US Patent 7273241 Door latch actuator

A door latch actuator includes a housing, a latch bolt pin actuator, and a spring latch bolt actuator. The housing includes a strike plate defining a latch opening. The latch bolt pin actuator is mounted for movement in the housing between a first extended position and a second retracted position. The spring latch bolt actuator is mounted for movement in the housing between an extended position and a retracted position.