| 摘要 |
A three way joint for a frame structure comprises a location piece secured to one end of a first transverse member and having two spaced protrusions extending axially of the first transverse member and a screw threaded nut (not shown); a second transverse member to engage over the location piece and having apertures to receive the protrusions and a further aperture and an upright frame member having apertures therein to receive the protrusions; and a further aperture to receive a bolt, the bolt passing through the apertures and engaging in the nut to clamp the three members together. A reinforcing member may be included. |
