Chair

• US 3,278,229 A
• Filed: 09/03/1965
• Issued: 10/11/1966
• Est. Priority Date: 09/03/1965
• Status: Expired due to Term

• Current Assignee: Cosco Incorporated (Dorel Industries Incorporated)
• Original Assignee: Donald L. Bates
• Inventors: Bates, Donald L.
• Application Number:
  US04/484,941
• Time in Patent Office: 403 Days
• US Class Current: 297/344.18
• CPC Class Codes: A47C 3/18 Chairs or stools with rotatable seat adjustable in height by rotation A47C3/24
• CPC Class Codes: A47C 3/34 with pins coacting with holes or bolt-and-nut adjustment
• CPC Class Codes: A47C 7/004 for chairs or stools with central column, e.g. office chairs
• CPC Class Codes: A47C 7/506 of adjustable type
• CPC Class Codes: A47C 7/5064 in vertical direction

Claims

1. A CHAIR, COMPRISING A FIRST SUPPORT MEMBER HAVING A PLURALITY OF VERTICALLY SPACED APERTURES, A GROUND-ENGAGEABLE BASE CONNECTED TO SAID SUPPORT MEMBER, A SECOND SUPPORT MEMBER CARRIED IN SAID FIRST SUPPORT MEMBER AND PROJECTING UPWARDLY THEREFROM, A SEAT CONNECTED TO SAID SECOND SUPPORT MEMBER AT THE UPPER END THEREOF, A CUP SLIDABLY CARRIED IN AND ENGAGING THE WALLS OF SAID FIRST SUPPORT MEMBER, A CAP MOUNTED IN THE LOWER END OF SAID SECOND SUPPORT MEMBER HAVING AN ANNULAR SIDE WALL INTERPOSED BETWEEN SAID FIRST AND SECOND SUPPORT MEMBERS AND ROTATABLY CONNECTED TO SAID CUP WHEREBY SAID SECOND SUPPORT MEMBER IS SPACED FROM AND IS VERTICALLY AND ROTATABLY MOVABLE WITH RESPECT TO SAID FIRST SUPPORT MEMBER, AND MEANS RELEASABLY RECEIVED IN SAID FIRST SUPPORT APERTURES AND APERTURES IN SAID CUP FOR RELEASABLY LOCKING SAID SECOND SUPPORT IN THE DESIRED POSITION OF VERTICAL ADJUSTMENT IN SAID FIRST SUPPORT MEMBER.