Partition structure

Claim 1

IN A PARTITION STRUCTURE, THE COMBINATION COMPRISING A FIRST U-SHAPED BASE CHANNEL ADAPTED TO BE FASTENED TO THE FLOOR OF A ROOM IN WHICH THE PARTITION STRUCTURE IS LOCATED, A SECOND U-SHAPED BASE CHANNEL TELESCOPED OVER SAID FIRST BASE CHANNEL, MEANS FOR FIXING SAID SECOND BASE CHANNEL RELATIVE TO SAID FIRST BASE CHANNEL IN ADJUSTED TELESCOPED RELATION, A FIRST U-SHAPED SIDE WALL CHANNEL ADAPTED TO BE FIXED TO THE WALL OF A ROOM IN WHICH THE PARTITION STRUCTURE IS LOCATED, A SECOND U-SHAPED SIDE WALL CHANNEL ADAPTED TO BE TELESCOPED OVER SAID FIRST SIDE CHANNEL, MEANS FOR FASTENING SAID SECOND SIDE CHANNEL IN ADJUSTED RELATION TO SAID FIRST SIDE CHANNEL, A FIRST U-SHAPED CEILING CHANNEL ADAPTED TO BE FIXED TO THE CEILING OF A ROOM IN WHICH THE PARTITION STRUCTURE IS LOCATED, A SECOND U-SHAPED CEILING CHANNEL TELESCOPED OVER SAID FIRST CEILING CHANNEL, MEANS FOR FASTENING SAID SECOND CEILING CHANNEL IN ADJUSTED TELESCOPED RELATION TO SAID FIRST CEILING CHANNEL, A PLURALITY OF WALL PANELS INTERPOSED BETWEEN SAID BASE, SIDE AND CEILING CHANNELS, EACH SAID SECOND BASE CHANNEL, SECOND SIDE CHANNEL, AND SECOND CEILING CHANNEL HAVING A LONGITUDINALLY EXTENDING RIB ON AN OUTER FACE THEREOF, THE ADJACENT EDGES OF SAID WALL PANELS HAVING COMPLEMENTARY GROOVES INTO WHICH SAID RIBS EXTEND, AND A JOINT ASSEMBLY BETWEEN ADJACENT EDGES OF SAID WALL PANELS COMPRISING A PAIR OF DIAMETRICALLY OPPOSED RATAINER MEMBERS EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH OF THE ADJACENT EDGES OF THE WALL PANELS, EACH SAID RETAINER MEMBER HAVING A LONGITUDINALLY EXTENDING RETAINING RIB ON AN OUTER FACE THEREOF, EACH ADJACENT WALL MEMBER HAVING A COMPLEMENTARY GROOVE INTO WHICH THE RIB ON THE RETAINER MEMBER EXTENDS, A PAIR OF MULLION MEMBERS EXTENDING LONGITUDINALLY SUBSTANTIALLY ALONG THE ENTIRE LENGHT OF THE RETAINER MEMBERS, SAID MULLION MEMBERS HAVING AT LEAST TWO ANGULARLY RELATED SURFACES ALONG THE EDGES THEREOF INTERENGAGING COMPLEMENTARY SURFACES ON THE EDGES OF SAID RETAINER MEMBERS, AND FASTENING MEANS EXTENDING BETWEEN OPPOSED MULLION MEMBERS FOR CLAMPING SAID MULLION MEMBERS AGAINST THE EDGES OF SAID RETAINER MEMBERS TO FORM A RIGID BOX-LIKE JOINT.