# US 11,027,164 B2 · Easy-to-assemble trampoline > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,027,164 B2 - Document ID: US11027164B2 - Status: Granted - Kind: B2 - Application number: 16/511,781 - Filed: 2019-07-15 - Published: 2020-07-02 - Granted: 2021-06-08 - Earliest claimed: 2018-12-29 - Applicants: Yongqi Wang - Inventors: Yongqi Wang - Web page: https://patentgrep.com/patent/US11027164B2 ## CPC - A63B 5/11: Trampolines - A63B 71/022: {Backstops, cages, enclosures or the like, e.g. for spectator protection, for arresting balls} - A63B 71/0054: {Features for injury prevention on an apparatus, e.g. shock absorbers (mats or the like for absorbing shocks for jumping A63B6/00)} - A63B 21/026: {Bars; Tubes; Leaf springs (A63B21/023 takes precedence)} - A63B 71/023: {Supports, e.g. poles} - A63B 2209/00: Characteristics of used materials - A63B 2209/02: with reinforcing fibres, e.g. carbon, polyamide fibres - A63B 2210/50: Size reducing arrangements for stowing or transport - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract The present invention discloses an easy-to-assemble trampoline, which includes a flexible mat, a frame, and a plurality of flexible rods, its top of the flexible rods are arranged at its periphery or its bottom of the flexible mat, and its bottom end of flexible rods are retained on the frame. The top end of the flexible rods are fixedly mounted at the periphery or bottom of the flexible mat by a buckle structure; the buckle structure includes a mounting member, a flexible belt and at least one clamping member; one end of the belt is fixed on the flexible mat, the clamping member is fixed on the belt, and the mounting member is provided with a through hole; the belt can pass through the through hole, and the clamping member holds the belt at its outlet of the through hole. ## Claims ### Claim 1 An easy-to-assemble trampoline, comprising: a flexible mat; a frame; and a plurality of resiliently flexible rods with top end and bottom end, said top of said flexible rod is arranged at a periphery or at a bottom of said flexible mat, and said bottom end of said flexible rods are retained on said frame, thereby said flexible mat is installed above said frame; wherein said top end of said flexible rods are fixedly installed at said periphery or said bottom of said flexible mat by a buckle structure; said buckle structure includes a mounting member, a flexible belt and at least one clamping member; one end of said belt is fixed on said flexible mat, said clamping member is fixed on said belt, and said mounting member is provided with a through hole; said belt can pass through said through hole, and said clamping member holds said belt at an outlet of said through hole so that said belt can not be pulled back from said through hole; said top end of said flexible rod is fixedly contained in said mounting member; wherein said bottom end of said flexible rod is fixed and retained in said frame through an installation structure; said installation structure includes a pair of an upper inserting hole on an upper side of said frame and a lower inserting hole on a lower side of said frame, each pair of said upper inserting hole and said lower inserting hole are staggered setting; said flexible rod is inserted into a pair of said upper inserting hole and said lower inserting hole; wherein said installation structure also has a first sleeve corresponding to each pair of said upper inserting hole and said lower inserting hole, said first sleeve is inserted into a pair of said upper inserting hole and said lower inserting hole, and said bottom end of said flexible rod is inserted into said sleeve. ### Claim 2 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said bottom of said mounting member is provided with a receiving groove, and said top end of said flexible rod is fixed in said receiving groove. ### Claim 3 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said mounting member has a pipe part and an expanded head arranged at a top of said pipe part; said top end of said flexible rod is inserted into said pipe part; and said head is provided with said through hole. ### Claim 4 (depends on 2) The easy-to-assemble trampoline according to claim 2, wherein said clamping member has a short edge and a long edge, a length of said short edge is less than a width of said through hole, and a length of said long edge is larger than said width of said through hole, so that said clamping member can pass through said through hole and be stuck at said through hole along its long edge. ### Claim 5 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said flexible rod is a straight bar with bending stiffness of 3000 N/m˜10000 N/m, said top end of said flexible rod is deflected 10-290 mm from said natural straightening state to said center of said flexible mat, so that said flexible rod is bent and installed at said periphery or at said bottom of said flexible mat to support and tension said flexible mat. ### Claim 6 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein a diameter of said flexible rod is 0.5-3 cm, and a length of said flexible rod is 0.3-1.5 m. ### Claim 7 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said flexible rod is made from alloy aluminum. ### Claim 8 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein a hole diameter of said lower inserting hole is larger than that of a bottom end of said first sleeve and less than that of a main body of said first sleeve, thereby preventing said first sleeve from falling off said lower inserting hole. ### Claim 9 (depends on 1) The said easy-to-assemble trampoline according to claim 1, wherein installation structure also has an elastic part, said elastic part is inserted between said upper inserting hole and said flexible rod, thereby adjusting position of said flexible rod in said frame. ### Claim 10 (depends on 9) The easy-to-assemble trampoline according to claim 9, wherein said upper inserting hole is arranged as an elliptical hole, and two ends of said elliptical hole, named as A end and B end, respectively, are located on inside and outside of said upper side of said frame; said elastic part is inserted into said A end or said B end, thereby adjusting position of said flexible rod. ### Claim 11 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said frame is a circle connected at beginnings and tails of several arc-shaped steel pipes, a joint of said adjacent arc-shaped steel pipes is respectively provided with a first socket tube and a first insert joint which are matched; said socket tube is inserted into said first insert joint and is fixedly connected therein through a nail pin. ### Claim 12 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said trampoline also includes a plurality of supporting structures, which are supported below said frame; each of supporting structures is provided with a horizontal rod, a first vertical rod and a second vertical rod which are arranged at two ends of said horizontal rod, and a third vertical rod arranged in said middle of said horizontal rod; said first vertical rod and said second vertical rod are respectively inclined toward a central direction of said flexible mat, and a top of said first vertical rod and a top of said second vertical rod are reversely bent, said frame is provided with two matching cylinders matched with said top of said first vertical rod and said top of said second vertical rod. ### Claim 13 (depends on 12) The easy-to-assemble trampoline according to claim 12, wherein said frame is provided with a second socket, and a top of said third vertical rod is inserted into said second socket; said trampoline also includes several supporting rods evenly distributed around said flexible mat; each of said first vertical rods is welded with a second sleeve, and a bottom end of each of said supporting rods is inserted into said second sleeve; an outlet of said second sleeve is flat, and said bottom end of said support rod is matched with said second sleeve; a bottom of said second sleeve is arranged as a cylinder, and a diameter of said cylinder is slightly smaller than a diameter of said outlet. ### Claim 14 (depends on 13) The easy-to-assemble trampoline according to claim 13, wherein said supporting rod is a large arc-shaped rod joined by two small arc-shaped steel pipe; a joint of said two small arc steel pipe is also provided with a matching plug-in cylinder and a plug-in connector respectively, and said plug-in connector is inserted into said plug-in cylinder. ### Claim 15 (depends on 1) The easy-to-assemble trampoline according to claim 1, wherein said trampoline also includes a protective net, a bottom of said protective net is arranged around said flexible mat and extends upward, a top of said protective net is supported by a plurality of supporting rods disposed around said flexible mat, forming a closed or unclosed space for bouncing; a bottom of said protective net is connected by zippers to a periphery or a bottom of said flexible mat. ### Claim 16 (depends on 15) The easy-to-assemble trampoline according to claim 15, wherein a top of said supporting rods are provided with holes, an upper end of said protective net is provided with a plurality of upper hooks, and said hook is inserted into said hole; said buckle structure is provided with a lower hook; and said lower hook hooks said lower end of said protective net. ### Claim 17 (depends on 16) The easy-to-assemble trampoline according to claim 16, wherein mounting member has a thin pipe part and an enlarged head part arranged at said top end of said thin pipe part, said lower hook is arranged on said thin pipe part, and said lower hook is arranged at said center of said flexible mat. ### Claim 18 (depends on 15) The easy-to-assemble trampoline according to claim 15, wherein said top of said protective net is also provided with a basketball frame; said basketball frame is fixed on one of said supporting rods; said protective net is provided with a zipper door; and said frame is also provided with a ladder.