Floating spline seat

Claim 1

A CONNECTING JOINT FOR A MULTI-COMPONENT BUILDING COMPRISING: (A) A PAIR OF STRUCTURAL MEMBERS HAVING ELONGATED EDGE SURFACES IN CLOSE FACE-TO-FACE RELATIONSHIP; (B) A SPLINE CONNECTOR MEANS COMPARATIVELY RIGIDLY FIXED TO ONE OF SAID MEMBERS AND EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH OF SAID ABUTTING EDGE SURFACES; (C) AN ELONGATED SLOT HAVING SUBSTANTIALLY PARALLEL WALL EDGES AT SAID EDGE SURFACE OF THE OTHER OF SAID MEMBERS, THE DISTANCE BETWEEN THE SLOT WALL EDGES BEING LESS THAN THE WIDTH OF THE ABUTTING EDGE SURFACE OF SAID ONE MEMBER; (D) SAID SPLINE CONNECTOR MEANS EXTENDING FROM SAID ONE MEMBER INTO THE ELONGATED SLOT OF SAID OTHER MEMBER AND HAVING SUBSTANTIALLY PARALLEL, FLAT WALL SURFACES THAT ARE SPACED APART A DISTANCE SMALLER THAN THE DISTANCE BETWEEN SAID SLOT WALL EDGES; (E) A SEAT MEMBER LOCATED IN THE SLOT OF SAID OTHER MEMBER AND HAVING A SLOT WITH SUBSTANTIALLY PARALLEL WALLS SPACED APART AND CONSTRUCTED TO LOCKINGLY ENGAGE A PORTION OF THE SPLINE CONNECTOR MEANS EXTENDING INTO THE ELONGATED SLOT OF SAID OTHER MEMBER; AND (F) MEANS FOR MOUNTING SAID SEAT MEMBER FOR LIMITED MOVEMENT RELATIVE TO SAID OTHER MEMBER IN A DIRECTION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID ELONGATED SLOT TO REDUCE TOLERANCE REQUIREMENTS FOR THE COMPONENTS IN THE SYSTEM.