Roller device for sliding closures

Claim 1

A ROLLER DEVICE FOR A SLIDING CLOSURE COMPRISING A WHEEL, SUPPORT MEANS FOR ROTATABLY SUPPORTING SAID WHEEL, SUPPORT BRACKET MEANS, ONE OF SAID MEANS HAVING A PIN MEMBER THEREON, THE LONGITUDINAL AXIS OF SAID PIN MEMBER BEING SUBSTANTIALLY PARALLEL TO THE ROTATION AXIS OF SAID WHEEL, SAID PIN MEMBER HAVING A GREATER DIMENSION ALONG ONE TRANSVERSE AXIS THEREOF THAN THE TRANSVERSE AXIS NORMAL TO SAID ONE AXIS, THE OTHER OF SAID MEANS HAVING A PAIR OF OPPOSITE SIDES JOINED BY A THIRD SIDE, SAID OPPOSITE SIDES EACH HAVING AN OPEN ENDED SLOT FORMED THEREIN POSITIONED DIRECTLY OPPOSITE EACH OTHER, THE TRANSVERSE DIMENSION OF EACH OF SAID SLOTS BEING AT LEAST EQUAL TO THE DIMENSION OF SAID PIN MEMBER ALONG SAID TRANSVERSE AXIS NORMAL TO SAID ONE AXIS AND SLIGHTLY LESS THAN THE DIMENSION OF SAID PIN MEMBER ALONG SAID ONE TRANSVERSE AXIS, SAID SUPPORT MEANS BEING REMOVABLY ATTACHED TO SAID SUPPORT BRACKET MEANS BY PLACING THE END PORTIONS OF SAID PIN MEMBER IN SAID SLOTS WITH THE TRANSVERSE AXES NORMAL TO SAID ONE AXIS THEREOF SUBSTANTIALLY PARALLEL TO THE TRANSVERSE AXES OF SAID SLOTS AND THEN BRINGING SAID ONE AXIS OF SAID PIN MEMBER APPROXIMATELY PARALLEL TO THE TRANSVERSE AXES OF SAID SLOTS, SAID PIN MEMBER THEREBY BEING HELD IN SAID SLOTS, AND AN ADJUSTMENT SCREW THREADABLY ATTACHED TO ONE OF SAID MEANS, THE END OF SAID SCREW ABUTTING AGAINST THE OTHER OF SAID MEANS, SAID SUPPORT BRACKET MEANS BEING ATTACHED TO SAID CLOSURE.