Bellows mounting arrangement for swivel chair

Details Bellows mounting arrangement for swivel chair Bellows mounting arrangement for swivel chair

1981-03-18

1984-04-03

Britts, Ramon S.

Supports

Stand

Standard type

403134, 403 50, 297349, F16M 1100

Patent

active

044403720

ABSTRACT:
An extendible and contractible boot is disposed in surrounding relationship to the spindle assembly of a chair. The lower end of the boot is anchored to the pedestal associated with the chair base. The upper end of the boot is supported on the seat assembly by a retainer arrangement which prevents vertical separation between the boot and seat assembly but permits relative rotation therebetween. This retainer arrangement employs a bearing ring, preferably of a split construction, which is snugly and resiliently seated within the upper end of the boot. A retainer plate is secured relative to the spindle and is rotatably supported on the bearing ring.

REFERENCES:
patent: D228536 (1973-10-01), Sottsass
patent: D239791 (1976-05-01), Alessandri
patent: 3275353 (1966-09-01), Turck et al.
patent: 3623340 (1971-11-01), Maas
patent: 4043564 (1977-08-01), White
patent: 4220418 (1980-09-01), Kondo
1-1974, Sottsass, Olivetti Synthesis 45, Scientific Library U.S. Patent Office Design Patent Reference.

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