Patent ID: 6419318
Filing Date: 2002-07-16
Classification: A47C

Abstract:
A chair comprising:a base; a support arrangement mounted on said base and including a generally vertically oriented back assembly and a generally horizontally oriented seat assembly, said back assembly including a relatively rigid back support member positioned interiorly of the back assembly; a bracket interconnecting said back and seat assemblies, said bracket having an upper elongated portion which extends generally centrally along at least part of a rear side of said back support member and defines therein a plurality of recesses arranged in a vertical row therealong; a slide assembly mounted for generally vertical sliding movement along said bracket, said slide assembly mounting thereon a handle, an arm which projects forwardly through an opening defined in said back support member, and a lumbar structure slidably supported on a free terminal end of said arm and positioned adjacent a front side of said back support member for providing support to the lumbar region of the back of the user; and a plunger mounted on said slide assembly and defining an outwardly protruding nose thereon, said plunger being slidably and linearly movable relative to said bracket in a direction perpendicular to the elongated direction of said upper portion thereof, and said plunger being biased toward said bracket whereby when said handle is manipulated by a user, said nose engages within a selected one of said recesses to adjust the vertical height of said lumbar structure along said back support member.