Child's car seat

Claim 1

A CAR SEAT COMPRISING A TUBULAR FRAME, A BACK PORTION SECURED TO SAID FRAME, A SEAT PORTION SECURED TO SAID FRAME, MEANS FOR SECURING SAID FRAME TO AN AUTOMOBILE SEAT, A TUBULAR GUARD RAIL, MEANS FOR SECURING SAID GUARD RAIL TO SAID FRAME, SAID MEANS INCLUDING FIRST AND SECOND BRACKETS SLIDABLY ENGAGING SAID FRAME WITH ONE END OF SAID GUARD RAIL PIVOTALLY SECURED TO SAID FIRST BRACKET, SAID FIRST BRACKET BEING FREE TO ROTATE AROUND SAID FRAME, SAID SECOND BRACKET BEING ADAPTED TO ROTATE AROUND SAID FRAME, EACH OF SAID BRACKETS INCLUDING A SUBSTANTIALLY TUBULAR SLEEVE TELESCOPED OVER SAID TUBULAR FRAME, SAID SECOND BRACKET INCLUDING A PAIR OF SUBSTANTIALLY VERTICAL WALLS EXTENDING OUTWARDLY FROM SAID SLEEVE, SAID WALLS ADAPTED TO RECEIVE THE OTHER END OF SAID GUARD RAIL THEREBETWEEN, AT LEAST ONE OF SAID WALLS HAVING A HOLE FORMED THEREIN, SAID OTHER END OF SAID GUARD RAIL HAVING A RESILIENTLY MOUNTED, DEPRESSIBLE LOCKING PIN MOUNTED THEREIN, SAID PIN PROTRUDING OUT OF A HOLE FORMED IN THE GUARD RAIL AND BEING ADAPTED TO BE RECEIVE WITHIN SAID HOLE IN SAID VERTICAL WALL, MEANS ASSOCIATED WITH SAID GUARD RAIL FOR DEPRESSING SAID LOCKING PIN, SAID VERTICAL WALLS INCLUDING A RECESS AT THE OUTER ENDS THEREOF, SAID RECESS BEING ADAPTED TO SERVE AS A GUIDE FOR SAID DEPRESSING MEANS TO AID IN SEATING THE LOCKING PIN WITHIN SAID HOLE IN SAID VERTICAL WALL, SAID RECESS BEING OPENED AT ITS FRONT AND ITS TOP, WHEREBY THE GUARD RAIL MAY BE PIVOTED TO A VERTICAL POSITION AROUND SAID LOCKING PIN WITH SAID LOCKING PIN REMAINING ENGAGED WITHIN SAID HOLE IN SAID VERTICAL WALL.