Releasable coupling means

Claim 1

A RELEASABLE COUPLING FOR CONNECTING TWO BODIES WHICH COMPRISES ONE MEMBER CONNECTED ON ITS FACE TO ONE BODY TOWARD SAID ONE BODY ANOTHER MEMBER CONNECTED ON ITS FACE TO ANOTHER BODY TOWARD SAID OTHER BODY, SAID ONE MEMBER HAVING A CAVITY THEREIN OPENING TOWARD THE OTHER MEMBER INTO WHICH CAVITY THE OTHER MEMBER EXTENDS, THE ONE MEMBER HAVING SIDEWALLS DEFINING SAID CAVITY CONVERGINGLY TAPERED TOWARD ITS OPEN END, SAID OTHER MEMBER IN THE PORTION WITHIN SAID CAVITY BEING DIVERGINGLY TAPERED TOWARD ITS FREE END, THE LARGER END OF SAID OTHER MEMBER WITHIN SAID CAVITY HAVING A CROSSSECTIONAL AREA SMALLER THAN THE OPENING OF SAID CAVITY AND PASSABLE THROUGH SAID OPEN END OF SAID CAVITY, A MATERIAL FILLING SAID CAVITY BETWEEN SAID MEMBERS HAVING ONE STATE IN WHICH THE MATERIAL IS IN A RELATIVELY SOLID CONDITION POSSESSING LARGE COMPRESSIVE RESISTANCE FOR HOLDING SAID ONE MEMBER IN A FIXED POSITION RELATIVE TO SAID OTHER MEMBER, AND AN EXTERNAL CONDITIONING MEANS FOR CHANGING SAID MATERIAL FROM SAID ONE STATE TO ANOTHER STATE IN WHICH SAID MATERIAL LOSES ITS COMPRESSIVE RESISTANCE SUFFICIENT TO RELEASE SAID ONE MEMBER FROM SAID OTHER MEMBER.