Pull-up arm rest for vehicle seats

Claim 1

IN A VEHICLE SEAT INCLUDING A SEAT BACK HAVING A FORWARDLY FACING RECESS, AND ARM REST MOVABLE BETWEEN A RETRACTED POSITION OCCUPYING SAID SEAT BACK RECESS AND A HORIZONTAL POSITION EXTENDING FORWARDLY FROM SAID SEAT BACK, A FIRST BRACKET MEMBER SECURED TO SAID SEAT BACK AND HAVING A PIVOTAL AXES SPACED VERTICALLY OF THE LOWER PORTION OF THE SEAT BACK RECESS TO DEFINE A FIXED LINK MEMBER, A SECOND BRACKET MEMBER SECURED TO AND PROVIDING PIVOTAL AXES SPACED VERTICALLY OF THE RETRACTED UPPER END PORTION OF SAID ARM REST AND DEFINING A SECOND LINK MEMBER OF SHORTER DIMENSION THAN SAID FIRST BRACKET MEMBER, A THIRD LINK MEMBER PIVOTALLY INTERCONNECTING THE LOWER PIVOT OF SAID FIXED BRACKET MEMBER AND THE LOWER RETRACTED AND FORWARD EXTENDED PIVOT OF SAID SECOND BRACKET MEMBER, A FOURTH LINK MEMBER PIVOTALLY INTERCONNECTING THE UPPER PIVOT OF SAID FIXED BRACKET LINK AND THE UPPER RETRACTED AND REARWARD EXTENDED PIVOT OF THE SECOND BRACKET MEMBER, AND ABUTMENT MEANS ENGAGEABLE WITH AT LEAST ONE OF SAID LINK MEMBERS TO LIMIT AND PREVENT FURTHER SWINGING MOVEMENT OF THE ARM REST UPON REACHING ITS EXTENDED POSITION.