Joint preassembling jig

Claim 1

FOR USE IN JOINING A PAIR OF MEMBERS ALONG ELONGATED SURFACES THEREOF WITH AN ELONGATED FASTENER HAVING A PLURALITY OF LONGITUDINALLY AND LATERALLY SPACED TEETH INCLINED TO THE LONGITUDINAL AXIS OF THE FASTENER, THE JOINING BEING ACCOMPLISHED BY LATERALLY INSERTING THE FASTENER INTO OPPOSED SLOTS IN THE ELONGATED SURFACES UNTIL THE FASTENER TEETH ARE IN ENGAGEMENT THEREWITH AND BY DISPLACING THE FASTENER LONGITUDINALLY IN THE SLOTS, A JIG FOR PREASSEMBLING THE FASTENER AND SAID PAIR OF MEMBERS COMPRISING A BODY HAVING AN ELONGATED DEPENDING PORTION ADAPTED FOR INSERTION BETWEEN A PAIR OF LATERALLY SPACED MEMBERS, A PLURALITY OF LONGITUDINALLY SPACED MAGNETS FIXED ON THE UNDERSIDE OF THE DEPENDING PORTION ADAPTED FOR MAGNETICALLY HOLDING THE FASTENER THEREON, SAID BODY FURTHER HAVING AN ELONGATED GUIDE PORTION PROVIDING OPPOSITELY PROJECTING ELONGATED LIPS ENGAGEABLE WITH THE LATERALLY SPACED MEMBERS FOR POSITIONING THE MAGNETICALLY SUPPORTED FASTENER IN ALIGNMENT WITH THE OPPOSED SLOTS THEREOF, AND MEANS ON SAID BODY PROVIDING A FIRST ABUTMENT ENGAGEABLE WITH THE LATERALLY SPACED MEMBERS FOR LONGITUDINALLY POSITIONING THE JIG WITH RESPECT THERETO AND A SECOND ABUTMENT ENGAGEABLE BY THE END OF THE FASTENER FOR LONGITUDINALLY POSITIONING THE FASTENER WITH RESPECT TO THE JIG.