Patent ID: 7637059

Claim:
A roller assembly for use with a frameless sliding glass door comprising a bracket having a rear surface; an upper end; a lower end; a lower edge; at least one elongated hole being formed through the bracket near the lower end; an adjustment hole being formed through the lower edge of the bracket, being a threaded hole and communicating with the elongated hole formed through the lower end of the bracket; and a set screw being threaded and screwed into the adjustment hole in the bracket and having a tip extending into the lowest elongated hole; and a face having a keyed surface; a roller being rotatably connected to the rear surface of the bracket in the upper end; and at least one fastening device being mounted in the at least one elongated hole in the bracket, wherein each at least one fastening device has an annular sheath; a nut being mounted in the annular sheath and having a rim being mounted in and abutting the annular sheath; and a connecting hole being formed on and protruding axially in the nut, the connecting hole being a threaded hole and being aligned with a corresponding elongated hole in the bracket; a washer being mounted around the nut adjacent to the bracket; and a bolt being connected securely to the nut and having a head abutting the bracket and being larger than the corresponding elongated hole and having a center; and a shaft being formed on and protruding from the center of the head and being threaded and corresponding to the connecting hole through the corresponding elongated hole, wherein the tip of the set screw abuts against the shaft of the bolt of the fastening device mounted in the lowest elongated hole.