US Patent 8100600 Pivoting connector assembly for connecting two members

A connector is configured to connect two frame members. The connector includes a body with a first end and a second end spaced from the first end. A fulcrum is coupled to the body between the first end and the second end. The body is configured to be received in a channel of a frame member and pivots about the fulcrum inside the channel between a first pivot position in which the frame members are free to move relative to one another and a second pivot position in which the frame members are locked against relative movement.