Joint structure for portable work and storage container

Abstract

A joint structure for portable work and storage container includes a plurality of joint members and a plurality of reinforcing shafts. Each joint member includes an upper joint extended from a top retention frame, a lower joint extended from a bottom retention frame, and a shaft holder alignedly mounting between the upper and lower joints to form a reinforcement channel. The reinforcing shafts are disposed within the reinforcement channels and coupling between the upper and lower joints through the shaft holders respectively, wherein each of the reinforcing shafts has an upper portion received in a respective upper socket of the upper joint, a lower portion received in a respective lower socket of the lower joint, and a mid-portion received within the respective shaft holder such that the joint structure reinforces the a strength between the top and bottom retention frames to rigidly support the wall frame.

1 . A portable work and storage container, comprising:
 a wall frame which comprises a top wall, a bottom wall, and a surrounding wall defining a storage compartment therewithin; and   a supporting frame which comprises a top retention frame encirclingly mounting to said top wall and a bottom retention frame encirclingly mounting to said bottom wall, wherein said surrounding wall is mounted between said top and bottom retention frames; and   a joint structure for coupling said top retention frame with said bottom retention frame, wherein said joint structure comprises:   a plurality of joint members spacedly extended between said top and bottom retention frames, each of said joint members comprising an upper joint having an upper socket downwardly extended from said top retention frame, a lower joint having a lower socket upwardly extended from said bottom retention frame to align with said upper socket, and a shaft holder alignedly mounting between said upper and lower joints to form a reinforcement channel between said upper and lower sockets through said shaft holder; and   a plurality of reinforcing shafts being disposed within said reinforcement channels and coupling between said upper and lower joints through said shaft holders respectively, wherein each of said reinforcing shafts has an upper portion received in said respective upper socket, a lower portion received in said respective lower socket, and a mid-portion received within said respective shaft holder such that said joint structure reinforces said a strength between said top and bottom retention frames to rigidly support said wall frame.   
     
     
         2 . The portable work and storage container, as recited in  claim 1 , wherein each of said shaft holders has two end portions detachably coupling with said upper and lower joints respectively such that said top and bottom retentions are adapted to be disassembled when said shaft holders are detached from said upper and lower joints. 
     
     
         3 . The portable work and storage container, as recited in  claim 1 , wherein each of said joint members comprises a tubular sleeve receiving said respective reinforcing shaft therealong and two joint panels outwardly and integrally extended from said tubular sleeve to reinforce a structure of said tubular sleeve. 
     
     
         4 . The portable work and storage container, as recited in  claim 2 , wherein each of said joint members comprises a tubular sleeve receiving said respective reinforcing shaft therealong and two joint panels outwardly and integrally extended from said tubular sleeve to reinforce a structure of said tubular sleeve. 
     
     
         5 . The portable work and storage container, as recited in  claim 2 , wherein said joint structure further comprises a plurality of connecting panels sidewardly extended from said upper joints, said lower joints and said end portions of each of said shaft holders respectively, and a plurality of panel lockers detachably coupling between two said corresponding connecting panels so as to detachably connect said two end portions of said shaft holders with said upper and lower joints respectively. 
     
     
         6 . The portable work and storage container, as recited in  claim 4 , wherein said joint structure further comprises a plurality of connecting panels sidewardly extended from said upper joints, said lower joints and said end portions of each of said shaft holders respectively, and a plurality of panel lockers detachably coupling between two said corresponding connecting panels so as to detachably connect said two end portions of said shaft holders with said upper and lower joints respectively. 
     
     
         7 . The portable work and storage container, as recited in  claim 5 , wherein each of said connecting panels, having a mounting hole, integrally, outwardly and transversely extended from said tubular sleeve such that when said two corresponding connecting panels are overlapped to align said mounting holes with each other, said respective panel locker is detachably coupled with said connecting panels through said mounting holes. 
     
     
         8 . The portable work and storage container, as recited in  claim 6 , wherein each of said connecting panels, having a mounting hole, integrally, outwardly and transversely extended from said tubular sleeve such that when said two corresponding connecting panels are overlapped to align said mounting holes with each other, said respective panel locker is detachably coupled with said connecting panels through said mounting holes. 
     
     
         9 . The portable work and storage container, as recited in  claim 4 , further comprising a panel guide for guiding said surrounding wall between said top and bottom retention frames, wherein said panel guide comprises two longitudinal guiders attaching to peripheral edge portions of said top and bottom walls respectively and a transverse guider outwardly and integrally extended from each of said joint members such that peripheral edge of said surrounding wall is sandwiched between said longitudinal and transverse guiders to retain said surrounding wall in position. 
     
     
         10 . The portable work and storage container, as recited in  claim 8 , further comprising a panel guide for guiding said surrounding wall between said top and bottom retention frames, wherein said panel guide comprises two longitudinal guiders attaching to peripheral edge portions of said top and bottom walls respectively and a transverse guider outwardly and integrally extended from each of said joint members such that peripheral edge of said surrounding wall is sandwiched between said longitudinal and transverse guiders to retain said surrounding wall in position. 
     
     
         11 . The portable work and storage container, as recited in  claim 1 , wherein each of said reinforcement channels has a non-circular cross section, wherein each of said reinforcement shafts has a non-circular cross section corresponding to said reinforcement channel such that when said reinforcement shaft is disposed in said respective reinforcement channel, said reinforcement shaft is retained to prevent a rotational movement within said reinforcement channel. 
     
     
         12 . The portable work and storage container, as recited in  claim 8 , wherein each of said reinforcement channels has a non-circular cross section, wherein each of said reinforcement shafts has a non-circular cross section corresponding to said reinforcement channel such that when said reinforcement shaft is disposed in said respective reinforcement channel, said reinforcement shaft is retained to prevent a rotational movement within said reinforcement channel. 
     
     
         13 . The portable work and storage container, as recited in  claim 10 , wherein each of said reinforcement channels has a non-circular cross section, wherein each of said reinforcement shafts has a non-circular cross section corresponding to said reinforcement channel such that when said reinforcement shaft is disposed in said respective reinforcement channel, said reinforcement shaft is retained to prevent a rotational movement within said reinforcement channel. 
     
     
         14 . The portable work and storage container, as recited in  claim 1 , wherein said upper and lower joints are integrally and spacedly extended from said top and bottom retention frames respectively. 
     
     
         15 . The portable work and storage container, as recited in  claim 13 , wherein said upper and lower joints are integrally and spacedly extended from said top and bottom retention frames respectively. 
     
     
         16 . The portable work and storage container, as recited in  claim 1 , wherein each of said reinforcing shafts has a top side biasing against said top retention frame when said upper portion of said reinforcing shaft is received in said upper socket of said upper joint, and a bottom side biasing against said bottom retention frame when said lower portion of said reinforcing shaft is received in said lower socket of said lower joint. 
     
     
         17 . The portable work and storage container, as recited in  claim 8 , wherein each of said reinforcing shafts has a top side biasing against said top retention frame when said upper portion of said reinforcing shaft is received in said upper socket of said upper joint, and a bottom side biasing against said bottom retention frame when said lower portion of said reinforcing shaft is received in said lower socket of said lower joint. 
     
     
         18 . The portable work and storage container, as recited in  claim 15 , wherein each of said reinforcing shafts has a top side biasing against said top retention frame when said upper portion of said reinforcing shaft is received in said upper socket of said upper joint, and a bottom side biasing against said bottom retention frame when said lower portion of said reinforcing shaft is received in said lower socket of said lower joint. 
     
     
         19 . The portable work and storage container, as recited in  claim 1 , wherein each of said top and bottom retention frames has a rectangular shape that said upper and lower joints are provided at corners of said top and bottom retention frames respectively. 
     
     
         20 . The portable work and storage container, as recited in  claim 18 , wherein each of said top and bottom retention frames has a rectangular shape that said upper and lower joints are provided at corners of said top and bottom retention frames respectively. 
     
     
         21 . The portable work and storage container, as recited in  claim 4 , wherein said surrounding wall comprises a plurality of surrounding panels connecting edge-to-edge to enclose said storage compartment. 
     
     
         22 . The portable work and storage container, as recited in  claim 10 , wherein said surrounding wall comprises a plurality of surrounding panels connecting edge-to-edge to enclose said storage compartment. 
     
     
         23 . The portable work and storage container, as recited in  claim 20 , wherein said surrounding wall comprises a plurality of surrounding panels connecting edge-to-edge to enclose said storage compartment.