Slot-nut and connecting device, resp.connecting system

摘要

The profile rail (1) has an undercut groove (2) that discloses a collar (3), where the groove has a T-shaped cross section. The cross section is formed in an asymmetric manner. A longitudinal lateral flank (4) is provided with the profile rail and a curve lateral flank (5) is formed with the profile rail. The flanks are arranged on the opposite side to each other. Independent claims are also included for the following: (1) a sliding block for detachable fastening of an object at the profile rail; (2) a fastening device with a main body; and (3) a fastening system with a display device.