Concrete wall form installation

Claim 1

A CONCRETE FORM INSTALLATION FOR PRODUCING, IN A BUILDING CONSTRUCTION, A HORIZONTAL FLOOR SLAB, SAID INSTALLATION COMPRISING A PLURALITY OF SPACED APART VERTICAL SHORES ARRANGED IN SPACED PARALLEL ROWS EXTENDING LONGITUDINALLY OF THE INSTALLATION, SAID SHORES BEING VERTICALLY ADJUSTABLE AND HAVING THEIR UPPER END BRACKETS EACH OF WHICH EMBODIES A PAIR OF HORIZONTAL CHANNEL-SHAPED LEDGE-FORMING MEMBERS EXTENDING OUTWARDS IN OPPOSITE DIRECTIONS AND LENGTHWISE OF THE INSTALLATION, A SERIES OF ELONGATED NARROW STRINGERS ARRANGED IN END-TO-END RELATIONSHIP AND SUBSTANTIAL CONTIGUITY AND ALIGNMENT, HAVING THE ENDS THEREOF MOUNTED IN AND CONNECTED REMOVABLY TO SAID LEDGE-FORMING MEMBERS OF THE BRACKETS ON THE UPPER ENDS OF THE SHORES OF EACH ROW, AND BRIDGING THE DISTANCES BETWEEN ADJACENT SHORES OF THE ROW, SAID STRINGERS BEING IN THE FORM OF I-BEAMS AND PRESENTING UPPER EDGE SURFACES WHICH LIE IN A COMMON HORIZONTAL PLANE, A PLURALITY OF FORM PANELS DISPOSED BETWEEN EACH SERIES OF ALIGNED STRINGERS AND PRESENTING PANEL FACINGS WHICH LIE IN SAID HORIZONTAL PLANE AND, IN COMBINATION WITH SAID UPPER EDGE SURFACES OF THE STRINGERS, DEFINE A SMOOTH UNBROKEN UPWARDLY FACING SLAB-SUPPORTING SURFACE UPON WHICH THE WET CONCRETE OF THE SLAB IS ADAPTED TO BE POURED, HORIZONTAL SUPPORTING RAILS MOVABLY MOUNTED ON THE SIDES OF THE STRINGERS AND CAPABLE OF LIMITED VERTICAL MOVEMENTS BETWEEN A RAISED PANEL-SUPPORTING POSITION AND A LOWERED PANEL-RELEASING POSITION, SAID RAILS, WHEN IN THEIR RAISED POSITIONS, PRESENTING UPWARDLY FACING PANEL-SUPPORTING SURFACES WHICH ARE SPACED DOWNWARDLY FROM SAID HORIZONTAL PLANE A DISTANCE EQUAL TO THE THICKNESS OF THE PANELS SUPPORTED ON SUCH SURFACES, AND MEANS FOR RELEASABLY SUPPORTING SAID SUPPORTS IN THEIR RAISED POSITION.