Track element for a track-laying vehicle

Claim 1

AN ELEMENT OF A TRACK FOR A TRACK LAYING VEHICLE, WHICH ELEMENT IS ADAPTED TO FORM ONE OF A SERIES OF LIKE ELEMENTS WHICH ARE SECURED CONSECUTIVELY TO EACH OTHER TO CONSTITUTE THE SAID TRACK; THE SAID ELEMENT COMPRISING: TWO RELATIVELY MOVABLE PARTS; A SEPARATE SET OF CABLES CONNECTING EACH OF SAID PARTS OF THE ELEMENT, EACH CABLE OF SAID SET HAVING ENDS RESPECTIVELY ANCHORED TO SAID TWO PARTS OF THE ELEMENT; MEANS ON SAID PARTS TO PERMIT EACH OF THE LATTER TO BE SECURED TO THE ADJACENT PART OF THE ADJACENT ELEMENT; AND EACH OF SAID TWO PARTS HAVING UPWARDLY AND DOWNWARDLY CURVED TONGUES PERMITTING THE ELEMENT OF BE BENT TO A SUBSTANTIAL EXTENT ABOUT ITS TRANSVERSE AXIS FROM AN ALIGNED POSITION OF THE SAID PARTS AND IN DIRECTIONS BOTH TOWARDS AND AWAY FROM THE CENTER OF THE TRACK, SAID UPWARDLY AND DOWNWARDLY CURVED TONGUES HAVING SIDE SURFACES AND CURVED SURFACES, THE CURVED SURFACES OF SAID UPWARDLY AND DOWNWARDLY CURVED TONGUES OF ONE OF SAID PARTS BEING ADAPTED TO MOVE OVER THE