Telescopic mast with underground storage

Claim 1

A TELESCOPIC MAST COMPRISING: A CUP-SHAPED HOUSING WITH AN OPEN TOP END AND A CLOSED BOTTOM END, A PLURALITY OF TUBULAR MEMBERS TELESCOPICALLY FITED TOGEHER WITH THE TOP END OF THE LARGEST TUBULAR MEMBER SECURED TO AND EXTENDING THROUGH THE BOTTOM OF SAID CUP-SHAPED HOUSING, A CAP SECURED TO THE TOP END OF THE SMALLEST TUBULAR MEMBER, SAID TUBULAR MEMBERS INTERMEDIATE SAID TOP AND BOTTOM MEMBERS HAVING ONE SIDE PORTION ADJACENT THEIR TOP ENDS BENT LATERALLY OUTWARDLY, A PLURALITY OF NONRIGID RETAINING MEMBERS ONE ENDDOF EACH OF WHICH ARE SECURED TO A RESPECTIVE ONE OF SAID LATERALLY BENT PORTIONS OF SAID TUBULAR MEMBERS, A PLURALITY OF GENERALLY LSHAPED PINS RESPECTIVE ONES OF WHICH ARE SECURED TO RESPECTIVE ONES OF SAID NON-RIGID RETAINING MEMBERS, EACH OF SAID TUBULAR MEMBERS WHICH PROJECT OUT OF SAID LARGEST TUBULAR MEMBER HAVING ALIGNED OPENINGS THROUGH OPPOSITE SIDEWALLS ADJACENT THE LOWER ENDS THEREOF, THE UPPER PORTION OF SAID ALIGNED OPENINGS ACTING AS ABUTMENT SURFACES AND THE UPPER PORTIONS OF EACH OF SAID INTERMEDIATE TUBULAR MEMBERS HAVING UPWARDLY FACING ABUTMENT SURFACES OPPOSITE WHICH SAID ALIGNED OPENINGS OF THE TUBULAR MEMBER TELESCOPED THEREIN CAN BE POSITIONED, SAID L-SHAPED PINS HAVING A LATERAL LEG ADAPTED TO BEAR AGAINST SAID UPWARDLY FACING ABUTMENT SURFACES OF THE TUBULAR MEMBER TO WHICH THE PIN IS ATTACHED AND EXTEND THROUGH ALIGNED OPENINGS OF THE TUBULAR MEMBER WHICH IS SLIDINGLY RECEIVED IN THE TUBULAR MEMBER TO WHICH THE PIN IS ATTACHED,