Transversely movable hinge

Claim 1

A SWINGABLE STOOL MOUNTED ON THE SIDE OF A BENCH, INCLUDING: I. A HINGE MEANS ATTACHED TO SAID BENCH, II. AN ARM SUBSTANTIALLY VERTICALLY PIVOTED BY SAID HINGE MEANS FOR SUBSTANTIALLY HORIZONTALLY SWINGING MOVEMENT, SAID ARM HAVING MOUNTED THEREON A. A STOOL SEAT AND B. A DEPENDING LEG NORMALLY JUST CLEARING THE FLOOR UPON WHICH THE BENCH RESTS, SAID HINGE COMPRISING; (1) PIVOT MEANS FOR SAID ARM, (2) A ROCKING PLATE MOVABLE WITH RESPECT TO BOTH SAID ARM AND SAID BENCH AND HAVING (A) BEARING MEANS FOR SAID PIVOT MEANS, AND (B) A FIRST ROCKING SURFACE (3) A SECOND ROCKING SURFACE MOUNTED ON SAID BENCH FOR COOPERATING WITH SAID FIRST ROCKING SURFACE, (4) PIN MEANS EXTENDING THROUGH AND SUBSTANTIALLY PERPENDICULAR TO ONE OF SAID ROCKING SURFACES FOR CONNECTING SAID ROCKING PLATE TO SAID BENCH AND FOR PERMITTING TRANSVERSE MOVEMENT OF SAID PIVOT MEANS, AND (5) RESILIENT MEANS ASSOCIATED WITH SAID PIN MEANS FOR NORMALLY MAINTAINING SAID ARM WITH ITS SEAT AND LEG IN A FREELY SWINGING POSITION ABOUT SAID PIVOT MEANS ABOVE THE FLOOR AND WHEN WEIGHT IS APPLIED TO SAID SEAT SAID PLATE ROCK AGAINST THE ACTION OF SAID RESILIENT MEANS SO THAT SAID LEG CONTACTS THE FLOOR SO THAT SUBSTANTIALLY ALL OF SAID WEIGHT IS SUPPORTED BY SAID LEG AND FLOOR AND NOT BY SAID HINGE MEANS AND BENCH.