Patent Publication Number: US-2003224866-A1

Title: Detachable net frame assembly

Description:
BACKGROUND OF THE INVENTION  
       [0001] The present invention relates to a detachable net frame assembly. More particularly, the present invention relates to a detachable net frame assembly which is suitable for a golf sport and a baseball sport.  
       [0002] A conventional net frame for a golf sport and a baseball sport cannot be detached. Therefore, it is not easy to move and transport the conventional net frame.  
       SUMMARY OF THE INVENTION  
       [0003] An object of the present invention is to provide a detachable net frame assembly which is easily detached. Therefore, it is easy to move and transport the detachable net frame assembly of the present invention.  
       [0004] Accordingly, a detachable net frame assembly comprises a ball stopping net, a plurality of support frames, a plurality of connection rods, a pair of connection seats, and a plurality of joints. The ball stopping net is connected to the support frames. A connection cable is disposed between the connection seats. The support frames are disposed between the connection seats. Each of the connection rods is connected to two of the support frames. Each of the support frames has a plurality of flexible tubes, a plurality of connection sleeves, and an elastic element inserted through the flexible tubes and the connection sleeves. Each of the connection seats receives a first pipe, a second pipe, and a third pipe. The first pipe receives the corresponding support frame. The second pipe receives the corresponding support frame. The third pipe receives the corresponding support frame. Each of the joints is disposed on an end of the corresponding connection rod to connect the corresponding support frame and the corresponding connection rod. 
     
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
     [0005]FIG. 1 is a perspective assembly view of a detachable net frame assembly of a first preferred embodiment in accordance with the present invention;  
     [0006]FIG. 1A is an enlarged view of circle A in FIG. 1;  
     [0007]FIG. 1B is an enlarged view of circle B in FIG. 1;  
     [0008]FIG. 1C is an enlarged view of circle C in FIG. 1;  
     [0009]FIG. 2 is a partially perspective exploded view of a detachable net frame assembly of a first preferred embodiment in accordance with the present invention;  
     [0010]FIG. 2A is an enlarged view of circle A in FIG. 2;  
     [0011]FIG. 2B is an enlarged view of circle B in FIG. 2;  
     [0012]FIG. 2C is an enlarged view of circle C in FIG. 2;  
     [0013]FIG. 2D is an enlarged view of circle D in FIG. 2;  
     [0014]FIG. 2E is a perspective exploded view of a hollow shaft, a first coiled ring, a second coiled ring, a first pipe, a second pipe, a third pipe, a hollow shaft, a fastening device and a connection seat of a first preferred embodiment in accordance with the present invention;  
     [0015]FIG. 3 is a partially perspective exploded view of a detachable net frame assembly of a second preferred embodiment in accordance with the present invention;  
     [0016]FIG. 3A is an enlarged view of circle A in FIG. 3;  
     [0017]FIG. 3B is an enlarged view of circle B in FIG. 3;  
     [0018]FIG. 4 is an elevational assembly view of a detachable net frame assembly of a first preferred embodiment in accordance with the present invention;  
     [0019]FIG. 4A is an enlarged view of circle A in FIG. 4;  
     [0020]FIG. 5 is a schematic view illustrating an assembly of a support frame of a first preferred embodiment in accordance with the present invention;  
     [0021]FIG. 5A is an enlarged view of circle A in FIG. 5;  
     [0022]FIG. 5B is an enlarged view of circle B in FIG. 5;  
     [0023]FIG. 6 is a sectional assembly view of a first pipe, a second pipe, a third pipe, a hollow shaft and a connection seat of a first preferred embodiment in accordance with the present invention;  
     [0024]FIG. 7 is a schematic view illustrating a first operation of a joint of a first preferred embodiment in accordance with the present invention;  
     [0025]FIG. 8 is a schematic view illustrating a second operation of a joint of a first preferred embodiment in accordance with the present invention;  
     [0026]FIG. 9 is a schematic view illustrating a third operation of a joint of a first preferred embodiment in accordance with the present invention;  
     [0027]FIG. 10 is a schematic view illustrating a fourth operation of a joint of a first preferred embodiment in accordance with the present invention;  
     [0028]FIG. 11 is an elevational view of a detachable net frame assembly of a first preferred embodiment in accordance with the present invention; and  
     [0029]FIG. 12 is a schematic view illustrating an application of a detachable net frame assembly of a first preferred embodiment in accordance with the present invention. 
    
    
     DETAILED DESCRIPTION OF THE INVENTION  
     [0030] Referring to FIGS.  1  to  2 E and  4  to  12 , a detachable net frame assembly  1  comprises a ball stopping net  40 , a plurality of support frames  10 , a plurality of connection rods  30 , a pair of connection seats  20 , and a plurality of joints  31 .  
     [0031] The ball stopping net  40  is connected to three of the support frames  10 .  
     [0032] A connection cable  50  is disposed between the connection seats  20 .  
     [0033] The support frames  10  are disposed between the connection seats  20 .  
     [0034] Each of the connection rods  30  is connected to two of the support frames  10 .  
     [0035] Each of the support frames  10  has a plurality of flexible tubes  11 , a plurality of connection sleeves  12 , and an elastic element  13  inserted through the flexible tubes  11  and the connection sleeves  12 .  
     [0036] Each of the connection seats  20  receives a first pipe  21 , a second pipe  22 , and a third pipe  23 .  
     [0037] Each of the connection seats  20  has a through hole  24 .  
     [0038] A hollow shaft  27  is inserted through the through hole  24  of the corresponding connection seat  20 .  
     [0039] The first pipe  21  receives the corresponding support frame  10 .  
     [0040] The second pipe  22  receives the corresponding support frame  10 .  
     [0041] The third pipe  23  receives the corresponding support frame  10 .  
     [0042] The hollow shaft  27  has a first through aperture  271  to receive a first coiled ring  25  and a second through aperture  271  to receive a second coiled ring  26 .  
     [0043] The first coiled ring  25  is connected to the connection cable  50 .  
     [0044] The second coiled ring  26  is connected to the ball stopping net  40 .  
     [0045] An annular ring  28  is disposed on the corresponding connection seat  20  to receive a fastening device  60 .  
     [0046] The fastening device  60  fastens the annular ring  28  on a ground.  
     [0047] Each of the joints  31  is disposed on an end of the corresponding connection rod  30  to connect the corresponding support frame  10  and the corresponding connection rod  30 .  
     [0048] Each of the joints  31  has at least a collar  32  to receive the corresponding connection rod  30  and a generally C-shaped holder  33  disposed on the collar  32 .  
     [0049] The generally C-shaped holder  33  has an opening  34  to receive the corresponding support frame  10 , at least a flap bar  36 , and a reinforced rib  35 .  
     [0050] The detachable net frame assembly  1  further comprises a ball collecting net  41  disposed on the ball stopping net  40  to collect balls  70 .  
     [0051] A plurality of hooking devices  42  hook the ball collecting net  41  and the connection cable  50  together.  
     [0052] Each of the flexible tubes  11  has an inner groove  14  to receive a knot  15  of the elastic element  13 .  
     [0053] The first pipe  21  and the connection seat  20  are fastened by a rivet P.  
     [0054] The second pipe  22  and the connection seat  20  are fastened by a rivet P.  
     [0055] The third pipe  23  and the connection seat  20  are fastened by a rivet P.  
     [0056] The first pipe  21  is detached from the corresponding support frame  10  easily.  
     [0057] The second pipe  22  is detached from the corresponding support frame  10  easily.  
     [0058] The third pipe  23  is detached from the corresponding support frame  10  easily.  
     [0059] The generally C-shaped holder  33  receives the corresponding support frame  10  easily.  
     [0060] The ball collecting net  41  is disposed on the ball stopping net  40  slantly in order to collect balls  70  easily.  
     [0061] The first coiled ring  25  is connected to the connection cable  50 , and the second coiled ring  26  is connected to the ball stopping net  40 .  
     [0062] The annular ring  28  is disposed on the corresponding connection seat  20  to receive the fastening device  60 , and the fastening device  60  fastens the annular ring  28  on the ground.  
     [0063] Referring to FIGS. 3, 3A and  3 B, another detachable net frame assembly  1 ′ comprises a ball stopping net  40 ′, a plurality of support frames  10 ′, a plurality of connection rods  30 ′, and a pair of connection seats  20 ′.  
     [0064] A periphery frame  43 ′ surrounds the ball stopping net  40 ′.  
     [0065] A ball collecting net  41 ′ is disposed on the ball stopping net  40 ′.  
     [0066] A connection cable  50 ′ is disposed between the connection seats  20 ′.  
     [0067] The support frames  10 ′ are disposed between the connection seats  20 ′.  
     [0068] Each of the connection rods  30 ′ is connected to two of the support frames  10 ′.  
     [0069] Each of the support frames  10 ′ has a plurality of flexible tubes  11 ′ and a plurality of connection sleeves  12 ′.  
     [0070] A plurality of hooking devices  42 ′ hook the ball collecting net  41 ′ and the connection cable  50 ′ together.  
     [0071] The invention is not limited to the above embodiment but various modification thereof may be made. Further, various changes in form and detail may be made without departing from the scope of the invention.