Four-way seat

Claim 1

SEAT ADJUSTING APPARATUS INCLUDING A TRACK AT EACH SIDE OF THE SEAT, A SLIDE MOUNTED ON EACH TRACK, BRACKETS AT THE REAR OF EACH SLIDE FOR CONNECTING THE REAR OF THE SEAT TO THE SLIDES, A CONNECTING MEMBER EXTENDING TRANSVERSELY OF THE SEAT BETWEEN THE SLIDES AT THE FRONT END THEREOF AND BRACKETS SECURED TO SAID CONNECTING MEMBER TO WHICH THE FRONT OF THE SEAT IS CONNECTED, STRUCTURE CONNECTED TO THE TRACKS AT EACH END THEREOF FOR MOVING THE TRACKS AT EACH SIDE OF THE SEAT UP AND DOWN SIMULTANEOUSLY ON ACTUATION THEREOF, ACTUATING STRUCTURE FOR ACTUATING THE STRUCTURE FOR MOVING THE TRACKS UP AND DOWN CONNECTED TO THE STRUCTURE FOR MOVING THE TRACKS UP AND DOWN, ACTUATING STRUCTURE FOR MOVING THE SLIDES LONGITUDINALLY OF SAID TRACK CONNECTED TO SAID CONNECTING MEMBER, A PAIR OF FIXEDLY MOUNTED SCREW MEMBERS, A NUT MEMBER MOUNTED ON EACH OF SAID SCREW MEMBERS FOR MOVEMENT THEREALONG ON ROTATION OF SAID SCREW MEMBERS EACH OF WHICH IS CONNECTED TO A SEPARATE ONE OF THE ACTUATING STRUCTURES, A WORM GEAR MOUNTED ON EACH OF THE SCREW MEMBERS FOR ROTATION WITH RESPECT THERETO AND IN MESH WITH EACH OTHER, A WORM IN MESH WITH ONE OF SAID WORM GEARS, MEANS FOR ROTATABLY DRIVING SAID WORM, CLUTCH MEANS SECURED TO EACH OF SAID SCREW MEMBERS FOR AXIAL MOVEMENT THEREALONG AND ROTATION THEREWITH, CONNECTING MEANS SECURED TO THE WORM GEARS FOR SELECTIVE ENGAGEMENT WITH SAID CLUTCH MEANS WHEREBY SAID SCREW MEMBERS MAY BE ROTATED THROUGH SAID WORM GEARS, AND MEANS FOR SELECTIVELY AND ALTERNATIVELY CONNECTING SAID CLUTCH MEANS AND CONNECTING MEANS TO ROTATE THE INDIVIDUAL SCREW MEMBERS TO ADJUST THE SEAT UP OR DOWN, OR BACKWARD OR FORWARDS.