Hinge stay mechanism

Claim 1

A LOCKING STAY COMPRISING A FIRST MEMBER AND A SECOND MEMBER CONNECTED TOGETHER BY CONNECTING MEANS WHICH PERMITS, BETWEEN THE MEMBERS, A DEFINED RELATIVE MOVEMENT IN A FORWARD AND A REVERSE DIRECTION, EACH MEMBER BEING FORMED WITH A SURFACE OVERLYING A SURFACE OF THE OTHER MEMBER AND MOVABLE THEREOVER DURING SAID RELATIVE MOVEMENT OF THE MEMBERS, THE SAID SURFACE OF AT LEAST ONE OF THE MEMBERS BEING ONE SIDE OF A SHEET-LIKE PORTION OF THAT MEMBER, AND EACH OF THE SAID SURFACES BEING FORMED WITH A SLOT PARTIALLY OVERLYING AND IN REGISTER WITH THE SLOT OF THE OTHER SURFACE, THE SLOT FORMED IN THE SAID SURFACE OF THE SAID ONE MEMBER BEING FORMED BY PUNCHING OUT A PIECE OF THE MATERIAL OF THE SAID SHEETLIKE PORTION AND THE SAID PIECE BEING INCOMPLETELY PUNCHED OUT AND BEING PERIPHERALLY INTEGRAL WITH THE REMAINDER OF THE SHEET-LIKE PORTION, THEREBY CONSTITUTING A COVER FOR THE SLOT OF THE SAID ONE MEMBER, THERE BEING PROVIDED, YIELDINGLY CONSTRAINED TO MAINTAIN ITS INSTANTANEOUS POSITION BUT OTHERWISE FLOATING, A DOUBLE-ENDED PAWL HAVING ITS THICKNESS ACCOMMODATED PARTLY IN ONE SLOT AND PARTLY IN THE OTHER SLOT, THE SLOTS BEING FORMED WITH BOUNDING WALLS SO SHAPED THAT ON SUCCESSIVE RELATIVE MOVEMENTS OF THE MEMBERS ALTERNATELY IN THE FORWARD DIRECTION AND IN THE REVERSE DIRECTION THE PAWL IS CAMMED BY THE WALLS SUCCESSIVELY INTO PROGRESSIVELY ROTATED POSITIONS, THE PAWL BEING ENGAGED BY THE WALLS OF THE TWO SLOTS, IN A FIRST AND A THIRD OF SAID ROTATED POSITIONS, TO PREVENT FURTHER RELATIVE MOVEMENT OF THE MEMBERS IN THE FORWARD DIRECTION AND, IN THE SECOND OF SAID ROTATED POSITIONS, TO PREVENT FURTHER RELATIVE MOVEMENT IN THE REVERSE DIRECTION, AND THE PAWL, IN THE FOURTH OF ITS SAID ROTATED POSITIONS, BEING GENERALLY ALIGNED WITH THE PERMITTED DIRECTION OF RELATIVE MOVEMENT AND WITH AN EXTENSION IN THAT DIRECTION OF AT LEAST LEAST ONE OF THE SLOTS, SAID EXTENSION PERMITTING MOVEMENT OF THE EXTENDED SLOT AND OF THE ASSOCIATED MEMBER RELATIVE TO THE ALIGNED PAWL AND THE OTHER MEMBER, IN THE REVERSE DIRECTION TO A RELATIVE POSITION OF THE MEMBERS WHICH IS SUBSTANTIALLY DISPLACED, IN THE REVERSE DIRECTION OF RELATIVE MOVEMENT, FROM THEIR RELATIVE POSITION AS LIMITED, IN THAT DIRECTION, BY THE PAWL IN ITS SAID SECOND ROTATED POSITION.