Patent ID: 6826870
Filing Date: 2004-12-07
Classification: E05D,E05Y

Abstract:
An adjustable automatic positioning hinge for a glass door comprising:a doorframe bracket; a body securely attached to the doorframe bracket having a planar inside surface; two convex end surfaces; a spindle hole formed in the inside surface of the body; and a positioning assembly hole formed through the body from one convex end surface to the other convex end surface and having a center intersecting the spindle hole; a spindle inserted into the spindle hole and having a cylindrical surface; two planar-keyed surfaces being on opposite sides of the cylindrical surface and respectively corresponding to the positioning assembly hole; a first hole defined radially in the cylindrical surface of the spindle; and a second hole defined radially in the cylindrical surface of the spindle and at an angle with the first hole; two positioning assemblies inserted into the positioning assembly hole and each positioning assembly having a positioning cap with a closed end facing the planarâ€”keyed surfaces and an open end; a spring having two ends and one end of the spring mounted inside the open end of the corresponding positioning cap; and a threaded plug screwed into the positioning assembly hole and compressing the spring to hold the closed end of the positioning cap in a corresponding one of the planar-keyed surfaces of the spindle; a U-shaped male bracket pivoted with the body having an internal recess; an inside surface; a central protrusion formed on the inside surface and having an outside surface; two end surfaces; a spindle anchor hole defined in the outside surface of the central protrusion and being aligned with the spindle hole; and two setscrew holes defined respectively in opposite end surfaces of the central protrusion and communicated with the spindle anchor hole; and two setscrews screwed respectively into the setscrew holes to hold the spindle in position; a U-shaped female bracket screwed with the U-shaped male bracket and having an internal recess; an inside surface; and a U-shaped protrusion with a central recess corresponding to the central protrusion on the male bracket and formed on the inside surface of the U-shaped female bracket.