Apparatus for raising and lowering a seat
Patent 6385797 Issued on May 14, 2002. Estimated Expiration Date: 
June 15, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 15, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2954566 3458872 3851917 Toilet seat for an invalid Apparatus for raising and lowering a seat Compact powered lift toilet seat Toilet seat pivoting device Heavy duty power-assisted toilet seat lift assembly Powered lift toilet seat with armrests Toilet seat elevating system Patent #: 6189164 InventorApplicationNo. 880646 filed on 06/15/2001US Classes:4/667FLUSH CLOSET SEAT ASSIST TO RAISE USERExaminersPrimary: Eloshway, Charles R.Attorney, Agent or FirmInternational ClassA47K 017/00AbstractAn upper front annular frame and a lower annular frame have pivotally connected front portions, and a seat overlies the frames and has a rear portion pivotally connected to a rear portion of the upper frame. A pair of scissor linkages are connected to corresponding opposite side portions of the frames and have forwardly projecting arms supporting rollers engaging a bottom surface of the seat. A motor driven screw jack is supported by a bracket mounted on one side portion of the lower frame and is connected to tilt the upper frame between a horizontal position adjacent the lower frame and an elevated inclined position while the scissor linkages automatically move the seat between a horizontal position and an inclined elevated position projecting forwardly of the frames. | |
