Patent ID: 6948775
Filing Date: 2005-09-27
Classification: A47C

Abstract:
1. An office chair armrest comprising: a support rod capable of being combined with one side of an office chair and having a fixed seat disposed at an upper end thereof and a positioning plate mounted in said fixed seat, said positioning plate having a protrusion disposed thereon and a slide block disposed at an upper end of said protrusion and provided with a threaded hole; a base capable of being assembled on said fixed seat of said support rod and having a chamber disposed therein, said chamber having at least one guide rail disposed therein and an elongated slot formed therein and extending through a bottom thereof, said at least one guide rail each provided with a plurality of engagement grooves; a locating seat capable of being assembled in said chamber of said base and having a recess disposed therein and at least one recessed groove disposed on a bottom surface thereof, said recess having a plurality of engagement grooves disposed on a wall surface thereof and an axle hole formed therein, said at least one recessed groove each having at least one depression disposed therein and a fixing plate affixed thereto, said at least one depression each having a spring, a retaining block and an engagement block orderly fitted therein; a mounting seat capable of being assembled in said recess of said locating seat and having an axle journal disposed at a bottom surface thereof, a through hole formed therein and at least one recessed groove disposed on said bottom surface thereof, said through hole extending through said axle journal and capable of being passed through by a screw member, said at least one recessed groove each having a depression disposed therein and a fixing plate affixed thereto, said depression having a spring, a retaining block and an engagement block orderly fitted therein; and, an upper cover capable of being assembled on said base.