Patent ID: 7832056
Filing Date: 2010-11-16
Classification: E05D,E05Y,H04M,H05K,Y10T

Abstract:
1. An opening-closing device comprising: a fixed holder; a fixed body connected to the fixed holder and including a fixed gear; a movable holder; a movable body connected to the movable holder and including a movable gear; a conversion gear engaged with the fixed gear; a relay gear engaged with the conversion gear and the movable gear; a first locking plate coupled to the fixed gear, the first locking plate rotatably coupled to the fixed holder via a fixed shaft, the first locking plate further being pivotably coupled to the fixed shaft; a first locking portion formed at one of the fixed body and the fixed holder; and a first engaging portion projecting outwardly from the first locking plate in a radial direction of the fixed shaft, the first locking plate interacting with the first engaging portion along a radial side, wherein when the movable holder is opened from a closed position to a first predetermined angle with respect to the fixed holder the first engaging portion engages the first locking portion such that the movable holder is not openable beyond the first predetermined angle with respect to the fixed holder unless the movable holder is partially closed from the first predetermined angle, and when the movable holder is partially closed from the first predetermined angle the first engaging portion disengages from the first locking portion such that the movable holder is openable to a second predetermined angle greater than the first predetermined angle.