Back to results
US 4,732,423 AGranted
Invalid's chair construction
AssigneeBio-Architectural Design, Inc.
InventorJames R. Condon
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeBio-Architectural Design, Inc.
InventorJames R. Condon
Estimating the term…
Invalid's chair has a support frame which includes a main support section, a seat support section pivotable on the main frame section and a back frame section, pivotable on the seat support section of the frame. The chair includes a seat cushion mounted on the seat frame and lower and upper back support cushions carried by the back frame and being independently adjustable relative one another. The seat and back frame sections are tiltable on the main frame together and the back frame is also tiltable independently of the seat frame. A tilting control cylinder is disposed between the back support section of the frame and the seat section and another tilt control cylinder is disposed between the seat section and the main support section to enable tilting of the back and seat portions of the chair together and independent tilting the back portion. The back support frame section and seat frame section are each pivotable about pins which are disposed substantially forward of the back edge of the seat cushion. The chair also includes body support pads disposed on the back support frame and each is disposed on a universal mounting fixture having three degrees of movement operable by a single knob. The seat cushion of the chair includes a contour control mechanism for selectively varying its contour. All of the control mechanisms and the operation of the component parts of the chair are disposed on the chair frame to be accessible from a position directly behind the chair.
Invalid's chair comprising a wheel supported frame including a pivotable seat support section and a pivotable back support section, the seat support section having a seat cushion disposed thereon, said cushion having outer, inner and side edge portions, said seat support section and back support section being tiltable about discrete pivot means disposed at a distance from the inner edge of the seat cushion of about one-third of the depth of said seat cushion measured from its inner to outer edge so that a patient's torso and chair back will essentially be tilted together, a pair of rod supported, trunk engaging support pads disposed on the back section of said frame by mounting means whereby the trunk pads remain in essentially fixed relation to the patient's torso when tilted with said chair back, said mounting means being horizontally rotatable and vertically pivotable and also linearly adjustable, said mounting means each including a means for clamping said rod in fixed position and simultaneously locking the rod in a fixed horizontal and vertical angular positions.
Dependencies are inferred from the claim text.