Resilient suspension for vehicle seat

• US 3,150,855 A
• Filed: 01/17/1962
• Issued: 09/29/1964
• Est. Priority Date: 01/17/1962
• Status: Expired due to Term

• Current Assignee: John W. Carter, Normand R. Rollins, Richard E. Guhl
• Original Assignee: John W. Carter, Normand R. Rollins, Richard E. Guhl
• Inventors: Carter, John W., Rollins, Normand R., Guhl, Richard E.
• Application Number:
  US04/166,864
• Time in Patent Office: 986 Days
• US Class Current: 248/550
• CPC Class Codes: B60N 2/502 attached to the base of the seat B60N2/504 takes precedence
• CPC Class Codes: B60N 2/505 Adjustable suspension including height adjustment
• CPC Class Codes: B60N 2/507 Parallelogram-like structure
• CPC Class Codes: B60N 2/525 using gas
• CPC Class Codes: B60N 2/544 Compression or tension springs B60N2/542 takes precedence

Claims

1. IN A VEHICLE SEAT SUSPENSION SYSTEM THE COMBINATION COMPRISING;

MEANS FOR RESILIENTLY SUPPORTING A VEHICLE SEAT ON A VEHICLE FRAME;

A COMPRESSIBLE AIR CHAMBER HAVING A FIXED MEMBER AND A MOVABLE MEMBER, SAID MOVABLE MEMBER BEING RESPONSIVE TO DOWNWARD MOVEMENT OF SAID VEHICLE SEAT BY THE COMPRESSION OF AIR IN SAID AIR CHAMBER;

AND A LEVELING VALVE COMMUNICATING WITH SAID AIR CHAMBER, A SUPPLY OF AIR UNDER PRESSURE AND THE ATMOSPHERE;

SAID LEVELING VALVE BEING RESPONSIVE TO DOWNWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR SUPPLY WITH SAID AIR CHAMBER AND BEING RESPONSIVE TO UPWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR CHAMBER WITH THE ATMOSPHERE.