Scaffolding construction, in particular means for joining two or more of its posts in vertical position

A scaffolding construction, in particular comprising H-shaped frames. The posts (1) of a frame are provided at the one end (4) with a bushing (5), of which the inner diameter is larger than the outer diameter of the post (1). The bushing (5) is provided with a recess (7) and with a staggered groove (8) lying opposite to it. The other end of a post (1) is provided with a pin (14) which can be fittingly received in the groove (8) and in the upper end of a post (8). In the horizontal position of the posts, its pins are inserted in the groove (8) via the recesses (7). During the angular rotation which the post (1) carries out while being swung into its vertical position, the pins (14) are guided by the grooves (8), and the posts by the recesses (7), so that so that the pins come to rest in the posts.