Chair structure and tilt mechanism therefor

Details Chair structure and tilt mechanism therefor Chair structure and tilt mechanism therefor

1974-05-28

1976-06-29

Zugel, Francis K.

Chairs and seats

Back movement resiliently opposed in operating position

Constantly oriented during up-and-down movement

297411, 297361, A47C 744

Patent

active

039662527

ABSTRACT:
An improved chair structure and tilt mechanism for office chairs and the like wherein the chair back is mounted to the tilt mechanism through the chair arms causing the chair arms to thus move forward and backward in conjunction with like movement of the chair back independently of any movement or tilt of the chair seat.

REFERENCES:
patent: 2321385 (1943-06-01), Herold
patent: 2341124 (1944-02-01), Sheldrick
patent: 2374350 (1945-04-01), Herold
patent: 2447601 (1948-08-01), Sengpiel
patent: 2471024 (1949-05-01), Cramer
patent: 2650646 (1953-09-01), Herold
patent: 2859801 (1958-11-01), Moore
patent: 2970639 (1961-02-01), Good
patent: 3072436 (1963-01-01), Moore
patent: 3603640 (1971-09-01), Doerner

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