Patent ID: 7341233
Filing Date: 2008-03-11
Classification: A47C

Abstract:
1. A horizontal adjustment mechanism for use with a chair having a base, a seat supported on the base and defining a fore-to-aft longitudinal axis, and a seat back, the mechanism comprising: a first plate adapted to be coupled to the seat, the first plate having an opening; a second plate adapted to be coupled to the base, the second plate having a plurality of positioning holes arranged in a predetermined pattern, the holes positioned to align with the opening, said second plate being slidably coupled to said first plate such that said first and second plates can move relative to one another along the longitudinal axis of the seat; and a lever, said lever containing a first mating portion adapted to be releasably received in a recess located in the first plate and a second mating portion including a projection adapted to be releasably received in a plurality of notches located on the second plate wherein said lever is operable to selectively engage the second mating portion and one or more of said notches and is operable to selectively release the second mating portion from one or more of said notches to allow the first plate to move relative to the second plate.