Patent attributes
The disclosed embodiments are directed to a protective shutter assembly that includes a registration member having longitudinal and lateral axes, first and second shutter members slidably mounted in the registration member, each shutter member including a ramp member and a receptacle blocking member, the ramp member being configured to lie in a path of a first receptacle opening and the receptacle blocking member being configured to lie in a path of a second receptacle opening, spring members connected between the registration member and respective ones of the first and second shutter members, the spring members being configured to bias the first and second shutter members so that the ramp members lie in a path of a respective receptacle opening, and wherein the first and second shutter members are independently movable such that when an object exerts a force on only one ramp member, a respective shutter member moves relative to the other shutter member such that the one ramp member is longitudinally displaced allowing the object to contact the receptacle blocking member of the other shutter member.