en) | 2012-12-12 |
CN102814026A (en) | 2012-12-12 |
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