Patent ID: 7217058

Claim:
A connection device for connecting mounting rails ( 2 , 3 , 4 ; 6 , 7 8 ) in a double-T joint, comprising: an intermediate member ( 11 ) having two, extending substantially parallel to each other, legs ( 12 ) and a connection section ( 13 ) connecting the two legs ( 12 ) for at least partially encompassing a first one ( 2 ; 6 ) of the mounting rails ( 2 , 3 , 4 ; 6 , 7 , 8 ); and at least one receiving member ( 26 ) connectable with the intermediate member ( 11 ) and in which a second one ( 3 , 4 ; 7 , 8 ) of the mounting rails ( 2 , 3 , 4 ; 6 , 7 , 8 ), which butt-joins the first one ( 2 ; 6 ) of the mounting rails ( 2 , 3 , 4 ; 6 , 7 , 8 ), is received, the receiving member ( 26 ) having two, extending substantially parallel to each other legs ( 27 ) and a connection section ( 28 ) for connecting the two legs ( 27 ), wherein at least one of the legs ( 12 ) of the intermediate member ( 11 ) has a plurality of spaced from each other and located opposite each other, elementary receptacles ( 18 ), wherein the at least one receiving member ( 26 ) has a setting-in element ( 30 ) for selectively engaging in one of the elementary receptacles ( 18 ) for connecting the at least one receiving member ( 26 ) with the intermediate member ( 11 ), and wherein the connection device further comprises a securing element ( 41 ) including a setting-in section ( 42 ) for connecting the securing element ( 41 ) with the intermediate member ( 11 ) and fastening means ( 45 ) for securing the second one ( 3 , 4 ; 7 , 8 ) of the mounting rails ( 2 , 3 , 4 ; 6 , 7 , 8 ) with the connection device ( 1 ; 36 ), at least one of the legs ( 12 ) of the intermediate member ( 11 ) having a plurality of parallel, spaced from each other, slot-shaped securing receptacles ( 19 ) for selectively receiving the setting-in section ( 42 ) of the securing element ( 41 ) for securing the second one of the mounting rails ( 2 , 3 , 4 ; 6 , 7 , 8 ), which is received in the at least one receiving member ( 26 ), at a predetermined height with respect to the intermediate member ( 11 ).