Locking mechanism for folding seats

Claim 1

IN FOLDABLE VEHICLE SEAT STRUCTURE HAVING AUXILIARY FLOOR-FORMING PORTIONS ASSOCIATED THEREWITH, A VEHICLE SEAT MOVABLE IN A PIVOTAL PATH FROM A NORMAL OCCUPANT ACCOMMODATING POSITION TO A COLLAPSED AUXILIARY FLOORFORMING POSITION, AN AUXILIARY FLOOR-FORMING PLATE PIVOTALLY ASSOCIATED WITH SAID VEHICLE SEAT AND MOVABLE FROM A STORED POSITION WHEN SAID SEAT IS IN SEAT-FORMING POSITION TO AN AUXILIARY FLOOR-FORMING PLATE POSITION WHEN SAID SEAT IS IN AN AUXILIARY FLOOR-FORMING POSITION, LATCHING MEANS RESPONSIVE TO THE POSITION OF SAID SEAT TO LATCH SAID AUXILIARY FLOOR-FORMING PLATE, AND MEANS TO LOCK SAID SEAT IN SAID FLOOR-FORMING POSITION, SAID LATCHING MEANS COMPRISING A SPRING BIASED ABUTMENT MEMBER EXTENDING UPWARDLY INTO THE PATH OF SAID SEAT, A LATCHING MEMBER PIVOTALLY SECURED ADJACENT THE HORIZONTAL POSITION OF SAID AUXILIARY FLOOR-FORMING PORTIONS, A STRIKER MEMBER FIXED TO SAID FLOOR-FORMING PORTIONS AND ADAPTED TO ENGAGE SAID LATCHING MEMBER IN THE HORIZONTAL POSITION OF SAID FLOOR-FORMING PORTIONS, CONTROL MEANS LINKING SAID ABUTMENT MEMBER AND SAID LATCHING MEMBER FOR ENGAGING MOVEMENT THEREOF RELATIVE TO SAID STRIKER MEMBER AS SAID ABUTMENT MEMBER IS MOVED DOWNWARDLY BY MOVEMENT OF SAID SEAT TO THE AUXILIARY FLOOR-FORMING POSITION.