House with mobile ladder gate

Claim 1

A BUILDING STRUCTURE COMPRISING A PLATFORM, PILLARS SUPPORTING SAID PLATFORM ABOVE THE GROUND AT A HEIGHT SUFFICIENT TO ALLOW A VEHICLE TO BE POSITIONED BENEATH THE PLATFORM, AN ENCLOSED BUILDING ON SAID PLATFORM, AT LEAST TWO OF THE PILLARS BEING SPACED LATERALLY SUFFICIENTLY TO PERMIT THE VEHICLE TO MOVE THEREBETWEEN THEM, MEANS ASSOCIATED WITH THE REMAINING PILLARS FOR BLOCKING MOVEMENT OF THE VEHICLE BETWEEN THE REMAINING PILLARS, SAID BUILDING HAVING A DOOR THEREIN ABOVE THE SPACE BETWEEN SAID AT LEAST TWO PILLARS, A STAIRWAY SLIDABLY MOUNTED ON SAID PLATFORM AND EXTENDING TO THE GROUND AND SLIDABLE FROM A POSITION IN ALIGNMENT WITH SAID DOOR AND BLOCKING SAID SPACE BETWEEN SAID AT LEAST TWO PILLARS TO A POSITION OUT OF ALIGNMENT WITH SAID DOOR AND AWAY FROM SAID SPACE, DOOR LOCKING MEANS MOVABLY MOUNTED BETWEEN SAID PLATFORM AND SAID DOOR AND ENGAGED BY SAID STAIRWAY FOR UNLOCKING WHEN SAID STAIRWAY IS IN ALIGNMENT WITH SAID DOOR, AND STAIRWAY LOCKING MEANS COUPLED TO SAID STAIRWAY AND OPERABLE FROM WITHIN SAID BUILDING FOR LOCKING SAID STAIRWAY AGAINST MOVEMENT.