Adjustable shock absorber and automatic control mechanism therefor

• US 3,273,876 A
• Filed: 07/01/1965
• Issued: 09/20/1966
• Est. Priority Date: 08/31/1964
• Status: Expired due to Term

• Current Assignee: Jerry M. Hannan
• Original Assignee: Jerry M. Hannan
• Inventors: Hannan, Jerry M.
• Application Number:
  US04/471,786
• Time in Patent Office: 446 Days
• US Class Current: 267/186
• CPC Class Codes: B60G 17/0152 characterised by the action on a particular type of suspension unit B60G17/01941 takes precedence

Claims

1. THE COMBINATION WITH A HYDRAULIC SHOCK ABSORBER INCLUDING:

(A) A CYLINDER FILLED WITH LIQUID;

(B) A PISTON HAVING BLEED PASSAGES THEREIN AND BEING SLIDABLE IN SAID CYLINDER;

(C) A PISTON ROD SECURED TO SAID PISTON AND HAVING ITS FREE END PROJECTING FROM ONE END OF SAID CYLINDER;

(D) MEANS FOR RECEIVING ANY EXCESS FLUID FROM SAID CYLINDER AS SAID PISTON ROD MOVES INTO SAID CYLINDER AND FOR RETURNING IT AS ROD IS MOVED OUT OF THE CYLINDER;

AND (E) ATTACHING MEANS AT THE FREE END OF SAID ROD AND AT THE END OF SAID CYLINDER DISPOSED OPPOSITE TO THE END FROM WHICH SAID ROD EXTENDS FOR SECURING SAID SHOCK ABSORBER TO TWO RELATIVELY MOVING PARTS OF A VEHICLE;

OF (F) AN AIR-RECEIVING CYLINDER HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID HYDRAULIC CYLINDER;

SAID AIR SYLINDER HAVING AN END SLIDABLY RECEIVING SAID HYDRAULIC CYLINDER AND HAVING ITS OTHER END SECURED TO SAID PISTON ROD;

(G) THE END OF SAID HYDRAULIC CYLINDER RECEIVED IN SAID AIR CYLINDER HAVING AN OUTER DIAMETER EQUAL TO THE INNER DIAMETER OF THE AIR CYLINDER AND BEING SLIDABLE IN THE AIR CYLINDER AND FUNCTIONING AS A SECOND PISTON TO PROVIDE THE AIR CYLINDER INTO TWO COMPARTMENTS;

AND