Folding canvas chair

• US 4,184,711 A
• Filed: 10/12/1978
• Issued: 01/22/1980
• Est. Priority Date: 10/14/1977
• Status: Expired due to Term

• Current Assignee: Yasuo Wakimoto
• Original Assignee: Yasuo Wakimoto
• Inventors: Wakimoto, Yasuo
• Primary Examiner(s): Britts, Ramon S.
• Assistant Examiner(s): Aschenbrenner, Peter A.
• Application Number:
  US05/950,712
• Time in Patent Office: 467 Days
• Field of Search: 297/16, 297/18, 297/379, 297/441, 248/164, 248/431, 248/432
• US Class Current: 297/16.2
• CPC Class Codes: A47C 4/286 foldable side to side and front to back, e.g. umbrella type
• CPC Class Codes: A47C 4/38 with cross legs
• CPC Class Codes: A47C 9/105 having several foldable or detachable legs converging in one point

Abstract

A folding canvas chair provided with four rods, each of which serves at the lower half thereof as a leg of the chair, while at the upper half thereof as a supporting post for stretching a canvas sheet between adjacent posts, the lower end of said post is fastened to the upright end of a metal connecting member, while the top end of said rod is pivotally coupled with said connecting member at the lower end thereof, and a basic framework plate having four apertures thereon for permitting corresponding leg to pass therethrough to be pivotally secured to said plate.

Claims

1. A canvas chair which is constructed to be readily capable of folding and unfolding as well as provided with four rods 1 for setting up a framework of a chair, the lower half portion of said rod 1 being serviceable as a supporting leg while the upper half portion of said rod 1 being used as a supporting post for a canvas back sheet to be spread over between said two supporting posts, and said rod 1 being inserted through an aperture 3 perforated on a basic framework plate 2 to be pivotally secured to said basic framework plate at a predetermined spot located in the center part of each rod 1, said folding canvas chair characterized in comprising metal connecting members 5 of a L-shape in profile having a forked portion formed at the lower end thereof, said forked portion being pivotally connected with the upper end at both sides of said rod 1 disposed at the right and left sides in the rear of a seat 6, while said forked portion at the upper end thereof being securely fixed to the lower end of said supporting post 8 having a desired length so as to swing said supporting post upward and downward, a strip-like leaf spring having a necessary length provided on the front surface adjacent to the lower end of each of said supporting posts, said leaf spring being fitted securely to said supporting post 8 at the upper end thereof and having a curved hook portion 10 formed on the lower extension thereof to pass through a slot 11 perforated on the upper end portion of said rod 1 so as to protrude from the lower side of said rod 1 as well as to be in contact with a flange of said slot 11 formed on the upper end portion thereof, and a canvas back sheet 13 being spread over between said two supporting posts 8 which are located on both sides of the seat 6 to be inserted into both hemmed edges of said back sheet 13.