Patent ID: 7475946

Claim:
An office chair mounted on a movable base having an armrest that can be raised and lowered comprising: (a) said office chair having a back; (b) a bracket mounted on the back of said office chair at least about six inches above the plane of the top of the seat of said office chair, said bracket having a cavity; (c) an armrest support having a first portion rotatably mounted within said bracket cavity and a second portion extending from said bracket to a position selected from the group consisting of the right and the left of a user wherein said user is positioned on the seat of said office chair and is facing away from the back of the chair; (d) an armrest body mounted on the end of said armrest support distal to said bracket; (e) a rotation lock which, when engaged, prevents said armrest support from rotating within said bracket, said rotation lock mounted in said bracket; and (f) a rotation lock release member having a switch positioned on said armrest support near said armrest body.