Rocker mechanism

• US 3,333,811 A
• Filed: 09/07/1965
• Issued: 08/01/1967
• Est. Priority Date: 09/07/1965
• Status: Expired due to Term

• Current Assignee: John T. Matthews
• Original Assignee: John T. Matthews
• Inventors: Matthews, John T.
• Application Number:
  US04/485,188
• Time in Patent Office: 693 Days
• US Class Current: 248/595
• CPC Class Codes: A47C 3/025 with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame

Claims

1. ROCKER MECHANISM COMPRISING BASE MEANS INCLUDING A PAIR OF BASE MEMBERS DISPOSED IN FIXED SPACED RELATIONSHIP TO ONE ANOTHER, FOUR SEPARATE AND INDEPENDENT SUPPORT ARMS, A PAIR OF SUPPORT ARMS MEANS BEING PIVOTALLY INTERCONNECTED AT THE LOWER ENDS THEREOF WITH SPACED PORTIONS OF EACH OF SAID BASE MEMBERS, A SUPPORT FRAMEWORK CONNECTED WITH AND SUPPORTED BY THE UPPER ENDS OF SAID SUPPORT ARMS, SAID SUPPORT FRAMEWORK INCLUDING PIVOTALLY SUPPORTED MEANS FOR CONNECTION WITH MEANS TO BE SUPPORTED, AND SPRING MEANS FOR BIASING THE ROCKET MECHANISM TO A NEUTRAL POSITION, SAID SPRING MEANS BEING OPERATIVELY CONNECTED WITH EACH PAIR OF SUPPORT ARMS INTERCONNECTED WITH ONE OF SAID BASE MEMBERS, EACH OF SAID SPRING MEANS BEING DISPOSED BETWEEN THE ASSOCIATED PAIR OF ARMS.