Abstract: A foldable trampoline includes a frame consisting of multiple frame sections, a jumping bed, and a plurality of legs connected to each joint of two adjacent frame sections. At least two knuckle mechanisms are provided at two opposite joints of the frame sections. Each knuckle mechanism includes two clamp brackets that are fixedly connected to two adjacent frame sections at their opposed ends. Each clamp bracket has two spaced arms that forward extend beyond the end of the frame section by a predetermined length and then turn downward to form two lug portions. The lug portions of the two clamp brackets are overlapped and pivotally connected to each other via a shaft pin extended therethrough. The shaft pin also extends through the leg located at the joint, so that the two adjacent frame sections may be pivotally turn about the shaft pin without the need of dismounting the leg thereat.

Abstract: A trampoline system has a frame with horizontal and supporting members raising the frame above the ground. The trampoline bed and springs have a pad body attached to the trampoline frame by straps. Each strap pair has an upper and lower strap attached to the pad body at a junction. Flange braces are mounted on the junction between the horizontal members and supporting members. A limiting member connecting each strap pair at a distance from the junction defines a pad strap gap as the distance from the junction to the limiting member. The pad strap gap is an elastic slack space sized according to the distance between the trampoline frame and the outer periphery of the trampoline pad body.

Abstract: The inflatable basketball structure includes an inflatable basketball backboard, an inflatable basketball rim, a basketball net, an inflatable supporting pole, and an inflatable safety enclosure. The inflatable basketball structure on a trampoline allows height challenged users the opportunity to slam-dunk and otherwise fulfill athletic basketball fantasies in a safe environment.

Abstract: A trampoline system has a rebounding bed and a resilient member located below the bed at such a position that the bed depresses the resilient member when the bed is sufficiently depressed by a person jumping on the bed. The presence of the resilient member makes it easy to tune the system to adjust the performance of the trampoline and to minimize impacts on a jumper and thereby reduce the likelihood of bed-impact injuries.

Abstract: Springs (10) or other elastic connectors used to support a bed (14) within the frame of a trampoline or the like are attached using methods that systematically vary the tension (or the travel distance required to reach limit of elasticity) between adjacent (or sets of adjacent) springs (10). These spring attachment methods increase the time it takes a given trampoline to absorb a given amount of energy, increasing the shock absorption time and thereby reducing the likelihood of an injury.

Abstract: An exercise device having position verification feedback capabilities. In one embodiment, the exercise device generally includes a base unit defining a support surface, at least two position sensors arranged along a sensing plane relative to the support surface for detecting the presence of the user along the sensing plane, and a controller in communication with the position sensors to determine the user's position relative to the sensing plane. In another embodiment, the exercise device is configured to simulate the activity of jumping rope. In a further embodiment, an exercise device is provided that is capable of measuring one or more parameters associated with a user's vertical jumping ability.

Abstract: A connector for trampoline safety fence post includes a short supporting tube and a short connecting tube fixedly and parallelly connected to one side of the supporting tube. The supporting tube is fixedly connected at an upper end to a lower side of one of many frame pipes forming a trampoline frame, so that a corresponding tube-connecting end of one trampoline supporting leg may be upward inserted into a lower open end of the supporting tube, and a tube-connecting end of the safety fence poet may be downward inserted into an upper open end of the connecting tube. The connectors enable the trampoline supporting legs and the safety fence posts to be quickly connected to the frame supporting a jumping bed of the trampoline and ensure an enhanced structural strength at the connected points.

Abstract: A trampoline support frame is made up of a base frame 3 and tubular holders 8 arranged to retain the lower ends of respective resiliently flexible rods 2, with the tubular holders 8 located at least partly within the base frame 3. The base frame may have a number of interconnectable base sections 4, 5. The base sections may be coupled by an extending tongue portion 6 of one base section engaging into a recess 7 in an adjacent base section. The tongue portion of each base section may be provided with a slot arranged to receive at least one of the tubular holders of the adjacent base section. A trampoline has a flexible mat 1, the base frame 3, and a number of resiliently flexible rods 2 each having an upper end retained in the flexible mat and a lower end retained in a respective tubular holder 8.

Abstract: A leg structure 40 for a trampoline having a base frame formed from a plurality of interconnectable base sections includes two end sections 42, 44 arranged to support respective adjacent base sections 46, 48, and a central section 54 arranged to support the base sections 46, 48 supported by the end sections at the point of attachment of the base sections. A trampoline support frame has the base frame and a plurality of leg structures 40 supporting joins between respective pairs of adjacent base sections 46, 48. A trampoline has a flexible mat 1, a base frame formed from a plurality of interconnectable base sections 46, 48, a plurality of resiliently flexible rods 2 each having a lower end retained in the base frame and an upper end retained in the flexible mat, and leg structures 40 supporting joins between respective pairs of adjacent base sections 46, 48.

Abstract: A quick-coupling post for trampoline safety fence is formed from a plurality of sequentially connectable hollow sections and an elastic connecting element mounted in each section. Each of the hollow sections has an upper portion adapted to fitly extend into a lower portion of another section to align two through holes separately provided at the upper and the lower portion of the two hollow sections, respectively. The elastic connecting element is in the form of a letter V to include two normally outward stretched arms that naturally elastically press against two opposite inner surfaces of the hollow section. One of the two arms is provided at a free end with a short shaft tube that elastically extends through the two aligned through holes on two coupled hollow sections to hold the two coupled sections in place relative to each other.

Abstract: An exerciser including a movable body support mounted on an exerciser frame for movement along tracks provided by the frame. A movable foot support extends from the exerciser frame. The movable foot support is adapted to be engaged by the user's feet to absorb the energy of movement in a first direction and to provide the user with a bouncing movement, which the user may translate into a movement of the movable body support in the opposite direction. The movable foot support may be provided as an attachment and retrofitted to existing exercisers. The exerciser may include a resilient resistance system coupled to the movable body support and a set of pull lines with user grips trained over pulleys carried by the exerciser frame. Also disclosed are methods for enabling users to exercise.

Abstract: A fence surrounds a trampoline and extends above the rebounding surface, reducing the risk of injury. Shock absorption is aided by a support system of independent poles. Variable placement net fasteners also are detailed.

Abstract: Disclosed is an elasticity-controllable trampoline using a plate spring that can be manufactured in small size and in low height compared with existing trampolines using coil springs, thereby proving stability to a user. Also, it has a mechanical structure, thereby providing a semi-permanent life term. Under the principles of a lever using the third law of motion, particularly, the plate spring carries out action in smooth manner, in operation and also carries out reaction with the jumping operation of the user, such that the trampoline of the present invention will have a strong elasticity. In addition, a plate spring support movable stand on the plate spring is moved in simple manner according to the principles of the lever, thereby allowing the elasticity of the plate spring to be controlled. With the adjustment of the upward and downward motion of an action point operation bolt, the height of the upward and downward motion can be adjusted.

Abstract: A rectangularly-shaped exercise apparatus (20) having an endless frame (22) formed by angular elements (24) joined together at their adjacent corners (25) that include shoulders (45) and gussets (46). A bed (29) of fabric is disposed within frame (20) and joined to it by coiled springs (31) attaching the bed's grommets (33) to pins (38) extending from horizontally-oriented flanges (26) of angular elements (24), being held to pins (38) by washer-nuts 41/42). A socket (29) is securely mounted at the corners (25) to the undersides (39) of flanges (26) and into which deep-stroked leg assemblies (52) having springs (56) are slip fit. The leg assemblies (52) include an additional stroke displacement over the spring's stroke displacement by a plunger (53) over which the spring's tubular cylinder (54) displaces.

Abstract: An exercise device for use in performing a variety of physical exercises includes a low impact cushioned, resilient surface in association with a fixed structure, positioned adjacent thereto. A resistive element having a first end and a second end is coupled to the fixed structure by its first end. A harness is coupled to the second end of the resistive element. The harness provides a structure for restraining the user in a preselected position atop the resilient surface and for applying selective resistive forces to the user during an exercising session performed on the resilient surface.

Abstract: A bounce apparatus that includes a continuous inflatable support, an apron attached to the support, the apron including a sheet having a plurality of apertures and being folded over upon itself to form a plurality of loops, a mat that includes loops, and a cord passing through the apron loops and the mat loops.

Abstract: The present invention relates to a protection device for a trampoline, wherein the protection device comprises a plurality of support parts, the two ends of each support part being separately installed with an upper half part and a lower half part; and a protection film being installed between two support parts. Finally, the protection device is combined with a trampoline in order to ensure the safety of a person exercising on the trampoline.

Abstract: A safety trampoline is described herein. The trampoline comprises a generally circular inner canvas, a plurality of inner plane springs distributed about the perimeter of the inner canvas. The trampoline also comprises a generally circular outer canvas having a hole in its center substantially the same diameter as the perimeter of the inner canvas. The trampoline further comprises a plurality of outer plane springs distributed about the perimeter of the outer canvas and a plurality of binding ropes for attaching the plurality of inner plane springs to the inner canvas and the outer canvas, and for attaching the plurality of outer plane springs to the outer canvas.

Abstract: A bounce apparatus that includes a continuous inflatable support, an apron attached to the support, the apron including a sheet having a plurality of apertures and being folded over upon itself to form a plurality of loops, a mat that includes loops, and a cord passing through the apron loops and the mat loops.

Abstract: An integrated exercise machine system that is utilized to facilitate overall physical fitness which includes the detoxification of the body along with the aerobic conditioning of the cardiovascular system. The system was primarily designed to facilitate a proactive approach to the conditioning of muscles that have become fatigued or atrophied in various occupations, such as computer operators, clerical personnel, or other occupations that have limited range of motions, and improve mobility of the elderly and physically impaired. It is a uniquely shaped, portable rebounder that folds with a safety hinge and collapsing legs. An overhead upper body exercise system is adapted to the environment utilizing a dual telescopic primary horizontal overhead bar, adapts to a door frame or wall, and is housed in a cradle unit. There are two adjustable securing straps with a device for attaching and suspending the secondary horizontal bar and/or elastic resistance ropes with varying degrees of elasticity.

Abstract: An integrated exercise machine system that is utilized to facilitate overall physical fitness which includes the detoxification of the body along with the aerobic conditioning of the cardiovascular system. The system was primarily designed to facilitate a proactive approach to the conditioning of muscles that have become fatigued or atrophied in various occupations, such as computer operators, clerical personnel, or other occupations that have limited range of motions, and improve mobility of the elderly and physically impaired. It is a uniquely shaped, portable rebounder that folds with a safety hinge and collapsing legs. An overhead upper body exercise system is adapted to the environment utilizing a dual telescopic primary horizontal overhead bar, adapts to a door frame or wall, and is housed in a cradle unit. There are two adjustable securing straps with a device for attaching and suspending the secondary horizontal bar and/or elastic resistance ropes with varying degrees of elasticity.

Abstract: An exercise device, such as a trampoline, that is foldable with long-lasting rigidity in the framework. The trampoline is made foldable by using hinges to connect sections of the frame of the trampoline. The hinges are configured to provide lateral flexibility in the framework, thereby decreasing the stress applied to the hinges (and increasing the life of the hinges) when the trampoline is folded.

Abstract: The invention relates to a collapsible structure device for practicing elastics-assisted trampoline, an activity called “acro-bungy”. It includes a central mast (4) along which can vertically move, while being actuated through mechanical means (43), with a possibility of being locked in the upper position, a slide (6) on which are fitted, through their one end (51), legs aimed at being unfolded on both sides of the mast (4), while passing above one or several trampolines, and to which elastics are fixed.

Abstract: A floating playground includes floating modules which provide buoyancy to a variety of recreational implements. Rigid flotation vessels filled with foam provide buoyancy to the modules. The modules have a frame and plurality of posts which can support a variety of recreational implements. The modules float individually or can be connected together to from a floating playground with a variety of recreational implements. The modules are also mobile so they can be moved from location to location and interchanged with other modules to form a dynamic playground.

Abstract: A trampoline system includes a frame comprising a border rail encircling an opening and a plurality of support legs projecting from the frame. A trampoline bed is disposed within the opening and is secured to the border rail by a plurality of springs. The trampoline bed has a perimeter edge that is inwardly spaced apart from the border rail. A plurality of poles each upwardly project from the frame at spaced apart locations around the border rail. One or more tubular cushions encircle each of the poles. A flexible enclosure wall vertically upwardly extends above the trampoline bed so as to encircle the trampoline bed at the perimeter edge thereof. A plurality of elongated elastomeric ties extend from each pole to the enclosure wall so as to tightly support the enclosure wall in the vertical orientation. Stitching is used to secure the bottom edge of the enclosure wall adjacent to the perimeter edge of the trampoline bed.

Abstract: A foldable trampoline including a resilient web, a web frame assembly and a plurality of springs includes peripheral frame members pivotally connected to each other such that the web can be positioned between a first position oriented in an approximately horizontal configuration forming a trampoline, and a second position where a portion of the web is oriented at an angle of less than 180° relative the other portion of the web to thereby form a backstop for ball games. Frame assembly members dampen the movement of the frame members relative to each other to thereby control the rate at which the trampoline is folded.

Abstract: A bounce apparatus that includes a continuous inflatable support, an apron attached to the support, the apron including a sheet having a plurality of apertures and being folded over upon itself to form a plurality of loops, a mat that includes loops, and a cord passing through the apron loops and the mat loops.

Abstract: A trampoline system has a rebounding bed and a resilient member located below the bed at such a position that the bed depresses the resilient member when the bed is sufficiently depressed by a person jumping on the bed. The presence of the resilient member makes it easy to tune the system to adjust the performance of the trampoline and to minimize impacts on a jumper and thereby reduce the likelihood of bed-impact injuries.

Abstract: An improved trampoline consists of an air mattress equipped with a first inflation valve having a first fastening section attached to an inner peripheral rim and a jumping pad mounted to the inner periphery of the air mattress having a second fastening section attached to an outer peripheral rim thereof to couple with the first fastening section through a fastening element. The air mattress has a plurality of guarding struts mounted thereon to surround the jumping pad to form a jumping space. The air mattress is filled with air pressure to allow the jumping pad generating resilient force for people to jump in the jumping space up and down for exercise.

Abstract: Springs (10) or other elastic connectors used to support a bed (14) within the frame of a trampoline or the like are attached using methods that systematically vary the tension (or the travel distance required to reach limit of elasticity) between adjacent (or sets of adjacent) springs (10). These spring attachment methods increase the time it takes a given trampoline to absorb a given amount of energy, increasing the shock absorption time and thereby reducing the likelihood of an injury.

Abstract: A floating playground includes floating modules which provide buoyancy to a variety of recreational implements. Rigid flotation vessels filled with foam provide buoyancy to the modules. The modules have a frame and plurality of posts which can support a variety of recreational implements. The modules float individually or can be connected together to from a floating playground with a variety of recreational implements. The modules are also mobile so they can be moved from location to location and interchanged with other modules to form a dynamic playground.

Abstract: The water trampoline includes a generally doughnut-shaped inflatable tube having an open center area. A mesh rebound member extends over the open center area and is secured around its entire periphery to the tube on the upper surface of the tube member. The attaching/securing elements include a plurality of side-by-side loop elements which extend toward the open center area of the tube from the upper surface thereof and a plurality of side-by-side loop elements which extend from the periphery of the rebound member. A first cord extends through the loop members, alternately between alternate tube loop members and rebound element loop members. A second cord member extends through the loop members through which the first cord does not extend. The cord members are tightened, moving the loop members together endwise.

Abstract: A fence surrounds a trampoline and extends above the rebounding surface, reducing the risk of injury. Shock absorption is aided in the preferred embodiment by a support system of independent poles, linked at their tops by a flexible strap or line. An impact anywhere on the fence causes the posts to flex inwardly, absorbing the force. Much of this impact injury is stored in system components and is subsequently returned, helping propel an errant jumper back onto to the rebounding surface. Numerous other embodiments and accessories are also detailed. Similar arrangements are suitable for use with above ground pools.

Abstract: A water trampoline including a supporting shell and a plurality of concentrically disposed inflatable rings disposed within the supporting shell to form a stable, low profile buoyant platform. A trampoline mat is attached to an inner edge of the supporting shell to resiliently support it over the central opening of the platform. A zippered access opening is provided on the inner edge of the shell below the trampoline mat to provide access to the inflatable rings.

Abstract: A child activity device for entertaining and promoting activity in a child is disclosed. The child activity device is configurable between a use and storage position and may also include a frame providing bouncing motion for a child. The activity device includes a support frame extending vertically upwards from a lower end proximate to a support surface and terminating at an upper end, a supporting portion, and may further include a seat, coupled to the supporting portion, that is rotatable about a first axis relative to the support frame to allow a child placed in the seat to rotate about the first axis. A coupling assembly is also disclosed. The coupling assembly secures the supporting portion to the support frame upper end and permits rotation of the supporting portion about a second axis for configuring the seat and supporting portion in a storage position. An activity device with foldable support legs is also disclosed.

Abstract: The invention relates to a collapsible structure device for practicing elastics-assisted trampoline, an activity called “acro-bungy”.

Abstract: A safety trampoline is described herein. The trampoline comprises a generally circular inner canvas, a plurality of inner plane springs distributed about the perimeter of the inner canvas. The trampoline also comprises a generally circular outer canvas having a hole in its center substantially the same diameter as the perimeter of the inner canvas. The trampoline further comprises a plurality of outer plane springs distributed about the perimeter of the outer canvas and a plurality of binding ropes for attaching the plurality of inner plane springs to the inner canvas and the outer canvas, and for attaching the plurality of outer plane springs to the outer canvas.

Abstract: A recreational air board used for “surf-bouncing” on a trampoline. The board is made of at least one soft cushioning layer and a support layer. The cushioning layer provides protection against damage caused to the trampoline and other objects by impact with the board. The cushioning layer also minimizes the risk of injury to the user. The support layer provides stiffness to the board so that the board maintains its proper form. The board may be fastened to a user's feet by a pair of elastic cords. The elastic cords form loops to receive a user's feet and are attached to the board through openings in the board. The elastic cords can stretch to snugly fit different sized feet without the need for special boots and bindings.

Abstract: A trampoline pad assembly for securement to a trampoline of the type including a rebound surface suspended by springs from an elevated ring includes an annular top wall and an annular bottom wall secured together at congruent inner and outer edges to form an annular enclosure defining an interior pocket. At least one radial opening is formed in the bottom wall adjacent to the outer edge thereof which opening extends into the pocket. Resilient material is introduced into the pocket through the opening and an annular flexible skirt is secured to top wall adjacent to the outer edge thereof so that the skirt lies flat against the top wall. The skirt has a free edge and is foldable around those outer edges so that the skirt closes the opening thereby protectively enclosing the resilient material within the pocket and secures the pad assembly to the ring.

Abstract: An amusement system for infants is provided which gives a player a special bodily sensation that cannot be experienced in daily life. The amusement system comprises: a main body (10) including a mattress (11) of a generally flat rectangular solid shape housed in a frame (13), and pressing means (17) for externally pressing the mattress (11); and an enclosure (20) surrounding the frame (13). The mattress (11) comprises a bag (12) formed of a transparent flexible urethane sheet, and a liquid component including differently colored water and oil filled in the bag (12). The pressing means (17) includes a driver (18) incorporating a hydraulic cylinder, and a press plate (19) connected to a piston rod of the hydraulic cylinder. The press plate (19) is pivoted by the operation of the hydraulic cylinder to press a side face of the mattress (11) from the outside toward the inside, whereby the upper surface of the mattress (11) is waved.

Abstract: A water trampoline including a supporting shell and a plurality of concentrically disposed inflatable rings disposed within the supporting shell to form a stable, low profile buoyant platform. A trampoline mat is attached to an inner edge of the supporting shell to resiliently support it over the central opening of the platform. A zippered access opening is provided on the inner edge of the shell below the trampoline mat to provide access to the inflatable rings.

Abstract: The present invention relates to a protection device for a trampoline, wherein the protection device comprises a predetermined amount of support parts, the two ends of each support part being separately installed with an upper half part and a lower half part; and a protection film being installed between two support parts. Finally, the protection device is combined with a trampoline in order to ensure the safety of a person exercising on the trampoline.

Abstract: A trampoline which incorporates a flexible mat supported above a support frame by a number of spaced flexible rods; each rod is secured at one end to the mat and at the other end to the support frame.

Abstract: A trampoline pad assembly for securement to a trampoline of the type including a rebound surface suspended by springs from an elevated ring includes an annular top wall and an annular bottom wall secured together at congruent inner and outer boundaries to form an annular enclosure defining an interior pocket. At least one opening is formed in the bottom wall, which opening extends into the pocket. Resilient material is introduced into the pocket through the opening and an annular flexible skirt is secured to top wall adjacent to the outer boundary thereof so that the skirt lies flat against the top wall. The skirt has a free edge which is shorter than the wall outer boundary and the skirt is foldable around those outer boundaries so that the skirt overlaps the opening thereby enclosing the resilient material within the pocket and secures the pad assembly to the ring.

Abstract: The present invention 10 discloses an exercise device wherein a user 12 exercises the abdominal muscles by throwing a ball 14 against a net system 20, 40, 42. The user 12 places his head 34 and back 32 on a pivotable platform 18 and his buttocks 30 and feet 56 on a stationary platfoin 22 which pivots about spring 36. The spring 36 provides lift assistance when the user 12 throws the ball 14 and shock dissipation when the user 12 catches the ball 14. Foot straps 28 are provided for securing the feet 26 of the user 12. The nets 20, 40, 42 are mounted on supports 48, 50 which are vertically adjustable using locking means 52. Nets 40, 42 also have pivot means 46 for folding for storage against central net 20.

Abstract: A trampoline including a trampoline mat, a frame surrounding the trampoline mat, and an attachment system for connecting the frame to the trampoline mat. The attachment system includes a plurality of elastic straps connected to the periphery of the trampoline mat and a plurality of connectors for connecting the elastic straps to the frame.

Abstract: A fence surrounds a trampoline and extends above the rebounding surface, reducing the risk of injury. Shock absorption is aided in the preferred embodiment by a support system of independent poles, linked at their tops by a flexible strap or line. An impact anywhere on the fence causes the posts to flex inwardly, absorbing the force. Much of this impact injury is stored in system components and is subsequently returned, helping propel an errant jumper back onto to the rebounding surface. Numerous other embodiments and accessories are also detailed. Similar arrangements are suitable for use with above ground pools.

Abstract: A foldable trampoline having a jump cloth, a plurality of pull rods secured to cloth ears extending around the jump cloth, a frame having a plurality of hook holes formed on a top surface thereof, a plurality of spring elements engaged with the pull rods and within the hook holes, and a plurality of support rods respectively engaged within a plurality of thread holes formed on the frame. The frame is formed of a plurality of sections. One pair of sections has an L-shaped member with a thread hole formed at one end thereof. This pair of sections also has an upper strut extending outwardly from an upper end thereof. The thread hole of the L-shaped member is received within the end having the upper strut such that the thread hole of the L-shaped member is aligned with a thread hole formed on a bottom surface of the opposite end of the frame. Support rods can be extended through the various thread holes formed on the bottom sides of the frame so as to lock the frame sections together in a foldable arrangement.

Abstract: A floatable park that includes a trampoline and a first inflatable object attached to the trampoline. The first inflatable object is constructed to support a human being thereon. The park is floatable on water.