Means for producing swimming pools

Claim 1

APPARATUS FOR PRODUCING SWIMMING POOLS AND THE LIKE COMPRISING IN COMBINATION: (A) A PLURALITY OF FORMS HAVING UNIFORM VERTICAL DIMENSIONS AND AT LEAST SOME OF WHICH HAVE THE SAME TRANSVERSE DIMENSION, (B) SAID FORMS HAVING VERTICALLY MOUNTED, REINFORCING END ATTACHING STRIPS IN THE FORM OF ANGLES, SAID STRIPS SPACED FROM VERTICAL EDGES OF SAID FORMS, (C) A PLURALITY OF DROP-ARM ASSEMBLIES, EACH ASSEMBLY HAVING A SUBSTANTIALLY RIGHT ANGLE CHANNULAR FRAME COMPRISING; (1) A DOWNWARDLY EXTENDING VERTICAL PORTION DISPOSED BETWEEN ATTACHING STRIPS ON ABUTTING FORMS AND DEFINING APERTURES IN THE SIDES THEREOF TO ALIGN WITH APERTURES DEFINED BY SAID ATTACHING STRIPS, (2) A HORIZONTAL PORTION ADAPTED TO RECEIVE SECURING MEANS AND LEVELING MEANS, (D) A PLURALITY OF LOCKING DOGS, EACH DOG HAVING: (1) A PIN EXTENDING THROUGH THE ALIGNED APERTURES OF ONE OF SAID ATTACHING STRIP AND ONE SIDE OF SAID DROP-ARM ASSEMBLY, AND (2) A LOCKING RECESS INTO WHICH SAID ATTACHING STRIP AND DROP-ARM ASSEMBLY ENGAGE, THEREBY TO JOIN SAID DROP-ARM ASSEMBLY TO SAID FORM, (E) WHEREBY SAID FORMS ARE SECURED AND SUSPENDED IN MUTUALLY ABUTTING RELATION TO PROVIDE A CONTINUOUS FORM.