Frame arm joint structure for seat or chair structure

Details Frame arm joint structure for seat or chair structure Frame arm joint structure for seat or chair structure

1976-10-07

1978-10-03

Mitchell, James C.

Chairs and seats

Armrest

Attachable to diverse chairs or seats; i.e., portable

297417, A47C 754

Patent

active

041180690

ABSTRACT:
An arm joint structure for a seat or chair in which a tubular member is attached to the back and is provided with a pin or lug extending into the opening through the member, and a stem connected to an arm frame projects laterally therefrom into the opening in the tubular member. A slot extends inwardly from the free end of the stem and terminates in a transverse arcuate slot for receiving the pin or lug, which permits rotation of the stem in the sleeve to locate the arm either in the horizontal position or in a raised vertical position. The arm may be removed by withdrawing the stem from the opening in the sleeve, and an arm may be assembled on either side, or switched from one side to the other. A spring clip is preferably used to hold the assembled arm in place to prevent accidental removal thereof.

REFERENCES:
patent: 1099670 (1914-06-01), Shoffner
patent: 2885223 (1959-05-01), Duff
patent: 3423781 (1969-01-01), Henson
patent: 3807799 (1974-04-01), Freedman
patent: 3883175 (1975-05-01), Rodaway

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