Abstract: A hinge includes a housing member, a mounting member, a pivot shaft, which has a first connecting portion pivotally coupled to the housing member and a second connecting portion affixed to the mounting member, and a friction spring washer set mounted on the pivot shaft and secured to the housing member, each friction spring washer having a peripheral deformable portion and a peripheral notch in the peripheral deformable portion for releasing torque produced against the friction spring washers during rotary motion of the pivot shaft with the mounting member relative to the housing member.