Disk brake and adjusting means therefor

Claim 1

A DISK-BRAKE SYSTEM COMPRISING HOUSING MEANS; A BRAKE DISK ROTATABLE RELATIVELY TO SAID HOUSING MEANS; AT LEAST ONE BRAKE SHOE SHIFTABLE WITH RESPECT TO SAID HOUSING MEANS TOWARD SAID DISK; ACTUATING MEANS ON SAID HOUSING FOR DISPLACING SAID BRAKE SHOE, SAID ACTUATING MEANS INCLUDING AN ACTUATING LEVER SWINGABLE ABOUT AN AXIS GENERALLY TRANSVERSE TO THE DIRECTION OF DISPLACEMENT OF SAID DISK; ADJUSTING MEANS INTERPOSED BETWEEN SAID ACTUATING MEANS AND SAID BRAKE SHOE FOR COMPENSATING THE POSITION OF SAID BRAKE SHOE WITH RESPECT TO SAID ACTUATING MEANS IN ACCORDANCE WITH WEAR OF SAID BRAKE SHOE, SAID ADJUSTING MEANS INCLUDING ELONGATABLE TRANSMISSION MEANS AND PAWLAND-RATCHET MEANS ENGAGEABLE BY SAID ACTUATING MEANS FOR EXTENDING SAID TRANSMISSION MEANS AND INCLUDING AN ADJUSTING LEVER FULCRUMED ON SAID AXIS AND ENTRAINABLE BY SAID ACTUATING LEVER FOR OPERATING SAID PAWL-AND-RATCHET MEANS, SAID ELONGATABLE INTERCONNECTED ELONGATED ELEMENTS; AND PAIR OF THREADEDLY INTERCONNECTED ELONGATED ELEMENTS; AND RETAINING MEANS FOR PREVENTING ROTATION OF ONE OF SAID ELEMENTS, THE OTHER OF SAID ELEMENTS BEING JOURNALED IN SAID HOUSING MEANS AND AXIALLY SHIFTABLE FOR A DISPLACEMENT OF SAID BRAKE SHOE, SAID PAWL-AND-RATCHET MEANS INCLUDING A TOOTHED WHEEL ON SAID OTHER OF SAID ELEMENTS AND A PAWL PORTION OF SAID ADJUSTING LEVER FOR STEPPING SAID WHEEL AND ROTATING SAID OTHER OF SAID ELEMENTS.