US Patent 9413082 Spring force terminal connection and electric device therewith

Disclosed is a spring force terminal connection (1) comprising a busbar (2), a terminal spring (4) in the form of a cage tensile spring, and an actuation element (13) which is displaceably mounted to act upon the actuation section (7) of the terminal spring (4) such that a terminal point can be opened and closed. A bearing arm (12, 22) extends from the direction of the busbar (2) through a slot (9, 20) in the terminal section (8) and/or in the actuation section (7) of the terminal spring (4). The section of the bearing arm (12, 22) that extends through the slot (9, 20) is arranged in a region between the lateral edges of the terminal spring (4) and supports the actuation element (13).