×

Vehicular seat mounting linkage

  • US 3,883,172 A
  • Filed: 07/02/1973
  • Issued: 05/13/1975
  • Est. Priority Date: 07/02/1973
  • Status: Expired due to Term
First Claim
Patent Images

1. An operator seat assembly in a vehicle having a longitudinal axis and an operator station, the seat assembly being disposed in the operator station and comprising a base structure secured to the vehicle, a seat frame for supporting an operator, forward and rearward link means respectively pivoted between said base structure and said seat frame, said rearward link means Being effectively longer than said forward link means, said forward and rearward links forming in combination with said seat frame and said base structure to which they are pivotably affixed an unsymmetric quadrilateral having sides of fixed length, said forward and rearward link means being disposed with their respective linear axes tending to remain in substantial convergence adjacent a relatively remote point located below and in longitudinally spaced apart relation forward of the seat assembly, said point of convergence being preselected with reference to the vehicle, and a resilient means effectively interconnected between said seat frame and said base structure for yieldingly resisting movement of said seat frame relative to said base structure.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×