Patent attributes
A hinge for circumrotatory location includes a base, a locating gasket defining a pair of recesses thereon, a top cover defining a third groove in a bottom thereof. The base has a first groove, a second groove above the first groove. A retention slot connects the second groove and has two retention edges. A stop block is rotatably mounted in the retention slot and stretches into the second groove. The retention edges are capable of stopping the stop block. A pair of locating slots corresponding to the recesses are centrosymmetrically defined in the fundus of the third groove. A protrusion protrudes from the bottom of the top cover and adjacent to the third groove. The top cover lies above the locating gasket which is fitted to the first groove. The protrusion rotates around the second groove and is capable of being against two sides of the stop block.
