EP3156105B2 - Trampoline support structure - Google Patents

Trampoline support structure Download PDF

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Publication number
EP3156105B2
EP3156105B2 EP15189351.8A EP15189351A EP3156105B2 EP 3156105 B2 EP3156105 B2 EP 3156105B2 EP 15189351 A EP15189351 A EP 15189351A EP 3156105 B2 EP3156105 B2 EP 3156105B2
Authority
EP
European Patent Office
Prior art keywords
tube
section
installation portion
assembly
anchor
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.)
Active
Application number
EP15189351.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3156105A1 (en
EP3156105B1 (en
Inventor
Hua-Lu Hsiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crowntec (jiang Xi) Sports Technology Co Ltd
Original Assignee
Crowntec (jiang Xi) Sports Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Crowntec (jiang Xi) Sports Technology Co Ltd filed Critical Crowntec (jiang Xi) Sports Technology Co Ltd
Priority to EP15189351.8A priority Critical patent/EP3156105B2/en
Priority to DK15189351.8T priority patent/DK3156105T4/da
Publication of EP3156105A1 publication Critical patent/EP3156105A1/en
Publication of EP3156105B1 publication Critical patent/EP3156105B1/en
Application granted granted Critical
Publication of EP3156105B2 publication Critical patent/EP3156105B2/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/11—Trampolines
    • 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
    • A63B21/02—Exercising 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
    • A63B21/023—Wound springs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions
    • A63B2225/093—Height
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/022—Backstops, cages, enclosures or the like, e.g. for spectator protection, for arresting balls

Definitions

  • the present invention relates to a trampoline support structure and particularly to a trampoline support structure that employs a plurality of tubes coupled with one another to enhance structural strength.
  • a conventional trampoline generally includes a trampoline frame to support a jumping mesh.
  • the trampoline frame is constructed by assembling a plurality of support means.
  • China patent No. CN2806855 discloses an improved weldless connection apparatus that includes a transverse connection tube and a longitudinal connection tube that cross each other to form a T-shaped structure.
  • the transverse connection tube includes two opposing walls each includes an anchor hole formed thereon.
  • a plurality of the weldless connection apparatus are connected to a trampoline frame, then a plurality of springs are connected to a rebounding surface located in the trampoline frame.
  • the trampoline frame consists of a plurality of arched tubes.
  • the transverse connection tube is inserted by two arched tubes.
  • One of the arched tubes further passes through another arched tube.
  • the two arched tubes include respectively a hole corresponding to the anchor hole that are fastened together via a connector to anchor any two arched tubes of the trampoline frame without falling apart due to stretching of the rebounding surface and the springs.
  • a trampoline equipped with a encircled protection mesh.
  • the trampoline includes a frame, a jumping portion, a reinforced connection portion and a encircled protection mesh.
  • the frame includes an annular base rack, a plurality of support racks installed on the annular base rack and an encircled mesh support rack assembly installed on the support racks.
  • the encircled protection mesh is connected to an inner side of the encircled mesh support rack assembly.
  • CN202237001 discloses a trampoline frame tube connection structure which includes two frame tubes, a leg tube, a protection fence tube and a connection element.
  • the connection element includes a longitudinal tube, a transverse tube welded to the longitudinal tube, a reinforced tube located in the transverse tube and exposed outside thereof, and a fastening hole located on the transverse tube communicating with the reinforced tube.
  • the trampoline frame tube connection structure the two frame tubes inserted into two opposing sides of the transverse tube, the protection fence tube runs through the reinforced tube, and the fastening hole is screwed via a screw to fasten the frame tubes and the protection fences tube, thereby enhance the structural strength between the protection fence tube and the connection element from loosening caused by shaking and vibration of the trampoline.
  • CN 2 930 768 Y discloses a trampoline support structure. Further background prior art is disclosed e.g. in US 2010/240496 A1 ; US 2009/023558 A1 ; US 2006/189441 A1 or CN 201 212 506 Y .
  • the primary object of the present invention is to solve the problem of structural strength deficiency of the conventional techniques.
  • a trampoline support structure that includes a manifold, a first annular tube, a mesh encircled tube, a second annular tube and a support tube.
  • the manifold includes a longitudinal installation portion and a transverse installation portion that are formed integrally and an installation hole located on the transverse installation portion and extended in the direction of the longitudinal installation portion.
  • the first annular tube is assembled on the manifold and includes a first assembly section inserted into the transverse installation portion, a first connection section extended from the first assembly section for installation of a jumping assembly and an anchor hole located on the first assembly section and opposed the installation hole when the first assembly section is inserted into the transverse installation portion.
  • the mesh encircled tube is coupled on the manifold to support a encircled protection mesh.
  • the mesh encircled tube includes an anchor section inserted into the installation hole and the anchor hole and extended into the longitudinal installation portion and an extended section extended from the anchor section for assembly of the encircled protection mesh.
  • the second annular tube includes a second connection section for installation of the jumping assembly and a second assembly section extended from the second connection section and inserted into the first assembly section.
  • the support tube is coupled on the longitudinal installation portion and butts a plane which is the ground to form an interval as a buffer space between the jumping assembly and the plane.
  • the manifold includes a buffer gap located on the transverse installation portion and extended in the direction of the longitudinal installation portion, and the longitudinal installation portion has a preassembly state without compressing the buffer gap and an assembly state coupled with the support tube to compress the buffer gap.
  • the manifold is formed by folding a plate in half.
  • the manifold includes at least one protrudent portion located on the longitudinal installation portion at one side of the buffer gap and an indented portion located at another side of the buffer gap facing the protrudent portion.
  • the manifold includes at least one first anchor hole located on the longitudinal installation portion, and the mesh encircled tube includes at least one second anchor hole located on the anchor section corresponding to the first anchor hole.
  • the support tube includes at least one third anchor hole located coaxially with the first anchor hole and the second hole on a same axis after assembly to allow a fastener to run through in sequence thereof.
  • one of the first, second and third anchor holes is elliptic.
  • the manifold includes a first detent wall surrounding the installation hole to aid support of the extended section.
  • the first annular tube includes a second detent wall surrounding the anchor hole to aid support of the anchor section.
  • transverse installation portion, the first assembly section and the second assembly section are formed respectively at a tubular diameter such that the transverse installation portion is greater than the first assembly section which is greater than the second assembly section.
  • the manifold is a T-shaped tube.
  • the invention compared with the conventional techniques, can provide advantageous features as follows:
  • the present invention aims to provide a trampoline support structure that includes a manifold 1, a first annular tube 2, a mesh encircled tube 3, a second annular tube 4 and a support tube 5.
  • the manifold 1 includes a longitudinal installation portion 11 and a transverse installation portion 12 that are integrally formed and communicate with each other, and an installation hole 13 located on the transverse installation portion 12 and extended toward the longitudinal installation portion 11.
  • the manifold 1 is a T-shaped tube.
  • the first annular tube 2 includes a first assembly section 21, a first connection section 22 extended from the first assembly section 21 and an anchor hole 23 located on the first assembly section 21.
  • the mesh encircled tube 3 includes an anchor section 31 and an extended section 32 extended from the anchor section 31.
  • the second annular tube 4 includes a second connection section 42 and a second assembly section 41 extended from the second connection section 42.
  • FIG. 4 includes the anchor section 31 inserted into the installation hole 13, the anchor hole 23 and extended into the longitudinal installation portion 11 with the first assembly section 21 anchored in the transverse installation portion 12.
  • FIG. 5 includes the second assembly section inserted into the first assembly section 21.
  • the longitudinal installation portion 11 has a tubular diameter smaller than that of the support tube 5. More specifically, the longitudinal installation portion 11 is coupled on an outer side of the anchor section 31, and the support tube 5 is coupled on the longitudinal installation portion 11. Therefore a multi-layer structure is formed to enhance the structural strength among the first annular tube, 2, the mesh encircled tube 3, the second annular tube 4 and the support tube 5, thus finished the assembly of the invention.
  • the first connection section 22 can have an outer diameter greater than that of the first assembly section 21.
  • the first assembly section 21 is formed by extending the first connection section 22 in a gradually expanded manner or formed a step difference therewith.
  • the first connection section 22 butts the perimeter of one side of the transverse installation portion 12.
  • the extended section 32 also has an outer diameter greater than that of the anchor section 31 and is formed by extending the anchor section 31 in a gradually expanded manner or formed a step surface therewith.
  • the second connection section 42 can have an outer diameter greater than that of the second assembly section 41 and be formed by extending the second assembly section 41 in a gradually expanded manner or formed a step surface therewith. When the second assembly section 41 is inserted into the first assembly section 21 the second connection section 42 butts the perimeter of the first assembly section 21.
  • the anchor section 31 can be a tube with a coupling plane, and the installation hole 13 and the anchor hole 23 are respectively a square hole with a round angle so that after the anchor section 31 is inserted into the installation hole 13 and the anchor hole 23 it is not turnable.
  • the transverse installation portion 12 is formed at a tubular diameter greater than that of the first assembly section 21, and the first assembly section 21 is formed at a tubular diameter greater than that of the second assembly section 41, and the transverse installation portion 12, the first assembly section 21 and the second assembly section 41 are respectively a square hole with a round angle so that after the first assembly section 21 is inserted into the transverse installation portion 12 it is not turnable, and after the second assembly section 41 is inserted into the first assembly section 21 it also is not turnable.
  • the jumping assembly 7 includes a rebounding plane 71 and a plurality of elastic elements 72 (such as springs) installed on the circumference of the rebounding plane 71.
  • the elastic elements 72 are connected to the first annular tubes 2 and the second annular tubes 4 to stretch the rebounding plane 71 on the inner side of the first annular tubes 2 and the second annular tubes 4.
  • the support tube 5 butts a plane (not shown in the drawings) to allow the jumping assembly 7 and the plane to form a buffer space (also not shown in the drawings) between them.
  • two neighboring support tubes 5 have their bottom connected to a leg 9 to increase the force receiving area of the bottom of the trampoline.
  • the mesh encircled tubes 3 are extended upward from the rebounding plane 71, and the encircled protection mesh 8 is installed on an inner side of the mesh encircled tubes 3 around the upper zone of the rebounding plane 71.
  • the first annular tubes 2 and the second annular tubes 4 provide a support force to the jumping assembly 7 to allow the user to maintain continuous jumping and rebounding on the rebounding plane 71.
  • the encircled protection mesh 8 surrounding the user the user can be prevented from rebounding outside the trampoline frame 6.
  • the anchor section 41 inserted into the first assembly section 21 to anchor the first annular tube 2 on the second annular tube 4, and through the mesh encircled tube 3 inserted into the installation hole 13, the anchor hole 23 and the longitudinal installation portion 11 to anchor the second annular tube 4 on the manifold 1, and with the support tube 5 coupled on the longitudinal installation portion 11, the anchor section 31, the longitudinal installation portion 11 and the support tube 5 form a multi-layer tubular structure, thus can solve the problem of inadequate support strength occurred to the conventional structures.
  • the manifold 1 can enhance the total assembly strength of the support structure of the trampoline, thereby also can resolve the problem of bending, separation or fracturing caused by prolonged stretching of the springs that might otherwise take place on the trampoline structure constructed by welding to anchor the mesh encircled tube.
  • the second assembly section 41 is spaced from the anchor section 31 of the mesh encircled tube 3 at a distance 10, namely, the second annular tube 4 does not touch the mesh encircled tube 3 during assembly, thereby can prevent the second assembly section 41 from hitting the anchor section 31 while the user is jumping and rebounding on the rebounding plane 71.
  • the longitudinal installation portion 11 is located at a middle spot of the transverse installation portion 12. In another embodiment, as shown in FIG. 10 , the longitudinal installation portion 11 is located away from the middle spot of the transverse installation portion 12. In addition, one side of the transverse installation portion 12 to receive insertion of the first assembly section 21 can use less material to reduce fabrication cost of the manifold 1.
  • the manifold 1 includes a buffer gap 14 formed on the transverse installation portion 12 in the extended direction of the longitudinal installation portion 11.
  • the manifold 1 is formed by folding a plate in half to form the buffer gap 14 on the transverse installation portion 12.
  • the longitudinal installation portion 11 has a preassembly state without compressing the buffer gap 14 and an assembly state with the support tube 5 coupled to compressing the buffer gap 14.
  • the buffer gap 14 is compressed by an external force, but is relieved after assembly is finished, and is compacted in the support tube 5 to increase total strength of the support structure of the trampoline.
  • the manifold 1 further includes at least one protrudent portion 15 located on the longitudinal installation portion 11 at one side of the buffer gap 14 and an indented portion 16 located at another side of the buffer gap 14 facing the protrudent portion 15, and when the support tube 5 is coupled on the longitudinal installation portion 11 and compresses the buffer gap 14 the protrudent portion 15 and the indented portion 16 are wedged together to further enhance the structural strength of the invention.
  • the manifold 1 further includes a first detent wall 17 located annularly about the installation hole 13 to aid support of the extended section 32.
  • the first annular tube 2 also includes a second detent wall 24 located annularly about the anchor hole 23 to aid support of the anchor section 31.
  • the first detent wall 17 is jutting outward to aid support of the extended section 32, while the second detent wall 24 is jutting inward to aid support of the anchor section 31, thereby can increase the support area of the mesh encircled tube 3 to reduce swaying thereof caused by shaking and vibration of the trampoline.
  • the first detent wall 17 and the second detent wall 24 can enhance the structural strength among the transverse installation portion 12, the first assembly section 21 and the anchor section 31, and also provide firmer support for the support structure of the trampoline to enhance its steadiness when in use.
  • the manifold 1 includes at least one first anchor hole 18 located on the longitudinal installation portion 11, and the mesh encircled tube 3 includes at least one second anchor hole 33 on the anchor section 31 corresponding to the first anchor hole 18, and the support tube 5 includes at least one third anchor hole 51.
  • the support tube 5 is coupled on the longitudinal installation portion 11 the first anchor hole 18, the second anchor hole 33 and the third anchor hole 51 are located coaxially on a same axis to allow a fastener to run sequentially through the first anchor hole 18, the second anchor hole 33 and the third anchor hole 51.
  • one of the first anchor hole 18, the second anchor hole 33 and the third anchor hole 51 is elliptic so that the longitudinal installation portion 11, the mesh encircled tube 3 or the support tube 5 can be adjusted in position during implementation of the support structure of the trampoline to facilitate installation of the support structure.
  • the trampoline support structure of the invention includes a manifold, a first annular tube, a mesh encircled tube, a second annular tube and a support tube.
  • the manifold includes a longitudinal installation portion, a transverse installation portion and an installation hole located on the transverse installation portion.
  • the first annular tube includes a first assembly section inserted into the transverse installation portion and an anchor hole located on the first assembly section.
  • the mesh encircled tube includes an anchor section inserted into the installation hole, the anchor hole and the longitudinal installation portion.
  • the second annular tube includes a second assembly section inserted into the first assembly section.
  • the support tube is coupled on the longitudinal installation portion and coupled with the first annular tube through the second annular tube.
  • the mesh encircled tube is anchored on the transverse installation portion and the first annular tube.
  • the anchor section, the longitudinal installation and the support tube form a multi-layer tubular structure, hence can solve the problem of inadequate structural strength occurred to the conventional techniques.
  • a trampoline support structure including a manifold 1, a first annular tube 2, a mesh encircled tube 3, a second annular tube 4 and a support tube 5.
  • the manifold 1 includes a longitudinal installation portion 11, a transverse installation portion 12 and an installation hole 13 located on the transverse installation portion 12.
  • the first annular tube 2 includes a first assembly section 21 inserted into the transverse installation portion 12 and an anchor hole 23 located on the first assembly section 21.
  • the mesh encircled tube 3 includes an anchor section 31 inserted into the installation hole 13, the anchor hole 23 and the longitudinal installation portion 11.
  • the second annular tube 4 includes a second assembly section 41 inserted into the first assembly section 21.
  • the support tube 5 is coupled on the longitudinal installation portion 11.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Woven Fabrics (AREA)
  • Chemical Vapour Deposition (AREA)
  • Laminated Bodies (AREA)
EP15189351.8A 2015-10-12 2015-10-12 Trampoline support structure Active EP3156105B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15189351.8A EP3156105B2 (en) 2015-10-12 2015-10-12 Trampoline support structure
DK15189351.8T DK3156105T4 (da) 2015-10-12 2015-10-12 Trampolinbærestruktur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15189351.8A EP3156105B2 (en) 2015-10-12 2015-10-12 Trampoline support structure

Publications (3)

Publication Number Publication Date
EP3156105A1 EP3156105A1 (en) 2017-04-19
EP3156105B1 EP3156105B1 (en) 2017-11-01
EP3156105B2 true EP3156105B2 (en) 2021-09-01

Family

ID=54293107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15189351.8A Active EP3156105B2 (en) 2015-10-12 2015-10-12 Trampoline support structure

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EP (1) EP3156105B2 (da)
DK (1) DK3156105T4 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI128816B (en) * 2019-06-17 2020-12-31 Acon Finland Oy Ltd Trampoline frame structure and trampoline

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7220218B1 (en) † 2005-12-19 2007-05-22 Arthur Chu Modified trampoline holder structure
CN2930768Y (zh) † 2006-07-09 2007-08-08 青岛三硕钢塑制品有限公司 蹦床
US7494444B2 (en) † 2003-12-16 2009-02-24 Ca06, Llc Recreational structure using a sleeve-joint coupling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8137242B2 (en) * 2003-12-16 2012-03-20 Ca06, Llc Recreational structure using a coupling member
CN2806855Y (zh) 2005-11-17 2006-08-16 朱国一 一种改进的无焊接连接装置
US20090023558A1 (en) * 2007-07-20 2009-01-22 Vanelverdinghe Jeffry L Concentric-arrangement frame structure for recreational structure
CN201212506Y (zh) * 2008-06-30 2009-03-25 俞振贤 T形连接件
CN201250829Y (zh) 2008-09-01 2009-06-03 刘运伟 跳床框管连接结构
US20100240496A1 (en) * 2009-03-18 2010-09-23 Samuel Chen Trampoline frame
CN202237001U (zh) 2011-07-01 2012-05-30 龙泰兴业有限公司 具防护围网的跳床结构

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7494444B2 (en) † 2003-12-16 2009-02-24 Ca06, Llc Recreational structure using a sleeve-joint coupling
US7220218B1 (en) † 2005-12-19 2007-05-22 Arthur Chu Modified trampoline holder structure
CN2930768Y (zh) † 2006-07-09 2007-08-08 青岛三硕钢塑制品有限公司 蹦床

Also Published As

Publication number Publication date
DK3156105T3 (da) 2018-01-29
EP3156105A1 (en) 2017-04-19
EP3156105B1 (en) 2017-11-01
DK3156105T4 (da) 2021-11-15

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