Patent ID: 8568152

Claim:
A shutter assembly for use in an electrical device, the electrical device including a housing assembly having at least one set of receptacle openings configured to receive a plug blade set, the plug blade set including a hot plug blade and a neutral plug blade, the assembly comprising: a base tandem member including a major base surface disposed between retainer walls, the major base surface including a hot contact aperture and a neutral contact aperture configured to accommodate the hot plug blade and the neutral plug blade, respectively, the base tandem member further including a base tandem key member; an inner tandem member disposed within the base tandem member and between the retainer walls, the inner tandem member including an inner tandem key member, the inner tandem member being configured to move within the base tandem member from a shutter closed position to a shutter open position when the base tandem key member and the inner tandem key member are simultaneously engaged by the hot plug blade and the neutral plug blade of the plug blade set; and an aligning retainer assembly coupled between the base tandem member and the inner tandem member, the aligning retainer assembly being configured to substantially limit both the latitudinal movement and the longitudinal movement of the inner tandem member within the base tandem member such that the inner tandem member is substantially prevented from being skewed when moving between the shutter closed position and the shutter open position.