Patent ID: 6378943
Filing Date: 2002-04-30
Classification: A47C

Abstract:
A chair tilt lock mechanism, comprising:a chair seat post support; a chair seat bracket tiltably mounted to said chair seat post support; a first locking member extending from one of said chair seat post support and said chair seat bracket; second locking member mounted on another of said chair seat post support and said chair seat bracket and moveable between a locking position whereat said first locking member and said second locking member prevent said chair seat bracket from tilting with respect to said chair seat post support and an unlocking position whereat said first locking member and said second locking member permit said chair seat bracket to tilt with respect to said chair seat post support; an actuator assembly for moving said second locking member, said actuator assembly comprising a locking spring arranged so as to urge said second locking member to said locking position when compressed and an unlocking spring arranged so as to urge said second locking member to said unlocking position when compressed.