Patent ID: 7614639
Filing Date: 2009-11-10
Classification: A47C,A61G,A61H,A63B

Abstract:
1. A modular standing frame for lifting and supporting a user in moving from a sitting posture to a standing posture, comprising: a chair module that is movable between a seated condition for supporting a user in a sitting posture, and a standing condition for supporting a user in a standing posture; and a plurality of accessory modules; wherein the chair module can be interchangeably connected with at least two of the accessory modules; wherein the chair module further includes a seat and a seat back; the distance between a knee pivot joint of the chair module and a hip pivot joint of the chair module is adjustable to fit the user; the distance between a seat back and a hip pivot joint of the chair module is adjustable to fit the user; the chair module includes portions that form a four bar linkage that maintains the seat back in its angular orientation relative to vertical as the chair module moves between a sitting posture and a standing posture; and whereby as the chair module moves from the sitting posture to the standing posture, there is substantially no shear between the user's body and the seat and the seat back of the chair module.