Automatic brake adjusting mechanism

Claim 1

A DISK BRAKE FOR A VEHICLE HAVING WHEEL, A DISK WHICH IS ROTATABLE WITH THE WHEEL AND IS PROVIDED WITH BRAKING SURFACES ON OPPOSITE SIDES THEREOF AND A STATIONARY MEMBER ADJACENT THE DISK, SAID BRAKE COMPRISING A HOUSING MEMBER AND HAVING FIRST AND SECOND PORTIONS ON OPPOSITE SIDES OF THE DISK, A FIRST BRAKE SHOE CARRIED BY SAID FIRST HOUSING MEMBER PORTION ADJACENT ONE BARKING SURFACE OF THE DISK, A SECOND BARKE SHOE DISPOSED ADJACENT THE OTHER BRAKING SURFACE OF THE DISK, A PISTON CARRIED BY SAID SECOND HOUSING MEMBER PORTION OPERABLE TO PRESS SAID SECOND BRAKE SHOE AGAINST ITS ADJACENT DISK BRAKING SURFACE AND THROUGH REACTIVE MOVEMENT OF SAID HOUSING MEMBER TO PRESS SAID FIRST BRAKE SHOE AGAINST ITS ADJACENT DISK BRAKING SURFACE, A PAIR OF LINKS SPACED APART IN THE DIRECTION OF THE AXIS OF ROTATION OF THE DISK, SAID LINKS BEING PIVOTALLY MOUNTED ON SAID STATIONARY MEMBER AND BEING PIVOTALLY CONNECTED TO SAID HOUSING MEMBER TO SUPPORT SAID HOUSING MEMBER FOR MOVEMENT GENERALLY NORMAL TOI THE BRAKING SURFACES OF THE DISK AND AN AUTOMATIC ADJUSTER MECHANISM ARRANGED BETWEEN AT LEAST ONE ON SAID LINKS AND ONE OF SAID MEMBERS, SAID MECHANISM BEING OPERABLE TO ASSUME NEW POSITIONS AS SAID BRAKE SHOES WEAR TO MAINTAIN A PREDETERMINED MAXIMUM CLEARANCE DISTANCE BETWEEN SAID FIRST BRAKE SHOE AND ITS ADJACENT DISK SURFACE, SAID MECHANISM HAVING STOP MEANS POSITIVELY LIMITING MOVEMENT OF SAID FIRST HOUSING PORTION AWAY FROM SAID DISK TOWARD SAID DISK.