Patent ID: 6990772
Filing Date: 2006-01-31
Classification: E05D,E05F,E05Y,Y10T

Abstract:
1. In combination with a door having an upper end and a lower end and a door frame having a top end and a bottom end and comprising a side jamb, mounting means for pivotally attaching said door to said side jamb; said mounting means comprising first and second cam members each having an inclined helically curved end surface, another end surface opposite said helically curved end surface, and an inner surface defining an axial through bore, a first bracket having flat opposite side surfaces and comprising a first portion having one of its flat side surfaces facing and extending parallel to said side jamb and a second portion that extends at a right angle to said first portion, said second portion of said first bracket having an opening therein, means for securing said first portion of said bracket to said side jamb adjacent said top end of said door frame, at least two screws releasably securing said first cam member to said second portion of said first bracket with said inclined helically curved end surface of said first cam member facing up, said at least two screws extending through holes in said second portion of said first bracket into threaded holes in said another end surface of said first cam member, said first cam member being spaced from said side jamb, a first door post, means for securing said first door post to said door adjacent said upper end of said door, said first door post extending vertically through and being rotatable in said opening in said second portion of said first bracket and said axial bore of said first cam member, said first door post having an upper end that projects above said helically curved end surface of said first cam member, screw means securing said second cam member to said upper end of said first door post with said inclined helically curved end surface of said second cam member confronting and engaging said inclined helically curved end surface of said first cam member, said screw means comprising a first screw thread on said upper end of said first door post engaged with a second screw thread on said inner surface of said second cam member, and means for locking said second cam member to said first door post; and said mounting means further comprising a second door post, means for securing said second door post to said door in spaced relation to and in coaxial relation with said first door post, a second bracket attached to said side jamb adjacent the bottom end of said door frame, and means for rotatably coupling said second door post to said second bracket.