Multi-swivel chair

Details Multi-swivel chair Multi-swivel chair

1987-10-27

1989-01-17

Foss, J. Franklin

Supports

Stand

Standard type

2481884, 297349, F16M 1300

Patent

active

047983612

ABSTRACT:
A swivel chair of the type embodying a circular support base with articulated arms axially supported at the center of the base. The chair is capable of rotating 360 degrees horizontally around the axis. The chair base includes a tilting plate supporting the vertical axle. The amount of tilt is adjustable by an allen bolt in the base allowing exact vertical alignment of the axle. The chair supporting spindle receptacle is adjustable to accept spindle arrangements through a wide range of diameters and lengths.

REFERENCES:
patent: 1484229 (1924-09-01), Miles
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patent: 2650647 (1950-09-01), MacKnight
patent: 2660833 (1953-12-01), Weber
patent: 2803510 (1957-08-01), Carbary
patent: 3133765 (1964-05-01), Kramer
patent: 3186761 (1965-06-01), Propst
patent: 3542424 (1970-11-01), Bingley
patent: 3727873 (1973-07-01), Hill
patent: 3750989 (1973-08-01), Bergeson
patent: 3964713 (1976-06-01), Joslyn
patent: 4023760 (1975-12-01), Robinson
patent: 4181281 (1978-12-01), Kosak
patent: 4316634 (1982-02-01), Roesler
patent: 4368869 (1983-01-01), Gelvezon
patent: 4620686 (1986-11-01), Conant

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