Patent ID: 6394553
Filing Date: 2002-05-28
Classification: A47C

Abstract:
An adjustable armrest assembly for a chair comprising:a first portion capable of being attached to said chair, said first portion comprising: a horizontal portion connected to said chair; and a vertical tubular portion connected to said horizontal portion, said tubular portion defining a plurality of recesses arranged in rows and columns thereon; a second portion coupled to said first portion such that said second portion can move simultaneously in two or more aspects with respect to said chair, said second portion comprising a hollow, generally cylindrical portion slideably and rotationally disposed about said vertical tubular portion of said first portion; and a locking mechanism to hold said second portion in a locked relationship with said first portion, said locking mechanism comprising: a first bar disposed within said hollow cylindrical portion, adjacent said vertical tubular portion, said first bar having a plurality of holes defined therein, such that said plurality of holes overlaps said plurality of recesses; a plurality of pins, slideably disposed within said plurality of holes defined in said first bar, such that said pins can engage a portion of said plurality of recesses; and a second bar, slideably disposed adjacent said first bar, said second bar slideable between two positions; wherein said second bar, when in said first position, locks said plurality of pins in engaging contact with a portion of said plurality of recesses, and wherein said second bar, when in said second position, allows said plurality of pins to disengage from said portion of said plurality of recesses.