Patent ID: 7625045
Filing Date: 2009-12-01
Classification: A47C

Abstract:
1. A chair, comprising: a pedestal including a plurality of arms having wheels at respective ends thereof; a pneumatic cylinder mounted to said pedestal; a yoke member connected to said pneumatic cylinder, said yoke member having a pair of upwardly extending side portions; a backrest assembly and a seat assembly; said backrest assembly including a generally U-shaped backrest frame having a pair of end portions, said end portions respectively pivotally coupled to said side portions of said yoke member at first pivots for reclining movement of said backrest assembly, said end portions of said backrest assembly also respectively pivotally coupled to opposite sides of said seat assembly at second pivots; and said seat assembly movably coupled to said yoke member, and movable upon recline of said backrest assembly from a first position to a second position in which said seat assembly is disposed upwardly of said first position.