Self-energizing disk brake

Claim 1

A SELF-ENERGIZING BRAKE SYSTEM COMPRISING, IN COMBINATION WITH A REVERSIBLE ROTARY DISK, A PAIR OF BRAKE SHOES HAVING RESPECTIVE LININGS ADJACENT OPPOSITE ECCENTRIC SURFACE AREAS OF SAID DISK AND BACKING PLATES FOR SAID LININGS REMOTE FROM SAID DISK; STATIONARY SUPPORTING MEANS ADJACENT SAID DISK; MOUNTING MEANS FOR SAID LININGS INCLUDING A PAIR OF ARMS ON OPPOSITE SIDES OF SAID DISK, SAID ARMS HAVING ENDS PIVOTED TO SAID SUPPORTING MEANS AT SYMMETRIC LOCATIONS WITH REFERENCE TO SAID DISK AND FURTHER HAVING FREE ENDS REMOTE FROM SAID PIVOTED ENDS IN ENGAGEMENT WITH FRONTAL PORTIONS OF SAID BACKING PLATES, SAID LININGS BING HELD BY SAID MOUNTING MEANS IN LINE WITH PORTIONS OF SAID ARMS SPACED FROM SAID FREE ENDS AND IN A MANNER AFFORDING LIMITED MOBILITY TO SAID LININGS IN A GENERALLY CHORDAL DIRECTION OF SAID DISK AND ABOUT AXES SUBSTANTIALLY TRANSVERSE TO SAID DIRECTION AND PARALLEL TO SAID DISK; MECHANICAL CLAMPING MEANS LINKED WITH SAID FREE ENDS FOR URGING FRONTAL PORTIONS ONLY OF SAID SHOE RELATIVELY CLOSE TO SAID FREE ENDS TOWARD EACH OTHER AND INTO CONTACT WITH SAID DISK, THEREBY CAUSING LIMITED ENTRAINMENT OF SAID LININGS BY SAID DISK UPON ROTATION OF THE LATTER; FIRST AND SECOND CAMMING MEANS ON SAID SUPPORTING MEANS POSITIONED FOR CO-OPEREATION WITH SAID MOUNTING MEANS UPON SUCH ENTRAINMENT IN A RESPECTIVE SENSE FOR FORCING DISTAL PORTIONS OF SAID LININGS RELATIVELY REMOTE FROM SAID FREE ENDS INTO CONTACT WITH SAID DISK EACH OF SAID CAMMING MEANS INCLUDING A RESPECTIVE RECESS FORMED IN AT LEAST ONE OF SAID SUPPORT AND MOUNTING MEANS, AND ROLLER BODIES IN SAID RECESSES, SAID RECESSES HAVING RAMP-LIKE FLANKS INCLINED TOWARD SAID DISK FOR CAMMING ENGAGEMENT BY SAID BODIES TO URGE SAID DISTAL PORTIONS AGAINST SAID DISK UPON SAID ENTRAINMENT OF SAID LININGS THEREBY; LINK MEANS CONNECTED WITH SAID MOUNTING MEANS FOR HOLDING SAME AGAINST SAID ROLLER BODIES AND RESILIENT RESTORING MEANS ENGAGING SAID FREE ENDS FOR TENDING TO MAINTAIN SAID LININGS SPACED FROM SAID DISK.