Tablet arm assembly

Claim 1

A COLLAPSIBLE WRITING TABLET ASSEMBLY IN COMBINATION WITH A CHAIR HAVING A FIXED ARM REST WHICH COMPRISES AN UPRIGHT STATIONARY ARM-SUPPORTING MEMBER, A CHAIR ARM REST SUPPORTED AT THE FRONT END THEREOF BY SAID ARM-SUPPORTING MEMBER, A TABLET SUPPORTING ARM PIVOTALLY ATTACHED AT THE REAR END THEREOF TO SAID ARM-SUPPORTING MEMBER, A FRONT SUPPORT BEARING AND A REAR SUPPORT BEARING INTEGRAL WITH AND PROJECTING OUTWARDLY FROM SAID TABLET SUPPORTING ARM, SAID FRONT AND REAR BEARINGS BEING AXIALLY ALIGNED, A HINGE ROD ROTATABLY JOURNALED IN SAID FRONT AND REAR SUPPORT BEARINGS AND MOVABLY AXIALLY THEREIN, FRONT AND REAR SUPPORT BRACKETS ATTACHED TO AND INTEGRAL WITH SAID HINGE ROD, A WRITING TABLET ATTACHED TO SAID SUPPORT BRACKETS, SAID BRACKETS AND WRITING TABLET BEING ADAPTED TO ROTATABLY AND AXIALLY MOVE WITH SAID HINGE ROD AND SAID HINGE ROD HAVING A FREE INNER END WITH THE WRITING TABLET IN A COLLAPSED POSITION, A HINGE ROD RECEIVING HOLE, LINED WITH WEAR-RESISTANT BEARING MATERIAL, LOCATED IN THE FIXED ARM REST AND ADAPTED TO RECEIVE THE INNER END OF AND SUPPORT SAID HINGE ROD IN SUBSTANTIAL ALIGNMENT WITH SAID CHAIR ARM, AND A COIL SPRING LOCATED ON SAID HINGE ROD WITH A PROJECTING END PORTION THEREON ADAPTED TO BIAS SAID WRITING TABLET TO A FLAT POSITION.