Patent ID: 6877813
Filing Date: 2005-04-12
Classification: A47C

Abstract:
1. An adjustable armrest for a chair comprising: a housing having a cavity defined by a wall; a support member having a rack spaced from said wall and defining a surface forming a first oblique angle with said wall; and a locking device disposed in said cavity, said locking device comprising a latch member slideably mounted in said cavity, said latch member comprising a wedge shaped portion having a first and second surface forming a second oblique angle between them and a protuberance shaped to selectively engage said rack, said protuberance disposed on said first surface and said second surface slideably engaging said wall of said housing; wherein said latch member is moveable between an engaged position wherein said protuberance selectively engages said rack and a disengaged position wherein said protuberance is disengaged from said rack, and wherein said second surface of said latch member is slidable along said wall between said engaged and disengaged positions.