CN103195291B - For the multilevel tent framework for dome type of tent - Google Patents
For the multilevel tent framework for dome type of tent Download PDFInfo
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- CN103195291B CN103195291B CN201210414423.9A CN201210414423A CN103195291B CN 103195291 B CN103195291 B CN 103195291B CN 201210414423 A CN201210414423 A CN 201210414423A CN 103195291 B CN103195291 B CN 103195291B
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Abstract
The invention provides a kind of multilevel tent framework for dome type for tent.Relate to a kind of tent framework that one connects with tent cloth, it can be configured to two to three grades of Tent frames in order to the size expanding tent, and described Tent frame comprises: top hub component; Multiple sides hub component; Can be connected to the multiple vertical struts between described top hub component and described side hub component, each described vertical struts has folding connector in the midway of this vertical struts; Can be connected to the multiple horizontal struts between the hub component of described side, each described horizontal strut has folding connector in the midway of this horizontal strut; Can at the side hub component of foot and the multiple lower beams connected between ground, each described lower beams has folding connector in the midway of this lower beams.
Description
Technical field
The present invention relates to tent framework, more particularly, the multistage framework related to by applying two to three grades makes the tent framework that can amplify tent size, and in this tent framework, Tent frame and tent cloth are linked together integratedly.
Background technology
Generally speaking, the Tent frame for building tent three dimensions is made up of multiple interconnective pole.Usually, although have different classification according to the size of tent or shape, with regard to system of bars, tent can mainly be divided into two types.Be a common tent, in this kind of tent, first multiple pole be assembled into predetermined shape, then tent cloth connected with the Tent frame assembled.Another kind is the foldable tent with foldable tent framework, and this foldable tent framework connects with tent cloth in advance.This tent is built by launching framework, is dismantled by folded frame.
In this two type, in structure with dismounting, folding tent has advantage easily than common tent.For this reason, folding tent is popularized.Below list the known prior art of folding tent.
1. owner of a patent is applicant of the present invention, registration number is 20-0149956, the Korean Utility Model that name is called " the large scale Tent frame (A Large-Size Tent Frame in which the Cloth and the FrameAre Integrally Coupled) that cloth connects with framework one ", its application of the same clan is U.S. Patent number is 5, 884, 646, day is authorized to be on March 23rd, 1999, name is called " the foldable tent framework (Foldable Tent Frame for Coupling Tent Cloth with Tent Frame in IntegralForm) for being connected with Tent frame by tent cloth with unitary form ", disclose the hub device at tent apical position, wherein, the upper end of multiple tent pole support is connected with hub device radial direction, wherein, each pole is connected with another pole by foldable connecting part, described foldable connecting part is made up of straight shape articulated element and Curved articulated element, wherein, pole, the end of earth surface is provided with the supporting device that contacts to earth, and, wherein when pitching a tent, upper rack posts and lower fulcrum bar play rafter and column respectively.The favourable part of such Tent frame is: fold or launch the simple operations of tent pole support by the connector be made up of straight shape articulated element and Curved articulated element and build or dismantle tent.
2. registration number is 20-0276094, name is called that the Korean Utility Model of " the collapsible framework (Foldable Structure ofa Portable Tent) of Portable tent " discloses the hub device in the apical position of tent, this hub device wherein heart portion has the pedestal being provided with multiple hole, wherein: multiple retention groove is formed on described pedestal in pedestal periphery at certain intervals; Projecting a pair stop part on the side of described pedestal, to limit the movable distance of the rotatable bar inserting described retention groove; And be provided with lid part, this lid part is connected to the top of pedestal and is kept, to prevent departing from of described swingle by maintenance bolt.The favourable part of such tent is: because tent cloth connects integratedly with tent pole support, so can build rapidly and dismantle tent.
3. registration number is 10-0643157, name is called " one touch namely with Tent frame and utilize one of this Tent frame tactile namely to use tent (One-touch Tent Frame and One-touch Tent Using Thereof) " Korean Patent disclose the multiple lid connecting holes formed in upper plane, between described lid connecting hole, be formed with U-shaped patchhole and be arranged on the coupling member on helical spring plate plane, be fixed on the symmetric helix body on helical spring plate plane, connect described spirochetal horizontal curvature part, there is the helical spring of the vertical curve part inserted in the hole inserting described helical spring plate plane, rotatably connected and the upper connecting rod kept by horizontal curvature part by described helical spring described horizontal curvature part, and the covering that the upper end being connected to coupling member is departed to prevent described helical spring.Such tent by being inserted by framework to make double pointed nail engage with engaging groove in each channel opening, and easily assembles Tent frame.
4. owner of a patent is applicant of the present invention, publication No. is 1990-0002935, name is called the Korean Utility Model of " coupling apparatus (Binding Device ofa Tent Framework) of Tent frame ", its application of the same clan is U.S. Patent number is 4, 750, day is authorized to be on June 14th, 1988, name is called " folding device (Folding Device of a Tent-Framework) of Tent frame ", disclose hub plate, this hub plate is provided with multiple conjugate foramen, these conjugate foramens become radial separation to open in the periphery of described hub plate, wherein, each conjugate foramen has link slot, these link slots are formed on each inside wall of two inside walls of the conjugate foramen being provided with bracket, wherein, a pair connecting pin is formed in the end of described tent pole support, for engaging with described link slot.By above-mentioned pole is inserted conjugate foramen, then insert in described link slot, this Tent frame can be assembled easily.
Summary of the invention
Above-mentioned often kind of conventional foldable Tent frame is all made up of multiple tent pole supports with the foldable connecting part be connected with each bar.Because tent cloth integrally connects with Tent frame, so only need a small amount of people just can build rapidly and simply or dismantle tent.Such as, but because above-mentioned pole is made up of synthetic resin, glass fiber, therefore, the size being difficult to increase tent makes it be greater than a certain size.
In other words, as long as be applied to small size tent, conventional foldable Tent frame does not just have problems.But, want by connecting extra pole or increasing the size of tent by extending the length of pole, because increasing the size of tent, the volume of tent that increases and weight can make to use the little common conventional pole of diameter comparatively speaking to carry out the weight of support tent cloth.
Therefore, in order to increase the size of foldable tent, the pole of tent must be made to have the diameter with the proportional increase of the size of tent, thus make it more solid.But the pole that diameter increases causes the cumulative volume of tent and weight too heavy and cannot carry and build tent.Therefore, the tent that the ratio stock size with conventional foldable Tent frame structure is larger can not be produced.
Meanwhile, solid and there is the substitute of certain flexible Metallic rod as above-mentioned synthetic resin pull bar, the bar be such as made up of duralumin.But with regard to elasticity and restoring force, Metallic rod is inferior to synthesis bar.In addition, cost of production becomes synthesis three times of bar, and with by inject compared with the synthetic resin bar made, be difficult to process and assemble tent.
The object of this invention is to provide the multistage assembling device of Tent frame, this device has two to three grades of frameworks, uses multiple hub component and folding vertical struts and the horizontal strut with certain length, thus can build large-sized tent.By adopting this multistage frame construction, the size of tent increases to large-sized tent, allows the synthetic resin bar of the common minor diameter being applicable to little foldable tent is applied to large-sized tent thus provides the Tent frame of the tent cloth that can bear expansion.
For achieving the above object, shown in embodiment as will be described below, the invention provides the multistage framework for tent, this multistage framework comprises: the hub component being combined in the top of Tent frame; Be positioned at the multiple sides hub component on the side of Tent frame; Multiple vertical struts, described vertical struts connects top hub component and described side hub component, has folding connector in the midway of each described vertical struts; Connect multiple horizontal struts of described side hub component, in the midway of each described horizontal strut, there is folding connector; And the lower beams that multiple and described side hub component connects, in the midway of each described lower beams, there is folding connector.
Described top hub component and described side hub component have five separately with the U-shaped patchhole of regular spaces radial arrangement, and such five poles can join to and insert in the hole.Each top hub component and described side hub component also have hinged groove in two inside walls of patchhole, the jointed shaft of strut ends inserts in this hinged groove after the U-shaped patchhole of insertion, described hinged groove is provided with outstanding pawl in the entrance of described hinged groove, is arranged in the jointed shaft of strut ends like this once insert described hinged groove and would not come off easily.
The folding connector arranged in the midway of each described vertical struts, described horizontal strut and described lower beams comprises: be fixed on the articulated element on the coupling part of each half bar; The swivel pin of these two articulated elements of pivot joint; The locking piece that an articulated element in these two articulated elements is formed; And the slide block slot formed on another articulated element, described slide block slot stops the pivotal action of articulated element, or removes the prevention to pivotal action.
Invention effect
Multilevel tent framework for dome type for tent of the present invention uses multiple hub component, vertical struts, horizontal strut and lower beams, thus makes to assemble the multistage tent of two-stage to three grade.By the multilevel hierarchy of this Tent frame, the weight of tent cloth can be born along the interconnective vertical struts of different directions, horizontal strut and lower beams by its elastic force, thus make it possible to use thickness and diameter to be applicable to these poles of small size tent.
In other words, in general large scale tent, the size that the pole of tent must increase with tent is proportional obtained larger, but the present invention, by application multilevel tent framework for dome type structure, makes to increase the size of bar and builds large scale tent.
In addition, a small amount of people just can build and dismantle large scale tent easily.Meanwhile, common smaller diameter rods is used advantageously to contribute to reducing cost of production.
Accompanying drawing explanation
Fig. 1 is the stereogram of tent of the present invention, and this tent is equipped with the two-stage Tent frame be combined with tent cloth.
Fig. 2 is the stereogram of an embodiment of the invention, preferably, is equipped with three grades of Tent frames.
Fig. 3 is the stereogram of hub component in the present invention and vertical struts and horizontal strut.
Fig. 4 is the stereogram of the lower beams in the present invention.
Fig. 5 a is the plan view of a part for the sectional view that foldable connecting part is shown, and described foldable connecting part is arranged on the midway of each pole, and wherein said pole is in deployed condition.
Fig. 5 b is the figure of the pole being in folded state.
Fig. 6 is the top view of the tent of two-stage assembling.
Fig. 7 is the top view of the tent of three grades of assemblings.
The drawing reference numeral explanation of critical piece
10: top hub component; 11:U type patchhole; 12: hinged groove;
13: outstanding pawl; 20: side hub component; 30: vertical struts;
31: jointed shaft; 40: horizontal strut; 50: lower beams;
60: tent cloth; 70: connector (or folding connector);
71: articulated element; 72: articulated element; 73: locking piece;
74: swivel pin; 75: slide block slot; 76: spring.
Detailed description of the invention
The embodiment of embodiments of the present invention is described in detail by the following drawings.
Fig. 1 is the stereogram of tent of the present invention, and this tent is equipped with the two-stage Tent frame connected with tent cloth.Fig. 2 is the stereogram of an embodiment of the invention, in this embodiment, is equipped with three grades of Tent frames.Fig. 3 is the stereogram of hub component in the present invention and vertical struts and horizontal strut.Fig. 4 is the stereogram of the lower beams in the present invention.Fig. 5 a is the plan view of a part for the sectional view that foldable connecting part is shown, and this foldable connecting part is arranged on the midway of each pole, and wherein said pole is in deployed condition.Fig. 5 b is the plan view of a part for the sectional view that foldable connecting part is shown, and this foldable connecting part is arranged on the midway of each pole, and wherein said pole is in folded state.
As shown in drawings, tent of the present invention comprises: the top hub component 10 being arranged on Tent frame top; Be arranged on the multiple sides hub component 20 on the side of Tent frame; Multiple vertical struts 30, described vertical struts is connected between top hub component 10 with side hub component 20; Multiple horizontal struts 40 of connection side hub component 20; And multiple lower beams 50, these lower beams are connected with contacting to earth between part of tent cloth 60 at side hub component 20.
Top hub component 10 and side hub component 20 are in identical shape and structure, as shown in Figure 3, hub component has the overhead pedestal of disc-shaped in the middle, and this pedestal has multiple U-shaped bar patchhole 11, and these U-shaped patchholes are arranged on around described pedestal with aturegularaintervals radially; Hinged groove 12 is arranged on two inside walls of U-shaped patchhole 11, inserts hinged groove 12 for making the jointed shaft 31 being arranged on strut ends and engages with hinged groove 12; And outstanding pawl 13 is arranged on the entrance of each hinged groove 12, so that once be set in hinged groove 12 by jointed shaft 31, outstanding pawl 13 can prevent jointed shaft 31 from coming off from described hinged groove easily.
Jointed shaft 31 is arranged on vertical struts 30 and the both ends of horizontal strut 40, inserts for passing U-shaped patchhole 11 and is engaged in hinged groove 12.In addition, jointed shaft 31 is arranged on the upper end of lower beams 50.
Therefore, if by vertical struts 30, horizontal strut 40 and lower beams 50 insert hub component 10, in the U-shaped patchhole 11 of 20, and be pulled upwardly to make jointed shaft 31 be engaged in hinged groove 12, pole 30, 40, 50 just integratedly with hub component 10, 20 connect, wherein, owing to being arranged on the outstanding pawl 13 of the entrance of hinged groove 12, these poles can not come off from hub component, wherein, pole 30, 40, 50 are in rotatable state by jointed shaft 31, rotatable 90 degree until stop it to further rotate by being adjacent to be arranged on the internal edge being used as chin of groove in the outer rim of each hub component and U-shaped patchhole 11 with U-shaped patchhole, the top of pole is attached to the below of described chin and is firmly held whereby.
In other words, in the process that vertical struts 30, horizontal strut 40 and lower beams 50 are connected with hub component 10,20, each pole 30,40,50 is inserted through the U-shaped patchhole 11 of hub component 10,20, be arranged on the long diameter of jointed shaft 31 towards U-shaped patchhole 11 of the end of pole 30,40,50, then by making described pole rotate 90 degree and by mandatory for described pole pull-up, jointed shaft 31 through be arranged on hinged groove 12 entrance outstanding pawl 13 and be inserted in hinged groove 12.It is D type that jointed shaft 31 is configured to its cross section.Therefore, if through be arranged on hinged groove 12 entrance narrow outstanding pawl and by the narrow of D type, jointed shaft 31 is forcibly inserted in hinged groove 12, so jointed shaft 31 will rotatably be set in described hinged groove, and can not come off from hinged groove 12 easily.
In the present invention, in order to make a rod folding, as shown in Figure 5 a, folding connector 70 is set in the midway of each vertical struts 30, horizontal strut 40 and lower beams 50.
More particularly, in midway, the described folding connector be arranged on described pole comprises: articulated element 71,72, and this articulated element is fixed on each coupling part of half and half bar; Swivel pin 74, this swivel pin pivot joint two articulated elements 71,72; The locking piece 73 that an articulated element 71 is formed; And slide block slot 75, this slide block slot 75 is formed on another articulated element 72 with utilizing spring, described pole thus can be made to straighten or fold.
Therefore, as shown in Figure 5 a, if make slide block slot 75 move towards locking piece 73, that is: move along locking direction, then make locking piece 73 enter the inside of slide block slot 75, thus stop the pivotal action of articulated element 72, cause described pole to straighten.Do not operate further, will keep straightening state.But as shown in Figure 5 b, if slide block slot 75 is mobile along the direction (that is: unlocking direction) contrary with locking piece 73, then locking piece 73 removes the stop to slide block slot 75, thus make a described rod folding.
Now, spring 76 promotes slide block slot 75 towards locking piece 73 constantly, thus locking piece 73 can insert in slide block slot 75, and the pole of expansion can be made whereby to maintain stretching position.When moving slider groove 75 is with folding half bar, half bar is via swivel pin 74 pivotable of connection two articulated elements 71,72.
Vertical struts 30 and horizontal strut 40 all have jointed shaft 31 at two ends; Whereby, vertical struts 30 1 aspect connects with top hub component 10, and connects with side hub component 20 on the other hand; And horizontal strut 40 connects with adjacent side hub component 20 on both sides.Lower beams 50 has jointed shaft 31 separately in an end of this pole, for connecting with side hub component 20, and in another end of this pole, there is claw, for connecting with the lower edge of tent cloth, therefore, lower beams 50 is assembled between side hub component 20 and ground.
Further illustrate the process of assembling tent framework of the present invention as follows.
First, multiple vertical struts 30 is all inserted through the U-shaped patchhole 11 of top hub component 10, be arranged on the long diameter of jointed shaft 31 towards U-shaped patchhole 11 of the end of pole 30,40,50, then make described pole rotate 90 degree and by mandatory for described pole pull-up, jointed shaft 31 is inserted in hinged groove 12 through hanging pawl 13 whereby; Then, the jointed shaft 31 being positioned at the other end place of vertical struts 30 is connected with side hub component 20 in the same way.In other words, when pole 30,40,50 is inserted in U-shaped patchhole 11, make the most inboard towards U-shaped patchhole 11 of one end of jointed shaft 31, the other end of jointed shaft 31 is towards the middle part of the outer end of the opening of U-shaped patchhole 11, this is because due to the total length of jointed shaft 31, pole 30,40,50 only can be inserted in this way.Once the pole 30,40,50 with jointed shaft 31 is inserted through U-shaped patchhole 11, just should by pole 30,40,50 90-degree rotation, such jointed shaft 31 just can pull-up pole 30,40,50 with make jointed shaft 31 insert in hinged groove 12 before align with hinged groove 12.
Then, mode as described above, by making the jointed shaft 31 of horizontal strut 40 engage with the hinged groove 12 of side hub component 20, makes horizontal strut 40 connect with side hub component, is flatly connected to by each horizontal strut 40 between two adjacent side hub components 20 whereby.Then, by making the jointed shaft 31 of the upper end being positioned at lower beams 50 engage with the hinged groove 12 of corresponding side hub component, lower beams 50 is connected with side hub component 20.By making lower beams 50 connect like this with side hub component 20, complete the two-stage Tent frame configuration for tent.
If the belfry of described tent is become three grades, side hub component 20 in then making two-stage construct connects with the Additional vertical pole 30 replacing lower beams 50, then make the side hub component 20 added connect with the lower end of described additional vertical struts 30, then make horizontal strut 40 connect with described additional side hub component 20.By being connected with lowermost side hub component 20 by lower beams 50, complete three grades of Tent frame configurations for tent.
After with two-stage or three grades of assembling Tent frames, tent cloth 60 is connected with each pole 30,40,50.Then, by making the claw of the lower end being positioned at lower beams 50 connect with the root edge portion of described tent cloth, the assembling of tent is completed.
The tent of formation like this makes each pole 30,40,50 connect with hub component 10,20 under collapsible state.Further, because each pole 30,40,50 integrally connects with tent cloth 60, when user launches the connector 70 folded up of pole 30,40,50, tent will be built as umbrella.
Due to above-mentioned Tent frame, a small amount of people just can easily build described tent.Also described tent is easily dismantled by folding pole 30,40,50 at connector 70 place.
Fig. 6 is the top view of the tent of two-stage assembling, and Fig. 7 is the top view of the tent of three grades of assemblings.
Hub component 10,20 in the present embodiment has five U-shaped patchholes 11 arranged with aturegularaintervals, and such pole 30,40,50 can connect with U-shaped patchhole 11 with radial fashion.
If assemble described Tent frame with two-stage as shown in Figure 6, the quantity of so required hub component and pole is as follows.
A top hub component 10; Five side hub components 20; Five vertical struts 30; Five horizontal struts 40; Ten lower beams 50.In this two-stage Tent frame, between top hub component 10 with side hub component 20, connect described vertical struts; Horizontal strut 40 connects with side hub component 20; And lower beams 50 connects with side hub component 20.
In the present embodiment, the length of vertical struts 30 and the length of lower beams 50 are 180 centimetres, and the length of horizontal strut 40 is 220 centimetres.Due to the length of these bars, when building the tent with two-stage Tent frame, the height of described tent is about 3 meters, and the diameter of the interior floor of described tent is close to 6 meters, and this tent is sizable tent.With regard to the thickness of pole 30,40,50, use the smaller diameter rods being generally used for Miniature tent.But described Tent frame is very solid, be enough to the weight of bearing described tent cloth.
If as shown in Figure 7 with three grades of described Tent frames of assembling, the quantity of so required hub component and pole is as follows.
A top hub component 10; 15 side hub components 20; 15 vertical struts 30; 15 horizontal struts 40; 20 lower beams 50.In these three grades of Tent frames, between top hub component 10 with side hub component 20, connect described vertical struts; Horizontal strut 40 connects with side hub component 20; Further, the process that repeated vertical pole 30 connects with horizontal strut 40, lower beams 50 connects with side hub component 20.
In the present embodiment, the length of vertical struts 30 and the length of lower beams 50 are 180 centimetres, and the length of horizontal strut 40 is 220 centimetres.Due to the length of these bars, when building the tent with three grades of Tent frames, the height of described tent is about 5.5 meters, and the diameter of the interior floor of described tent is close to 11 meters, and this tent is especially big tent.With regard to the thickness of pole 30,40,50, use the smaller diameter rods being generally used for Miniature tent.But described Tent frame is very solid, be enough to the weight of bearing described tent cloth.
In the above-described embodiment, hub component 10,20 has five patchholes 11 for connecting with it for pole 30,40,50.But hub component 10,20 can have six or eight for assembling the patchhole 11 of Tent frame.
But, test display: pole is connected with the hub component with five patchholes Tent frame structure can be made the most solid, the outward appearance of the tent built is the most beautiful.
Do not recommend more than three grades of assembling Tent frames, because level Four or Pyatyi framework make to be difficult to assemble tent, and the additional weight of the tent exceptionally expanded becomes unrealistic must weigh.
In above-mentioned preferred embodiment, describe the present invention in detail.But those skilled in the art still can make numerous variations example and modified example in the technical scope of claim of the present invention.Therefore, this shows that these modifications and modified example should be considered as in the scope of the claims in the present invention.
Claims (1)
1., with the tent framework that multistage assembling process assembles, this Tent frame comprises:
A) be positioned at top hub component (10) at the central uppermost position in fig-ure place of this Tent frame, this top hub component (10) has five with the patchhole of regular spaces radial arrangement (11);
B) five vertical struts (30), the respective upper end of these vertical struts (30) to be inserted collapsibly in patchhole described in each (11) and is connected with it, and the midway of each described vertical struts (30) between the two ends of this vertical struts (30) has folding connector (70);
It is characterized in that:
C) multiple side hub component (20), described multiple side hub component (20) and described top hub component (10) are of similar shape and structure, and side hub component (20) described in each has five with the patchhole of regular spaces radial arrangement (11) to connect collapsibly with the lower end of vertical struts described in each (30);
D) the multiple horizontal struts (40) connected between described multiple side hub component (20), the midway of each described horizontal strut between the two ends of this horizontal strut (40) has folding connector (70);
E) the multiple lower beams (50) that connect vertical with each described side hub component (20), each midway of described lower beams (50) between the two ends of this lower beams (50) has folding connector (70).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20120001455 | 2012-01-05 | ||
| KR10-2012-0001455 | 2012-01-05 | ||
| KR10-2012-0082504 | 2012-07-27 | ||
| KR20120082504A KR101479966B1 (en) | 2012-01-05 | 2012-07-27 | Multi-step tent frame of a dome-shaped tent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195291A CN103195291A (en) | 2013-07-10 |
| CN103195291B true CN103195291B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210414423.9A Active CN103195291B (en) | 2012-01-05 | 2012-10-25 | For the multilevel tent framework for dome type of tent |
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| CN (1) | CN103195291B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12017736B2 (en) * | 2018-07-09 | 2024-06-25 | Gustavo Giacomel Kutianski | Awning for protecting a cargo in bad weather |
| FR3087466B1 (en) * | 2018-10-17 | 2020-11-13 | Decathlon Sa | FOLDABLE TENT INCLUDING TWO UMBRELLA STRUCTURES |
| CN111549908A (en) * | 2020-04-29 | 2020-08-18 | 广州被动屋科技有限公司 | Military protection house and framework structure thereof |
| CN111550113A (en) * | 2020-04-29 | 2020-08-18 | 广州被动屋科技有限公司 | Military protection house |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4750509A (en) * | 1985-11-25 | 1988-06-14 | Kim Soon Tae | Folding device of a tent-framework |
| US4998552A (en) * | 1989-09-12 | 1991-03-12 | T. A. Pelsue Company | Geodetic tent structure |
| GB2412925B (en) * | 2004-04-06 | 2006-03-29 | Lien-Chuan Yang | Tent support framework |
| CN201169956Y (en) * | 2008-01-22 | 2008-12-24 | 李成熙 | Automatic folding tent rack |
| CA2743173C (en) * | 2008-12-01 | 2015-11-03 | Jung Woo Seo | Canopy tent |
-
2012
- 2012-10-25 CN CN201210414423.9A patent/CN103195291B/en active Active
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