Patent ID: 7837269

Claim:
An armrest, comprising: a height-adjustable armrest column; an arm support positioned on said armrest column, said arm support being asymmetrically constructed such that longitudinal sides of said arm support extend out different distances with respect to said armrest column; and a multi-function bearing head disposed on said armrest column and having adjustment mechanisms including a rotational adjustment mechanism, a longitudinal adjustment mechanism and a lateral adjustment mechanism for said arm support, said rotational adjustment mechanism enabling said arm support to be rotated by 360 degrees; said lateral adjustment mechanism having a platform section and a load bearing element laterally moveable to said platform section, said load bearing element supporting said longitudinal adjustment mechanism; said longitudinal adjustment mechanism having a linear sliding guide, said linear sliding guide having a longitudinal guide frame and a bearing block lying in said longitudinal guide frame, said rotational adjustment mechanism having a locking mechanism supported in said bearing block.