Sliding door corner and roller assembly

Claim 1

IN A CORNER AND ROLLER ASSEMBLY FOR A SLIDING DOOR, OR THE LIKE, THE COMBINATION OF: (A) A TUBULAR STILE AND A TUBULAR RAIL ARRANGED IN PERPENDICULAR RELATION TO FORM A CORNER; (B) A GENERALLY L-SHAPED CORNER CONNECTOR HAVING ARMS RESPECTIVELY PRESSED INTO SAID STILE AND SAID RAIL TO HOLD SAME IN ASSEMBLED RELATION; (C) A ROLLER CARRIER WITHIN SAID RAIL AND HAVING A RESILIENT BIFUCATED END; (D) PIVOT MEANS MOUNTING SAID BUFICATED END OF SAID ROLLER CARRIER ON SAID CONNECTOR FOR PIVOTAL MOVEMENT OF SAID ROLLER CARRIER, BETWEEN AN INNER, RETRACTED POSITION RELATIVE TO SAID RAIL AND AN OUTER, EXTENDED POSITION RELATIVE THERETO, ABOUT A PIVOT AXIS PERPENDICULAR TO THE PLANE OF SAID CORNER; (E) SAID PIVOT MEANS INCLUDING ALIGNED PIVOT PINS ON SAID CONNECTOR, AND THE ARMS OF SAID BIFURCATED END OF SAID ROLLER CARRIER HAVING ALIGNED RECEPTACLES RESPECTIVELY RECEVING SAID PIVOT PINS; (F) SAID PIVOT PINS HAVING BEVELED ENDS FOR SPRINGING SAID ARMS OF SAID BUFURCATED END OF SAID ROLLER CARRIER INTO ENGAGEMENT WITH SAID PIVOT PINS UPON MOVEMENT OF SAID ROLLER CARRIER TOWARD SAID CONNECTOR; (G) A ROLLER ROTATABLY MOUNTED ON SAID ROLLER CARRIER FOR ROTATION ABOUT AN AXIS PARALLEL TO AND SPACED FROM SAID PIVOT AXIS; (H) SAID RAIL HAVING AN OUTER EDGE PROVIDED WITH AN OPENING THROUGH WHICH SAID ROLLER PROJECTS OUTWARDLY; (I) ADJUSTABLE STOP MEANS FOR DEFINING SAID RETRACTED POSITION OF SAID ROLLER CARRIER; AND (J) SPRING MEANS FOR BIASING SAID ROLLER CARRIER TOWARD SAID EXTENDED POSITION.