Horizontally stabilized foundation

Claim 1

IN COMBINATION A HORIZONTALLY EXTENDING RIGID FRAME ADAPTED TO BE DISPOSED OVER A LAYER OF ROCK, MEANS PROVIDING VERTICAL SUPPORT TO SAID FRAME AND MEANS PROVIDING HORIZONTAL STABILIZATION FOR SAID FRAME, SAID LAST NAMED MEANS COMPRISING A TRIPOD UNIT HAVING A CAP DISPOSED SUBSTANTIALLY IN THE PLANE OF SAID FRAME, A RIGID HORIZONTAL CONNECTION BETWEEN SAID CAP AND SAID FRAME FOR THE TRANSMISSION OF STRESSES FROM SAID FRAME TO SAID CAP, SAID TRIPOD UNIT COMPRISING THREE DOWNWARDLY DIVERGENT METAL SHELL CAISSONS, THE LONGITUDINAL AXIS OF EACH CAISSONS DIVERGING DOWNWARDLY FROM EACH OF THE LONGITUDINAL AXES OF THE OTHER TWO CAISSONS OF THE TRIPOD UNIT, SAID CAISSONS OF EACH UNIT EXTENDING BETWEEN SAID CAP AND SAID LAYER OF ROCK AND HAVING STEEL CORES THE LOWER ENDS OF WHICH EXTEND INTO SOCKETS CUT INTO SAID ROCK IN AXIAL LINE WITH THE CAISSONS, SAID LOWER ENDS OF THE CORES BEING BONDED TO THE SIDE WALLS OF SAID ROCK SOCKETS TO SUSTAIN TENSION OR COMPRESSION DEVELOPED IN THE CAISSONS IN THE DIRECTION OF THEIR LONGITUDINAL AXES RESPECTIVELY BY A HORIZONTALLY ACTING FORCE APPLIED TO THE CAP, THE UPPER ENDS OF SAID CAISSONS BEING RIGIDLY BONDED TOGETHER IN AND BY SAID CAP WHEREBY SAID TRIPOD UNIT RESISATS LATERAL DISPLACEMENT OF SAID FRAME IN SAID HORIZONTAL PLANE BY TENSION AND COMPRESSION FORCES ACTING LONGITUDINALLY OF THE CAISSONS, THE LONGITUDINAL AXES OF SAID CAISSONS DEFINING THREE EDGES OF A TETRAHEDRON WHOSE BASE IS THE TOP SURFACE OF SAID LAYER OF ROCK.