Patent ID: 7254869
Filing Date: 2007-08-14
Classification: A45B,E04H,F16C,Y10T

Abstract:
1. A hinge coupling, comprising: a first connective section comprising a first hollow cylinder at one end with a first piece fastened therein, two parallel projections extending from one end of the first hollow cylinder, each projection having a bent end, a channel defined by the projections, an upper opening and a lower opening at an inner end of the channel, a bore interconnecting the upper opening and the lower opening, and a bar interconnecting the bent ends, the bar being not lain on a longitudinal axis defined by the first piece; and a second connective section comprising a second hollow cylinder, an extension projecting from one end of the second hollow cylinder, an intermediate recess for interrupting the second hollow cylinder, and a groove formed on a bottom of the recess wherein the bar is fastened in the groove by snapping through the recess, a second piece is inserted into the second hollow cylinder by passing over the bar, and the extension is inserted into the bore by counterclockwise pivoting about the bar and locking in the bore of the first connective section, whereby removing the extension from the bore by pressing the second connective section until the extension releasing from the bore, and clockwise pivoting the second connective section about the bar to a limit will dispose the second connective section to be parallel with the first connective section with a distance therebetween being minimum.