Auxiliary harness for releasing a clamp connection for nesting groove profiles involved in subterranean pit construction

摘要

The auxiliary harness (19) has U-shaped brackets (20) that are supported on channel profile (2) of channel section and coupled with a base plate (25) which is movable along legs (22) of the brackets. The base plate is rotatably mounted on a spindle (34) which is moved against a sub-tab (13) of clamp connection (8) of the channel profile so that the brackets are fixed to the channel profile.