Patent ID: 6689974
Filing Date: 2004-02-10
Classification: A47C,H01H

Abstract:
A motorized chair having user-supporting elements that are movable relative to each other and are controllable by a user resting on the chair, said chair comprising:a frame supporting at least two user-supporting elements that are movable relative to each other for positioning the user across a range of motion, one of said user-supporting elements including a plurality of springs extending in a front-to-back direction for flexibly supporting the user; a motor connected to said frame and to the at least two user-supporting elements for moving the at least two user-supporting elements; a position controller for controlling the motor; and at least one pressure switch strip positioned along one of the springs of the one of said user-supporting elements and extending in the front-to-back direction, said at least one pressure switch strip configured to disable the position controller when no user is on the one of said user-supporting elements, and to enable the position controller in response to the user resting on the one of said user-supporting elements so as to allow the user to activate the motor to control movement of the at least two user-supporting elements.