US20040171462A1 - Frame structure for a trampoline - Google Patents

Frame structure for a trampoline Download PDF

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Publication number
US20040171462A1
US20040171462A1 US10/756,808 US75680804A US2004171462A1 US 20040171462 A1 US20040171462 A1 US 20040171462A1 US 75680804 A US75680804 A US 75680804A US 2004171462 A1 US2004171462 A1 US 2004171462A1
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United States
Prior art keywords
base
trampoline
frame
section
sections
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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.)
Pending
Application number
US10/756,808
Inventor
Keith Alexander
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Board and Batten International Inc
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Board and Batten International Inc
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Publication date
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Assigned to BOARD & BATTEN INTERNATIONAL INC. reassignment BOARD & BATTEN INTERNATIONAL INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ALEXANDER, KEITH VIVIAN
Publication of US20040171462A1 publication Critical patent/US20040171462A1/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00Apparatus for jumping
    • A63B5/11Trampolines
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/026Bars; Tubes; Leaf springs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/023Supports, e.g. poles

Definitions

  • the invention relates to a trampoline for sporting and/or recreational use which is soft-edged relative to conventional trampolines which support the mat of the trampoline via a solid peripheral frame exposed to the springs between the frame and the mat. More particularly, the invention relates to a frame structure for a soft-edged trampoline.
  • U.S. Pat. No. 6,319,174 discloses a form of soft-edged trampoline in which the mat of the trampoline is supported by a plurality of resiliently flexible rods received in a frame of the trampoline at the lower ends of the rods and coupled to the periphery of the bouncing mat of the trampoline at their upper ends, and which avoids the need for a solid frame about the exterior of the bouncing mat and exposed springs between the frame and periphery of the mat.
  • the invention provides an improved or at least alternative frame structure for a soft-edged trampoline.
  • tramline is intended to extend also to smaller trampolines commonly referred to as rebounders as well as larger trampolines of all sizes.
  • the invention comprises a trampoline support frame comprising a base frame; and a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base frame.
  • the invention comprises a trampoline comprising a flexible mat; a base frame; a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base frame.
  • the invention comprises a trampoline support frame comprising a base frame; and means for supporting a plurality of resiliently flexible rods located at least partly within the base frame.
  • the invention comprises a trampoline support frame comprising a base frame formed from a plurality of interconnectable base sections; and a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base sections.
  • the invention comprises a trampoline comprising a flexible mat; a base frame formed from a plurality of interconnectable base sections; a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base sections.
  • the invention comprises a trampoline support frame comprising a base frame formed from a plurality of interconnectable base sections; and means for supporting a plurality of resiliently flexible rods located at least partly within the base sections.
  • FIG. 1 is a perspective view of one preferred form trampoline
  • FIG. 1A is an enlarged view showing the connection of two of the adjacent base sections of the trampoline of FIG. 1;
  • FIG. 2 shows the base section of a further preferred form trampoline in which the tubular holders are located at least partly within each base section;
  • FIG. 3 shows a tongue section forming part of the base section of FIG. 2;
  • FIG. 4 is a perspective view of a further preferred form trampoline.
  • one preferred form trampoline comprises a flexible mat 1 on which users may bounce, a plurality of resiliently flexible rods 2 , and a base frame 3 .
  • the preferred form trampoline is circular in shape but it will be appreciated that the trampoline could be any other desired shape, such as oval, square, rectangular or similar.
  • the preferred form base frame is in turn formed from a plurality of interconnectable base sections.
  • the base frame could be formed of a single annular ring frame rather than a plurality of base sections.
  • the base frame or each base section is preferably formed from steel, aluminium or other suitable material.
  • FIG. 1A shows an enlarged version of the base sections 4 and 5 .
  • Each base section is provided with a tongue portion at one end, for example tongue portion 6 shown on base section 5 .
  • Each base section is also provided with a recess, for example recess 7 into which the extending tongue portion of one base section is arranged to engage.
  • the base sections could have a substantially square cross-section and the tongue portion 6 could be of substantially circular cross-section, although it will be envisaged that the cross-section of the base section, the recess in the base section and/or the tongue section could be of oval, square, rectangular or similar cross-sections.
  • Each base section is provided with a plurality of tubular holders, for example 8 , arranged to retain the lower ends of the flexible rods 2 .
  • the tubular holders 8 are located at least partly within the base frame sections. It will be appreciated that the holders could be mounted in the base frame sections such that they extend partly from the base frame sections on either the interior or exterior of the assembled trampoline, or directly upwardly from the base frame sections.
  • Rods 2 are typically fibreglass rods but may alternatively be formed of spring steel, for example.
  • the lower ends of the rods are retained in the tubular holders mounted on the exterior of the base sections and the upper ends of the rods are each retained in the flexible mat 1 in a suitable fitting, for example.
  • the base frame 3 could be positioned on the ground or other substantially horizontal surface.
  • the trampoline could include a plurality of leg structures, for example leg 9 . End sections of the leg 9 could be secured to the respective base sections and each base section could include sockets arranged to retain respective end sections of the legs.
  • FIG. 2 shows one preferred form base section 20 in which the tubular holders, for example tubular holders 22 and 23 , that are arranged to retain the lower ends of the flexible rods, are located at least partly within base section 20 .
  • Locating the tubular holders at least partly within the base section 20 in this way improves the visual appearance of the base frame.
  • Recess 24 provided in base section 20 is arranged to receive an extending tongue portion of an adjacent base section.
  • One consequence of mounting the tubular holders at least partly within the base section 20 is that the lower end of tubular holder 23 has the potential to partially obstruct the recess 24 .
  • the tongue portion 26 of the adjacent base section is formed so as to engage in recess 24 .
  • the preferred form tongue 26 is provided with a slot 28 or other suitable aperture.
  • the slot 28 is shaped and positioned so as to receive at least one of the tubular holders of the adjacent base section, for example tubular holder 23 . In this way, the tongue portion 26 is able to engage completely within the recess 24 in the adjacent base section.
  • tongue section 26 is shaped and sized so as to engage within recess 24 . It will also be appreciated that further configurations of tongue sections are possible. For example, the tongue section could be shaped to be positioned to one side only of the tubular holder 23 within recess 24 .
  • the base section(s) of FIGS. 2 and 3 are shown as having circular cross-section, although it is possible to have other configurations of cross-sections.
  • the tubular holders are positioned within each base section so that at least part of the tubular holder extends or protrudes from the base section.
  • each tubular holder could also be provided with a non-uniform cross section along the length of the holder.
  • each tubular holder could be provided with a flared end 30 or aperture of larger diameter than the cross-section of the body of the holder. Such a flared end would assist a person assembling the trampoline to locate each flexible rod within the tubular holder.
  • the tubular holder could also terminate at the other end in a tapered point.
  • FIG. 4 shows an assembled trampoline formed from plurality of base sections such as those shown in FIGS. 2 and 3 above.
  • the tubular holders are preferably positioned within the base sections so that the flexible rods once positioned in the tubular holders stand generally upwardly and outwardly from the assembled base frame.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Tents Or Canopies (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

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.

Description

    FIELD OF INVENTION
  • The invention relates to a trampoline for sporting and/or recreational use which is soft-edged relative to conventional trampolines which support the mat of the trampoline via a solid peripheral frame exposed to the springs between the frame and the mat. More particularly, the invention relates to a frame structure for a soft-edged trampoline. [0001]
  • BACKGROUND TO INVENTION
  • U.S. Pat. No. 6,319,174 discloses a form of soft-edged trampoline in which the mat of the trampoline is supported by a plurality of resiliently flexible rods received in a frame of the trampoline at the lower ends of the rods and coupled to the periphery of the bouncing mat of the trampoline at their upper ends, and which avoids the need for a solid frame about the exterior of the bouncing mat and exposed springs between the frame and periphery of the mat. [0002]
  • SUMMARY OF INVENTION
  • The invention provides an improved or at least alternative frame structure for a soft-edged trampoline. [0003]
  • In this specification (including claims) the term “trampoline” is intended to extend also to smaller trampolines commonly referred to as rebounders as well as larger trampolines of all sizes. [0004]
  • In broad terms in one form the invention comprises a trampoline support frame comprising a base frame; and a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base frame. [0005]
  • In broad terms in another form the invention comprises a trampoline comprising a flexible mat; a base frame; a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base frame. [0006]
  • In another form in broad terms the invention comprises a trampoline support frame comprising a base frame; and means for supporting a plurality of resiliently flexible rods located at least partly within the base frame. [0007]
  • In broad terms in another form the invention comprises a trampoline support frame comprising a base frame formed from a plurality of interconnectable base sections; and a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base sections. [0008]
  • In broad terms in another form the invention comprises a trampoline comprising a flexible mat; a base frame formed from a plurality of interconnectable base sections; a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base sections. [0009]
  • In another form in broad terms the invention comprises a trampoline support frame comprising a base frame formed from a plurality of interconnectable base sections; and means for supporting a plurality of resiliently flexible rods located at least partly within the base sections.[0010]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • Preferred forms of the frame structure for a trampoline are described with reference to the accompanying drawings by way of example and without intending to be limiting, wherein: [0011]
  • FIG. 1 is a perspective view of one preferred form trampoline; [0012]
  • FIG. 1A is an enlarged view showing the connection of two of the adjacent base sections of the trampoline of FIG. 1; [0013]
  • FIG. 2 shows the base section of a further preferred form trampoline in which the tubular holders are located at least partly within each base section; [0014]
  • FIG. 3 shows a tongue section forming part of the base section of FIG. 2; [0015]
  • FIG. 4 is a perspective view of a further preferred form trampoline.[0016]
  • DETAILED DESCRIPTION OF PREFERRED FORMS
  • Referring to FIG. 1, one preferred form trampoline comprises a flexible mat [0017] 1 on which users may bounce, a plurality of resiliently flexible rods 2, and a base frame 3.
  • The preferred form trampoline is circular in shape but it will be appreciated that the trampoline could be any other desired shape, such as oval, square, rectangular or similar. [0018]
  • The preferred form base frame is in turn formed from a plurality of interconnectable base sections. In another form, the base frame could be formed of a single annular ring frame rather than a plurality of base sections. The base frame or each base section is preferably formed from steel, aluminium or other suitable material. [0019]
  • FIG. 1A shows an enlarged version of the [0020] base sections 4 and 5. Each base section is provided with a tongue portion at one end, for example tongue portion 6 shown on base section 5. Each base section is also provided with a recess, for example recess 7 into which the extending tongue portion of one base section is arranged to engage. As shown in FIG. 1A, the base sections could have a substantially square cross-section and the tongue portion 6 could be of substantially circular cross-section, although it will be envisaged that the cross-section of the base section, the recess in the base section and/or the tongue section could be of oval, square, rectangular or similar cross-sections.
  • Each base section is provided with a plurality of tubular holders, for example [0021] 8, arranged to retain the lower ends of the flexible rods 2. The tubular holders 8 are located at least partly within the base frame sections. It will be appreciated that the holders could be mounted in the base frame sections such that they extend partly from the base frame sections on either the interior or exterior of the assembled trampoline, or directly upwardly from the base frame sections.
  • [0022] Rods 2 are typically fibreglass rods but may alternatively be formed of spring steel, for example. The lower ends of the rods are retained in the tubular holders mounted on the exterior of the base sections and the upper ends of the rods are each retained in the flexible mat 1 in a suitable fitting, for example.
  • In one preferred form, the [0023] base frame 3 could be positioned on the ground or other substantially horizontal surface. Alternatively, the trampoline could include a plurality of leg structures, for example leg 9. End sections of the leg 9 could be secured to the respective base sections and each base section could include sockets arranged to retain respective end sections of the legs.
  • FIG. 2 shows one preferred [0024] form base section 20 in which the tubular holders, for example tubular holders 22 and 23, that are arranged to retain the lower ends of the flexible rods, are located at least partly within base section 20. Locating the tubular holders at least partly within the base section 20 in this way improves the visual appearance of the base frame. Recess 24 provided in base section 20 is arranged to receive an extending tongue portion of an adjacent base section. One consequence of mounting the tubular holders at least partly within the base section 20 is that the lower end of tubular holder 23 has the potential to partially obstruct the recess 24.
  • Referring to FIG. 3, the [0025] tongue portion 26 of the adjacent base section is formed so as to engage in recess 24. The preferred form tongue 26 is provided with a slot 28 or other suitable aperture. The slot 28 is shaped and positioned so as to receive at least one of the tubular holders of the adjacent base section, for example tubular holder 23. In this way, the tongue portion 26 is able to engage completely within the recess 24 in the adjacent base section.
  • It will be appreciated that the [0026] tongue section 26 is shaped and sized so as to engage within recess 24. It will also be appreciated that further configurations of tongue sections are possible. For example, the tongue section could be shaped to be positioned to one side only of the tubular holder 23 within recess 24. The base section(s) of FIGS. 2 and 3 are shown as having circular cross-section, although it is possible to have other configurations of cross-sections.
  • As shown in FIGS. 2 and 3, the tubular holders are positioned within each base section so that at least part of the tubular holder extends or protrudes from the base section. [0027]
  • Each tubular holder could also be provided with a non-uniform cross section along the length of the holder. Referring to FIGS. 2 and 3, each tubular holder could be provided with a flared end [0028] 30 or aperture of larger diameter than the cross-section of the body of the holder. Such a flared end would assist a person assembling the trampoline to locate each flexible rod within the tubular holder. The tubular holder could also terminate at the other end in a tapered point.
  • FIG. 4 shows an assembled trampoline formed from plurality of base sections such as those shown in FIGS. 2 and 3 above. The tubular holders are preferably positioned within the base sections so that the flexible rods once positioned in the tubular holders stand generally upwardly and outwardly from the assembled base frame. [0029]
  • The foregoing describes the invention including preferred forms thereof. Alterations and modifications as will be obvious to those skilled in the art are intended to be incorporated within the scope hereof. [0030]

Claims (17)

1. A trampoline support frame comprising:
a base frame; and
a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base frame.
2. A trampoline support frame as claimed in claim 1 wherein the base frame is formed from a plurality of interconnectable base sections.
3. A trampoline support frame as claimed in claim 2 wherein adjacent base sections are coupled by an extending tongue portion of one base section engaging into a recess in an adjacent base section.
4. A trampoline support frame as claimed in claim 3 wherein the tongue portion of each base section is provided with a slot arranged to receive at least one of the tubular holders of the adjacent base section.
5. A trampoline support frame as claimed in claim 3 wherein the tongue portion of the base section has a substantially circular cross-section.
6. A trampoline support frame as claimed in claim 3 wherein the recess of the base section has a substantially circular cross-section.
7. A trampoline comprising:
a flexible mat;
a base frame;
a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and
a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base frame.
8. A trampoline as claimed in claim 7 wherein the base frame is formed from a plurality of interconnectable base sections.
9. A trampoline as claimed in claim 8 wherein adjacent base sections are coupled by an extending tongue portion of one base section engaging into a recess in an adjacent base section.
10. A trampoline as claimed in claim 9 wherein the tongue portion of each base section is provided with a slot arranged to receive at least one of the tubular holders of the adjacent base section.
11. A trampoline as claimed in claim 8 wherein the tongue portion of the base section has a substantially circular cross-section.
12. A trampoline as claimed in claim 9 wherein the recess of the base section has a substantially circular cross-section.
13. A trampoline support frame comprising:
a base frame; and
means for supporting a plurality of resiliently flexible rods located at least partly within the base frame.
14. A trampoline support frame as claimed in claim 13 wherein the base frame is formed from a plurality of interconnectable base sections.
15. A trampoline support frame comprising:
a base frame formed from a plurality of interconnectable base sections; and
a plurality of tubular holders arranged to retain the lower ends of respective resiliently flexible rods, the tubular holders located at least partly within the base sections.
16. A trampoline comprising:
a flexible mat;
a base frame formed from a plurality of interconnectable base sections;
a plurality of resiliently flexible rods each having an upper end retained in the flexible mat; and
a plurality of tubular holders arranged to retain the respective lower ends of the flexible rods, the tubular holders located at least partly within the base sections.
17. A trampoline support frame comprising:
a base frame formed from a plurality of interconnectable base sections; and
means for supporting a plurality of resiliently flexible rods located at least partly within the base sections.
US10/756,808 2003-01-15 2004-01-13 Frame structure for a trampoline Pending US20040171462A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ52365003 2003-01-15
NZ523650 2003-01-15

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US20040171462A1 true US20040171462A1 (en) 2004-09-02

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US10/756,808 Pending US20040171462A1 (en) 2003-01-15 2004-01-13 Frame structure for a trampoline

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WO (2) WO2004062739A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060116243A1 (en) * 2004-11-08 2006-06-01 Dean Wyman System for improving the stability of a trampoline
US20060128529A1 (en) * 2003-12-16 2006-06-15 Craig Adams Recreational structure using a sleeve-joint coupling
US20060258509A1 (en) * 2005-05-12 2006-11-16 Craig Adams Spring arrangement for a recreational structure
US20070049463A1 (en) * 2005-08-26 2007-03-01 Arthur Chu Trampoline frame structure
US20090005221A1 (en) * 2007-06-29 2009-01-01 Keith Vivian Alexander Trampoline
US7628731B2 (en) 2005-05-12 2009-12-08 Ca06, Llc Spring arrangement for a recreational structure
US20100317490A1 (en) * 2007-11-05 2010-12-16 Keith Vivian Alexander Trampoline
US7927254B2 (en) 2003-12-16 2011-04-19 Cao6, Llc Recreational structure using a sleeve-joint coupling
US8137242B2 (en) 2003-12-16 2012-03-20 Ca06, Llc Recreational structure using a coupling member
EP3865185A4 (en) * 2019-12-19 2021-10-13 Wang, Yongqi Trampoline frame and trampoline

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2591007C (en) * 2004-05-31 2012-04-10 Board & Batten International Inc. A trampoline
AU2005312433B2 (en) * 2004-12-09 2010-12-16 Board & Batten International Inc A trampoline
US20120142499A1 (en) * 2010-12-03 2012-06-07 Masato Ikegami Leg assembly and platform assembly for a trampoline
CN107019869B (en) * 2017-04-19 2018-09-04 东莞市建嘉实业有限公司 Trampoline with the convenient fastener of installation
CN109806541B (en) * 2018-12-29 2024-04-05 东莞市建嘉实业有限公司 Mounting structure of flexible rod of trampoline

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US4836530A (en) * 1988-05-16 1989-06-06 Stanley Jr Bedford F Trampoline-like aerobic exercise apparatus and method
US4880226A (en) * 1989-02-21 1989-11-14 Peter Krantz Skiing simulator
US6237169B1 (en) * 1999-10-18 2001-05-29 Lai Fen Ying Foldable trampoline
US6319174B1 (en) * 1999-11-02 2001-11-20 Keith Vivian Alexander Soft-edged recreational trampoline

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US4339123A (en) * 1981-06-10 1982-07-13 Rich Rolland W T-Joint structure for trampolines and the like
KR100355101B1 (en) * 2000-12-26 2002-10-11 윤희선 Safety trampoline
NZ513331A (en) * 2001-11-20 2005-01-28 Board & Batten Int Inc Edge fittings for soft-edged trampolines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836530A (en) * 1988-05-16 1989-06-06 Stanley Jr Bedford F Trampoline-like aerobic exercise apparatus and method
US4880226A (en) * 1989-02-21 1989-11-14 Peter Krantz Skiing simulator
US6237169B1 (en) * 1999-10-18 2001-05-29 Lai Fen Ying Foldable trampoline
US6319174B1 (en) * 1999-11-02 2001-11-20 Keith Vivian Alexander Soft-edged recreational trampoline

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7927254B2 (en) 2003-12-16 2011-04-19 Cao6, Llc Recreational structure using a sleeve-joint coupling
US20060128529A1 (en) * 2003-12-16 2006-06-15 Craig Adams Recreational structure using a sleeve-joint coupling
US8574132B2 (en) 2003-12-16 2013-11-05 Ca06, Llc Trampoline with sleeve joint coupling
US7494444B2 (en) 2003-12-16 2009-02-24 Ca06, Llc Recreational structure using a sleeve-joint coupling
US8137242B2 (en) 2003-12-16 2012-03-20 Ca06, Llc Recreational structure using a coupling member
US20060116243A1 (en) * 2004-11-08 2006-06-01 Dean Wyman System for improving the stability of a trampoline
US20060258509A1 (en) * 2005-05-12 2006-11-16 Craig Adams Spring arrangement for a recreational structure
US7396318B2 (en) 2005-05-12 2008-07-08 Ca06, Llc Spring arrangement for a recreational structure
US7628731B2 (en) 2005-05-12 2009-12-08 Ca06, Llc Spring arrangement for a recreational structure
US20070049463A1 (en) * 2005-08-26 2007-03-01 Arthur Chu Trampoline frame structure
US7678024B2 (en) * 2007-06-29 2010-03-16 Board & Batten International Inc. Trampoline
US20090005221A1 (en) * 2007-06-29 2009-01-01 Keith Vivian Alexander Trampoline
US20100317490A1 (en) * 2007-11-05 2010-12-16 Keith Vivian Alexander Trampoline
US8303469B2 (en) * 2007-11-05 2012-11-06 Board & Batten International Inc. Trampoline
EP3865185A4 (en) * 2019-12-19 2021-10-13 Wang, Yongqi Trampoline frame and trampoline

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WO2004062739A1 (en) 2004-07-29
WO2004062738A1 (en) 2004-07-29

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