METHOD FOR MUTUALLY CONNECTING SQUARE PIPES DETACHABLY IN ARRANGEMENT OF T SHAPE OR L SHAPE, JOINT TO BE USED THEREFOR, AND CONNECTED ASSEMBLY OF SQUARE PIPES WITH JOINT

摘要

The present invention is a square pipe with L-shaped or T-shaped to allow the connection to use the square pipe robust removable without slip of the cross-square pipe by bolting at the time of assembly and configuration, such as the shelf frame is to connect to each other as possible connection to provide a joint. ; As a method of connecting the square pipe to the front T-shaped or L-shaped as a detachable, with the nut having a female thread groove formed holes passing from front to back, each T-shaped or L-shaped is formed in the connecting hands of the joint branch, wherein a through hole corresponding to the position of the female screw groove forming holes being provided similarly through a side of the square pipe is fitted is covered on each connection hand, the square pipe is is fitted is covered on each individual connection of the joint hand, then covering the through hole of all square pipes commonly applied to the common connection plate front having a bolt coupling hole matching respectively the position of all the through holes of the bolt are each connected through the bolt holes and the through holes each hand being screwed into the female screw hole of the nut forming groove, a side of the square pipe is fixed tightened via the common connection plate. ; Square pipes, shelves, frames, joints, connecting plate, bolt hole