Concrete wall form panel units and connecting means therefor

Claim 1

IN A CONCRETE WALL FORM STRUCTURE, IN COMBINATION, A PAIR OF ALIGNED CONTIGUOUS PREFABRICATED SIMILAR PANEL UNITS DISPOSED IN EDGE-TO-EDGE AND UPSTANDING RELATIONSHIP, EACH PANEL UNIT EMBODYING A PAIR OF OPPOSED VERTICAL MARGINAL FRAME MEMBERS, A PANEL FACING BRIDGING THE DISTANNCE BETWEEN SAID FRAME MEMBERS, AND A HORIZONTAL CROSS MEMBER ALSO BRIDGING THE DISTANCE BETWEEN THE FRAME MEMBERS AND SECURED AT ITS ENDS TO SAID FRAME MEMBERS, EACH PANEL UNIT HAVING ONE OF ITS MARGINAL FRAME MEMBERS ABUTTING THE ADJACENT MARGINAL FRAME MEMBER OF THE OTHER PANEL UNIT THROUGHOUT THE LENGTH THEREOF, THERE BEING A HOLE IN EACH OF THE ABUTTING FRAME MEMBERS A SUBSTANTIALLY THE SAME HEIGHT IN THE WALL FORM AND A SMALL DISTANCE AWAY FROM THE ASSOCIATED CROSS MEMBER WHEREBY THE TWO HOLES ARE IN REGISTRY, AN ELONGATED BOLT POSITIONED ADJACENT TO, AND IN PARALLEL RELATION WITH, THE CROSS MEMBER OF ONE PANEL UNIT, SLIDABLE LENGTHWISE IN A PATH WHICH IS IN ALIGNMENT WITH THE REGISTERING HOLES, AND MOVABLE BODILY BETWEEN A RETRACTED REAR POSITION WHEREIN THE BOLT IS MOVED WITHIN THE CONFINES OF SAID ONE PANEL UNIT AND AN ADVANCED FORWARD POSITION WHEREIN THE FORWARD END PORTION OF THE BOLT IS PROJECTED THROUGH BOTH OF THE REGISTERING HOLES AND EXTENDS INTO THE CONFINES OF THE OTHER PANEL UNIT, SAID BOLT BEING PROVIDED WITH A FIRST ELONGATED SLOT IN THE REAR END PORTION THEREOF, A FIRST ANCHOR POST MOUNTED ON THE CROSS MEMBER OF SAID ONE PANEL UNIT AND PROJECTING THROUGH SAID SLOT FOR GUIDING THE REAR END PORTION OF THE BOLT IN SAID PATH, THE FORWARD END PORTION OF THE BOLT BEING GUIDED IN THE HOLE IN SAID ONE PANEL UNIT, A SHOULDER ON THE BOLT ENGAGEABLE WITH THE MARGINAL FRAME MEMBER OF SAID ONE PANEL UNIT FOR ESTABLISHING THE FORWARD POSITION OF THE BOLT, THERE BEING AN ELONGATED SLOT IN THE FORWARD END PORTION OF THE BOLT, A SECOND ANCHOR POST MOUNTED ON THE CROSS MEMBER OF THE OTHER PANEL UNIT, A WEDGE-SUPPORTING ARM PIVOTED TO SAID SECOND ANCHOR POST TO FREE TO SWING ABOUT AN AXIS EXTENDING NORMAL TO THE GENERAL PLANE OF SAID OTHER PANEL UNIT, A TAPERED WEDGE ON THE DISTAL END OF THE ARM, SAID ARM BEING MOVABLE BETWEEN A RETRACTED POSITION WHEREIN THE WEDGE IS REMOTE FROM THE PROJECTED FORWARD END PORTION OF THE BOLT AND AN ADVANCED POSITION WHEREIN THE WEDGE IS PROJECTED INTO SAID SECOND SLOT IN BINDING ENGAGEMENT WITH THE ADJACENT FRAME MEMBER AND ONE END OF THE SECOND SLOT FOR DRAWING SAID PANEL UNITS HARD AGAINST EACH OTHER.