IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0144713
(2002-05-15)
|
발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
5 |
초록
▼
A foldable workbench comprises at least a foldable leg frame, two clamp assemblies, to angular control board, several angular regulators, several clamp boards and a flat workbench, in which two clamp assemblies are linked to the foldable leg frame. The adjusting holes of the angular control board ar
A foldable workbench comprises at least a foldable leg frame, two clamp assemblies, to angular control board, several angular regulators, several clamp boards and a flat workbench, in which two clamp assemblies are linked to the foldable leg frame. The adjusting holes of the angular control board are connected to one side of clamp assemblies. Several angular regulators are arranged at both ends of the clamp assemblies. In addition, several clamp boards are bolted on the angular regulators. The flat workbench is placed on the angle iron rake of the brace.
대표청구항
▼
1. A foldable workbench, comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of sai
1. A foldable workbench, comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of said brace, a lower part of said center leg of one brace linked with a lower part of said center leg of a counter part brace by a connector;two pieces of clamp assembly in parallel arrangement and including a section of said channel tube with an opening at one end to receive a worm gear and a crank handle, said channel tube having a guide slot on top;two angular control boards, each board having a guide groove, a plurality of adjustment holes drilled along the guide groove and a round hole at an end of said angular control board;a plurality of angular regulators, each comprising a yoke, a slide, a spring retainer and a lock plate;a plurality of clamp boards with a plurality of holes punched;a flat work board with a plurality of holes punched, having racks extended from both sides at a proper place;two clamp assemblies bolted to said channel tube on said foldable leg frame, said angular regulators attached to said clamp assemblies, one of said angular regulators adjacent to said crank handle of each said clamp assembly bolted to said clamp assembly, another angular regulator fastened on a lock bolt, said lock bolt further entering a guide slot of said clamp assembly and fixing said worm gear, said clamp boards bolted on said angular regulators to be angularly adjustable relative to said clamp assemblies, and said flat work board lying on said angle iron rack of said foldable brace. 2. The foldable workbench of claim 1, wherein a pivot plate links with a lower part of said center leg and a lower part of said short leg, a hook unites said center leg and said short leg together. 3. The foldable workbench of claims 1 or 2 , wherein said angle iron rack has a vertical wall with one end linked to said short leg and another end to said center leg. 4. The foldable workbench of claim 1, wherein said angle iron rack is employed to receive said flat work board. 5. The foldable workbench of claim 1, wherein said round hole on said angle control board is used to link to one side of said clamp assembly. 6. The foldable workbench of claim 1, wherein said angle control board is locked by a lock bolt to said channel tube of said foldable brace. 7. The foldable workbench of claim 1, wherein said clamp boards and said flat work board have a plurality of holes for support. 8. The foldable workbench of claim 1, wherein said angular regulator has a yoke with a guide slot and a round hole. 9. The foldable workbench of claim 1, wherein a slide of said angular regulator is a channel tube with lock holes on both ends. 10. The foldable workbench of claims 1 , wherein a lock plate of said angular regulator has transverse lugs with holes and downward lugs with holes for connection. 11. The foldable workbench of claims 8 , 9 , or 10 , wherein a lock hole at one end of said lock plate is pivoted with a guide slot of said yoke, a lock hole at another end of said lock plate is pivoted with a lock hole of said slide, another end of said slide is mounted on a lock hole with a spring retainer, said spring retainer is fixed on said yoke through a guide at a side of said yoke with a press unit and a spring, said press unit is fixed inside a cavity of a cylinder with one end of said spring, said cylinder is fixed at another side of said slide with a lug, whereby said spring pushes said press unit and cylinder aside and supports inner walls of said yoke. 12. The foldable workbench of claim 1, wherein said clamp board is fastened on lock holes of said lock plate by bolts. 13. A foldable workbench comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg with a bolt, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of said brace, a lower part of said center leg of one brace linked with a lower part of said center leg of a counter part brace by a connector;two pieces of clamp assembly in parallel arrangement and including a section of said channel tube with an opening at one end to receive a worm gear and a crank handle, said channel tube having a guide slot on top;two angular control boards, each board having a guide groove, a plurality of adjustment holes drilled along the guide groove and a round hole at an end of said angular control board;a plurality of angular regulators, each comprising a yoke, a slide, a spring retainer and a lock plate;a plurality of clamp boards with a plurality of holes punched;a flat work board with a plurality of holes punched, having racks extended from both sides at a proper place;two clamp assemblies bolted to said channel tube on said foldable leg frame, said angular regulators attached to said clamp assemblies, one of said angular regulators adjacent to said crank handle of each said clamp assembly bolted to said clamp assembly, another angular regulator fastened on a lock bolt, said lock bolt further entering a guide slot of said clamp assembly and fixing said worm gear, said clamp boards bolted on at least one said angular regulator, and said flat work board lying on said angle iron rack of said foldable brace;wherein a spring retainer consists of a cylinder with a lug on one end and a cavity to receive a press unit and a spring. 14. The foldable workbench of claim 13, wherein a lock hole at one end of said lock plate is pivoted with a guide slot of said yoke, a lock hole at another end of said lock plate is pivoted with a lock hole of said slide, another end of said slide is mounted on a lock hole with a spring retainer, said spring retainer is fixed on said yoke through a guide at a side of said yoke with a press unit and a spring, said press unit is fixed inside a cavity of a cylinder with one end of said spring, said cylinder is fixed at another side of said slide with a lug, whereby said spring pushes said press unit and cylinder aside and supports inner walls of said yoke. 15. A foldable workbench comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg with a bolt, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of said brace, a lower part of said center leg of one brace linked with a lower part of said center leg of a counter part brace by a connector;two pieces of clamp assembly in parallel arrangement and including a section of said channel tube with an opening at one end to receive a worm gear and a crank handle, said channel tube having a guide slot on top;two angular control boards, each board having a guide groove, a plurality of adjustment holes drilled along the guide groove and a round hole at an end of said angular control board;a plurality of angular regulators, each comprising a yoke, a slide, a spring retainer and a lock plate;a plurality of clamp boards with a plurality of holes punched;a flat work board with a plurality of holes punched, having racks extended from both sides at a proper place;two clamp assemblies bolted to said channel tube on said foldable leg frame, said angular regulators attached to said clamp assemblies, one of said angular regulators adjacent to said crank handle of each said clamp assembly bolted to said clamp assembly, another angular regulator fastened on a lock bolt, said lock bolt further entering a guide slot of said clamp assembly and fixing said worm gear, said clamp boards bolted on at least one said angular regulator, and said flat work board lying on said angle iron rack of said foldable brace;wherein said angular regulator has a yoke with a guide slot and a round hole;wherein a lock hole at one end of said lock plate is pivoted with a guide slot of said yoke, a lock hole at another end of said lock plate is pivoted with a lock hole of said slide, another end of said slide is mounted on a lock hole with a spring retainer, said spring retainer is fixed on said yoke through a guide at a side of said yoke with a press unit and a spring, said press unit is fixed inside a cavity of a cylinder with one end of said spring, said cylinder is fixed at another side of said slide with a lug, whereby said spring pushes said press unit and cylinder aside and supports inner walls of said yoke. 16. A foldable workbench comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg with a bolt, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of said brace, a lower part of said center leg of one brace linked with a lower part of said center leg of a counter part brace by a connector;two pieces of clamp assembly in parallel arrangement and including a section of said channel tube with an opening at one end to receive a worm gear and a crank handle, said channel tube having a guide slot on top;two angular control boards, each board having a guide groove, a plurality of adjustment holes drilled along the guide groove and a round hole at an end of said angular control board;a plurality of angular regulators, each comprising a yoke, a slide, a spring retainer and a lock plate;a plurality of clamp boards with a plurality of holes punched;a flat work board with a plurality of holes punched, having racks extended from both sides at a proper place;two clamp assemblies bolted to said channel tube on said foldable leg frame, said angular regulators attached to said clamp assemblies, one of said angular regulators adjacent to said crank handle of each said clamp assembly bolted to said clamp assembly, another angular regulator fastened on a lock bolt, said lock bolt further entering a guide slot of said clamp assembly and fixing said worm gear, said clamp boards bolted on at least one said angular regulator, and said flat work board lying on said angle iron rack of said foldable brace;wherein a slide of said angular regulator is a channel tube with lock holes on both ends;wherein a lock hole at one end of said lock plate is pivoted with a guide slot of said yoke, a lock hole at another end of said lock plate is pivoted with a lock hole of said slide, another end of said slide is mounted on a lock hole with a spring retainer, said spring retainer is fixed on said yoke through a guide at a side of said yoke with a press unit and a spring, said press unit is fixed inside a cavity of a cylinder with one end of said spring, said cylinder is fixed at another side of said slide with a lug, whereby said spring pushes said press unit and cylinder aside and supports inner walls of said yoke. 17. A foldable workbench comprising:a foldable leg frame constituting two foldable braces, each brace having a channel tube with one end connected to a center leg and another end to a short leg with a bolt, a center hole of said channel tube connected to a center leg, an angle iron rack mounted on a side of said brace, a lower part of said center leg of one brace linked with a lower part of said center leg of a counter part brace by a connector;two pieces of clamp assembly in parallel arrangement and including a section of said channel tube with an opening at one end to receive a worm gear and a crank handle, said channel tube having a guide slot on top;two angular control boards, each board having a guide groove, a plurality of adjustment holes drilled along the guide groove and a round hole at an end of said angular control board;a plurality of angular regulators, each comprising a yoke, a slide, a spring retainer and a lock plate;a plurality of clamp boards with a plurality of holes punched;a flat work bo ard with a plurality of holes punched, having racks extended from both sides at a proper place;two clamp assemblies bolted to said channel tube on said foldable leg frame, said angular regulators attached to said clamp assemblies, one of said angular regulators adjacent to said crank handle of each said clamp assembly bolted to said clamp assembly, another angular regulator fastened on a lock bolt, said lock bolt further entering a guide slot of said clamp assembly and fixing said worm gear, said clamp boards bolted on at least one said angular regulator, and said flat work board lying on said angle iron rack of said foldable brace;wherein a lock plate of said angular regulator has transverse lugs with holes and downward lugs with holes for connection;wherein a lock hole at one end of said lock plate is pivoted with a guide slot of said yoke, a lock hole at another end of said lock plate is pivoted with a lock hole of said slide, another end of said slide is mounted on a lock hole with a spring retainer, said spring retainer is fixed on said yoke through a guide at a side of said yoke with a press unit and a spring, said press unit is fixed inside a cavity of a cylinder with one end of said spring, said cylinder is fixed at another side of said slide with a lug, whereby said spring pushes said press unit and cylinder aside and supports inner walls of said yoke.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.