Position-and-lock jack

Claim 1

A POSITION-AND-LOCK JACK CONSTRUCTION COMPRISING A PAIR OF BLOCKS EACH HAVING FORMED THERETHROUGH A PLURALITY OF PASSAGES EACH OPPOSABLE IN COMMUNICATING RELATION WITH A PASSAGE IN THE OTHER BLOCK, A SPRING TERMINAL IN EACH OF SAID PASSAGES, MEANS REMOVABLY SECURING THE TERMINAL IN THE PASSAGE, MEANS FOR CONNECTING ONE END OF EACH TERMINAL TO A CONDUCTOR, THE TERMINALS IN OPPOSABLE PASSAGES CONSTITUTING PAIRS WITH ONE TERMINAL OF EACH PAIR HAVING THE END THEREOF OTHER THAN SAID ONE END SUBSTANTIALLY FLAT AND PROJECTING OUT OF THE PASSAGE AND WITH THE OTHER TERMINAL OF THE PAIR HAVING SAID OTHER END THEREOF TERMINATING WITHIN THE PASSAGE AND HAVING A PROTRUSION THEREON, SAID BLOCKS BEING MOVABLE TOWARD AND FROM EACH OTHER RESPECTIVELY TO AND FROM A POSITION WITH THE TERMINALS OF SAID PAIRS IN OVERLAPPING BUT OFFSET RELATION, MEANS FOR SHIFTING THE BLOCKS FROM SAID POSITION TO A SECOND POSITION WITH THE TERMINALS OF EACH PAIR DISPOSED IN STRESSED CONTACTING RELATION, AND MEANS TO LOCK THE BLOCKS IN SAID SECOND POSITION, SAID BLOCK SHIFTING AND LOCKING MEANS COMPRISING A PLURALITY OF CORRESPONDING APERTURES IN THE BLOCKS LOCATED TO EXTEND IN PAIRS PARTIALLY OFFSET BUT COMMUNICATING RELATION UPON POSITIONING OF THE BLOCKS TO BRING THE TERMINAL PAIRS INTO UNSTRESSED ENGAGEMENT AND TO EXTEND IN SUBSTANTIALLY REGISTERING PAIRS UPON DISPOSITION OF THE BLOCKS IN SAID SECOND POSITION THEREOF, AND A PLURALITY OF WEDGE MEMBERS EACH ENGAGEABLE IN A REGISTERING PAIR OF APERTURES TO HOLD THE BLOCKS IN THE SECOND POSITION, EACH OF SAID WEDGE MEMBERS BEING LONGITUDINALLY MOVABLE IN THE APERTURE PAIRS INTO THE COMMUNICATING OPENING BETWEEN THE APERTURES IN SAID PARTIALLY OFFSET RELATION TO EFFECT RELATIVE MOVEMENT OF THE BLOCKS TO THE SECOND POSITION.