US Patent 10099622 Step assembly for a fire truck

A stair assembly for a vehicle includes a frame, a first stair 80, a second stair 70, and an actuator. The frame includes a plate extending between a first side member and a second side member. The first stair 80 is rotatably coupled to the frame and includes a first step body positioned on a first side of the plate. The second stair 70 is rotatably coupled to the frame and includes a second step body positioned on the first side of the plate. The actuator is configured to move the first stair 80 and the second stair 70 between a deployed position and a storage position, and the actuator is separated from the first step body and the second step body by the plate.