Folding seat arrangement

Claim 1

IN AN OPERATOR''S SEAT FOR USE IN A MOTORMAN''S CAB HAVING A CORNER POST AND AN EQUIPMENT SHELF, THE COMBINATION OF: MOUNTING BRACKET MEANS ADAPTED TO BE CONNECTED TO THE CORNER POST; A VERTICAL SUPPORT FRAME MOUNTED ON SAID BRACKET MEANS FOR SWINGING MOVEMENT ABOUT A VERTICAL AXIS LOCATED ADJACENT TO SAID CORNER POST BETWEEN AN OPERATIVE POSITION WHEREIN SAID FRAME EXTENDS DIAGONALLY INTO THE CAB AND A STOWED POSITION WHEREIN SAID FRAME EXTENDS BENEATH THE EQUIPMENT SHELF; SAID SUPPORT FRAME INCLUDING A VERTICAL MEMBER SPACED FROM SAID VERTICAL AXIS AND HAVING A TUBULAR UPPER END AND A FOOTPAD ON ITS LOWER END ADAPTED TO REST ON THE CAB FLOOR WHEN SAID SUPPORT FRAME IS IN SAID OPERATIVE POSITION; A SEAT CUSHION DISPOSED ABOVE SAID VERTICAL MEMBER; AND MEANS MOUNTING SAID SEAT CUSHION ON SAID SUPPORT FRAME FOR MOVEMENT THEREWITH BETWEEN SAID POSITIONS AND ALLOWING MOVEMENT OF SAID SEAT CUSHION RELATIVE TO SAID SUPPORT FRAME, WHEN SAID SUPPORT FRAME IS IN SAID OPERATIVE POSITION, BETWEEN A HORIZONTAL OPERATIVE POSITION AND A VERTICAL FOLDED POSITION PERMITTING STOWAGE BENEATH THE EQUIPMENT SHELF; SAID SEAT CUSHION MOUNTING MEANS COMPRISING A SUPPORT MEMBER TELESOCPICALLY AND ROTATABLY RECEIVED IN THE UPPER END OF SAID VERTICAL MEMBER, A CUSHION SUPPORT BRACKET PIVOTALLY MOUNTED ON SAID SUPPORT MEMBER, A COLLAR SLIDABLY AND ROTATABLY MOUNTED ON SAID VERTICAL MEMBER BENEATH THE TOP THEREOF, CUSHION SUPPORT BAR MEANS EXTENDING BETWEEN SAID COLLAR AND SAID CUSHION SUPPORT BRACKET, AND MEANS FOR HOLDING SAID COLLAR IN ITS SEAT SUPPORTING POSITION.