Spot-type disc brake

Claim 1

IN A DISC BRAKE, THE COMBINATION COMPRISING, A ROTATABLE DISC, A STATIONARY MEMBER, FIRST AND SECOND MOUNTING SUPPORTS, SAID SUPPORTS BEING SPACED APART WITH SAID DISC BEING INTERPOSED THEREBETWEEN, A FRICTION PLATE SLIDABLY CARRIED BY EACH OF SAID SUPPORTS AND ADAPTED TO ENGAGE SAID DISC, MEANS MOUNTING SAID SUPPORTS AND PLATES FOR SWIVELLING MOVEMENT IN A DIRECTION TRANSVERSE TO THE PLANE OF SAID DISC COMPRISING SWIVEL BOLTS ROTATABLY RECEIVED AT EITHER END OF ONE OF SAID SUPPORTS, SAID SWIVEL BOLTS BEING SLIDABLY RECEIVED ON SAID STATIONARY MEMBER, SAID SWIVEL MOUNTING MEANS FURTHER COMPRISING LUG MEANS PROJECTING FROM THE ENDS OF EACH OF THE SUPPORTS TOWARD THE OTHER OF THE SUPPORTS. THE LUGS AT RESPECTIVE ENDS OF SAID SUPPORTS HAVING ALIGNED HOLES THERETHROUGH WITH SAID SWIVEL BOLTS BEING ROTATABLY RECEIVED THEREIN, AND ACTUATING MEANS CARRIED BY ONE OF SAID MOUNTING SUPPORTS AND ADAPTED TO DIRECTLY ENGAGE THE FRICTION PLATE ASSOCIATED WITH SAID ONE OF SAID MOUNTING SUPPORTS WHEREBY ACTUATION OF SAID ACTUATING MEANS CAUSES SAID LATTER-MENTIONED FRICTION PLATE TO BE DISPLACED RELATIVE TO ITS ASSOCIATED MOUNTING SUPPORT INTO ENGAGEMENT WITH SAID DISC AND UPON FURTHER ACTUATION OF SAID ACTUATOR MEANS TO CAUSE DISPLACEMENT OF THE OTHER OF THE FRICTION PLATES AND THE MOUNTING SUPPORTS IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF THE FORMER FRICTION PLATE.