Counter-balancing mechanism for stereo sets

Claim 1

A COUNTER-BALANCING MECHANISM FOR SUPPORTING ONE MEMBER FOR PIVOTAL MOVEMENT RELATIVE TO A SECOND MEMBER, COMPRISING A STATIONARY BRACKET HAVING A PLATE SECURED TO THE SECOND MEMBER, AN OUTWARDLY OFFSET ARCUATE PORTION ON THE PLATE HAVING AN ARCUATE SLOT FORMED THEREIN, AN OUTWARDLY OFFSET CORNER OF THE PLATE GENERALLY OPPOSITE THE OFFSET PORTION HAVING AN OPENING THEREIN PROVIDING THE CENTER OF CURVATURE FOR SAID ARCUATE SLOT, A MOVABLE BRACKET SECURED TO THE FIRST MEMBER INCLUDING TWO ARMS IN A COMMON PLANE AND DISPOSED AT APPROXIMATE RIGHT ANGLES TO EACH OTHER, AN OFFSET PORTION AT THE JUNCTION OF THE TWO ARMS AND HAVING AN OPENING ALIGNED WITH THE OPENING IN THE CORNER OF THE STATIONARY BRACKET, PIVOTAL MEANS EXTENDING THROUGH THE ALIGNED OPENINGS JOINING THE BRACKETS TOGETHER, A FRICTION WASHER POSITIONED BETWEEN THE OFFSET PORTIONS AND ON THE PIVOTAL MEANS TO RESIST ROTATION BETWEEN THE BRACKETS, ONE OF SAID ARMS BEING SECURED TO THE FIRST MEMBER, THE SECOND ARM TERMINATING IN A FREE END HAVING AN OPENING ALIGNED WITH THE ARCUATE SLOT, AND SLIDE PIVOT SECURED TO THE SECOND ARM AND THE OFFSET ARCUATE PORTION ON THE STATIONARY BRACKET INCLUDING A FRICTION WASHER SANDWICHED BETWEEN THE SECOND ARM AND THE OFFSET ARCUATE PORTION AND HAVING A CENTRAL OPENING ALIGNED WITH SAID OPENING IN THE SECOND ARM AND THE SLOT, A SECOND FRICTION WASHER HAVING A CENTRAL OPENING ALIGNED WITH THE SLOT, SAID SECOND WASHER BEING POSITIONED BEHIND THE ARCUATE PORTION OF THE STATIONARY BRACKET, A SCREW PLAT HAVING A THREADED OPENING ALIGNED WITH THE ARCUATE SLOT, SAID SCREW PLATE ABUTTING SAID SECOND FRICTION WASHER, AND AN ADJUSTING SCREW EXTENDING THROUGH THE OPENING IN SAID SECOND ARM, FIRST FRICTION WASHER, ARCUATE SLOT AND SECOND FRICTION WASHER AND THREADINGLY ENGAGING THE OPENING IN SAID SCREW PLATE TO ADJUST THE FRICTIONAL RESISTANCE RETARDING MOVEMENT OF THE SLIDE PIVOT.