Post for inserting into a connecting piece as an extension column at construction sites to provide safety against falling which has bolting device and control element

摘要

Post (1) for inserting into a connecting piece (2) with struts and bolting device (3) which is locked in the corresponding recess (22). Control element (32) with bolting device (3) interlocks the post with the connecting piece. Bolting device has carrier (33) and feather spring for counter acting force (31), which unlocks the post from the connecting piece. Independent claims are also included for: (A) Railing; (B) Fastener; (C) Method for connecting posts; (D) Structure of post; (E) Use of posts.