Multiple position reclining chair with extendible head-rest

• US 3,102,753 A
• Filed: 08/04/1960
• Issued: 09/03/1963
• Est. Priority Date: 08/04/1960
• Status: Expired due to Term

• Current Assignee: Fridtjof F. Schliephacke
• Original Assignee: Fridtjof F. Schliephacke
• Inventors: Schliephacke, Fridtjof F.
• Application Number:
  US04/047,450
• Time in Patent Office: 1,125 Days
• US Class Current: 297/61
• CPC Class Codes: A47C 1/036 the parts including a head-rest

Claims

1. A HEAD-REST AND MOUNTING AND ACTUATING ARRANGEMENT FOR A RECLINING CHAIR OF THE MULTIPLE POSITION TYPE INCLUDING A SUPPORT, A BODY-SUPPORTING STRUCTURE COMPRISING A BACK-REST AND SEAT, AND MEANS MOUNTING SAID BODY-SUPPORTING STRUCTURE ON SAID SUPPORT FOR MOVEMENT FROM A SITTING POSITION THROUGH A FIRST MOVEMENT PHASE TO AN INTERMEDIATE POSITION AND FOR MOVEMENT FROM SAID INTERMEDIATE POSITION THROUGH A SECOND MOVEMENT PHASE TO A RECLINING POSITION;

SAID ARRANGEMENT COMPRISING A HEAD-REST PIVOTALLY MOUNTED ON SAID BACK-REST AT A FIRST PIVOTAL MOUNT FOR ROTATION THROUGH SUBSTANTIALLY 180* FROM A RETRACTED POSITION TO AN EXTENDED HEAD-SUPPORTING POSITION, FIRST AND SECOND LINKS PIVOTALLY CONNECTED TO EACH OTHER, SAID FIRST LINK BEING PIVOTALLY MOUNTED AT ONE END ON SAID BACK-REST AT A SECOND PIVOTAL MOUNT SPACED FROM SAID FIRST PIVOTAL MOUNT, SAID SECOND LINK BEING PIVOTALLY CONNECTED AT ONE END TO SAID HEAD-REST AT A PIVOTAL CONNECTION SPACED FROM SAID FIRST PIVOTAL MOUNT, SAID FIRST LINK, SAID SECOND LINK AND SAID HEAD-REST INTERMEDIATE SAID FIRST PIVOTAL MOUNT AND SAID PIVOTAL CONNECTION SERVING AS THREE MOVABLE LINKS OF A FOUR-BAR LINKAGE INCLUDING SAID BACK-REST INTERMEDIATE SAID FIRST PIVOTAL MOUNT AND SAID SECOND PIVOTAL MOUNT AS THE STATIONARY LINK THEREOF, AND DRIVE MEANS OPERATIVELY CONNECTING ONE OF SAID FIRST AND SECOND LINKS TO SAID BODY-SUPPORTING STRUCTURE MOUNTING MEANS FOR ACTUATING SAID FOUR-BAR MOUNTING LINKAGE AND FOR PIVOTING SAID HEAD-REST ABOUT SAID FIRST PIVOTAL MOUNT THROUGH SUBSTANTIALLY 180* DURING SAID FIRST MOVEMENT PHASE INCLUDING A DOUBLE-ARM LEVER PIVOTALLY MOUNTED INTERMEDIATE ITS ENDS ON SAID BODY-SUPPORTING STRUCTURE, AND A DRIVING LINK CONNECTING ONE END OF SAID LEVER TO SAID ONE OF SAID FIRST AND SECOND LINKS, THE OTHER ARM OF SAID LEVER BEING OPERATIVELY CONNECTED TO SAID BODY-SUPPORTING STRUCTURE MOUNTING MEANS FOR DRIVING SAID FOUR-BAR LINKAGE DURING THE FIRST MOVEMENT PHASE AND FOR HOLDING SAID FOUR-BAR LINKAGE STATIONARY WITH RESPECT TO SAID BACK-REST DURING SAID SECOND MOVEMENT PHASE FOR MAINTAINING SAID HEAD-REST IN SAID EXTENDED, HEAD-SUPPORTING POSITION.