Seat suspension
Patent 4640488 Issued on February 3, 1987. Estimated Expiration Date: 
January 4, 2005. 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.
January 4, 2005. 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 3390857 3473844 3826457 Seat supporting assembly of the resiliently loaded type Constant torque adjustable seat Spring controlled shock absorbing seat Vehicle seat support with incorporated device for damping longitudinal acceleration Low profile resilient suspension for vehicle seat Patent #: 4448386 InventorApplicationNo. 06/688980 filed on 01/04/1985US Classes:248/588, Crossing links108/145, Articulated link shifts surface248/564, Acting through linkage248/594Compression springExaminersPrimary: Ramirez, Ramon O.Attorney, Agent or FirmInternational ClassB60N 2/50 (20060101)AbstractA seat suspension featuring a weight-responsive, height-adjusting mechanism which is advantageously employed in a seat intended to be installed in a smaller sized vehicle is disclosed. The seat suspension includes a pair of shock absorbers arranged at the lower portion of X-shaped links with its height being substantially the same as that of the lower portion of said links. | |
