Patent ID: 6766561
Filing Date: 2004-07-27
Classification: E05D,E05Y,Y10T

Abstract:
A frameless glass door hinge for a frameless glass door mounted in a doorframe; the frameless glass door hinge comprisinga mounting device having a bracket leaf, a doorstop bracket and a bushing, wherein the bracket leaf has a front surface and a rear surface, wherein the front surface is adapted to be securely connected to the door frame; the doorstop bracket is securely attached to the bracket leaf and comprises a bracket body having a rear rectangular surface, a rectangular through hole and a threaded setscrew hole and being securely connected to the bracket leaf, wherein the rectangular through hole has a right inner surface, and the threaded setscrew hole is formed in the bracket body and communicates with the rectangular through hole; and two ears extending from the bracket body to form a head gap between the ears and each having a pivot hole formed through the ear; and the bushing extends through the pivot holes in the ears; an adjusting device mounted in the doorstop bracket and comprising an adjustment block, a setscrew, a lock and a first coil spring, wherein the adjustment block has a left surface facing the threaded setscrew hole in the bracket body, a right surface facing the right inner surface of the rectangular through hole and an inclined surface and is mounted in the rectangular through hole in the bracket body; the setscrew screws into the threaded setscrew hole in the bracket body and has a free end abutting against the left surface of the adjustment block; the first coil spring is mounted between the right surface of the adjustment block and the right inner surface of the rectangular through hole; and the lock is moveably received in the rectangular through hole and has a rear surface and a front surface, wherein the rear surface is an inclined surface abutting with the inclined surface on the adjustment block, and the front surface is a striated surface; an internal doorstop pivotally connected to the doorstop bracket and comprising a head, a second coil spring, two third coil springs, two holders and a stop rod, wherein the head is pivotally mounted around the bushing in the head gap between the ears on the doorstop bracket and comprises a central pivot hole for the busing extending through the central pivot hole, a round surface, a rear surface, detents, a neck extending from the rear surface of the head and into the rectangular through hole in the bracket body and a striated surface, wherein the detents are formed parallel on the round surface; the neck has a proximal end and a distal end and extends from the rear surface of the head; and the striated surface is formed on the distal end of the neck and abuts the striated front surface of the lock; the second coil spring is mounted between the striated surfaces of the head and the front surface of the lock; the stop rod has two ends and a circular portion selectively held in one of the detents on the head; each of the two holders abuts against the stop rod and has a circular shaft and a head with a transverse mounting slot to received one end of the stop rod; and the third coil springs respectively abut against the heads of the holders; a hinge assembly pivotally connected to the doorstop bracket and comprising a right hinge leaf, a left hinge leaf and a central hinge pin, wherein the right hinge leaf has two arms with a U-shaped gap formed between the two arms, and each arm has a pivot hole; the left hinge leaf is securely connected to the right hinge leaf and has two arms with a U-shaped gap formed between two arms to accommodate the doorstop bracket in the U-shaped gap in cooperation with the U-shaped gap between the arms of the right hinge leaf; and the central hinge pin has two ends and flutes formed on one end and rotatably extends through the pivot holes in the arms of the right hinge leaf and the bushing, wherein the flutes are formed in one end of the central pivot pin engage with one of the pivot holes in the arms of the right hinge leave and securely hold the central pivot pin.