| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel corner joint for assembling an aluminum frame into a structure while improving the strength of a connection part without the need for a cap. SOLUTION: The corner joint 12 comprises a base plate 18, an upright plate fitting part 20 integrally extending from the base plate 18 in a perpendicular direction, a hexagon socket head cap screw 22 threaded to a screw through-hole 20A of the upright plate fitting part 20, a parallel plate fitting part 24 integrally extending from the end face of the base plate 18 in parallel to the base plate 18, and a hexagon socket head cap screw 26 threaded to a screw through-hole 24A of the parallel plate fitting part 24. The plate fitting parts 20, 24 are fitted into aluminum frame retaining grooves perpendicular to each other, respectively. The hexagon socket head cap screws 22, 26 are fastened to the opposed bottom faces of the retaining grooves. COPYRIGHT: (C)2007,JPO&INPIT
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