Base portion for tiltable chair

Details Base portion for tiltable chair Base portion for tiltable chair

1978-09-11

1981-03-03

Schultz, William H.

Supports

Stand

Standard type

F16M 1100

Patent

active

042536324

ABSTRACT:
A novel base portion for a tiltable chair. The base portion comprises a chair control adapted to control the tilting of the chair, a threaded cylindrical post secured to the chair control and extending vertically downward, an outer, vertically aligned tubular sleeve around the cylindrical post, a bell assembly mounted on the cylindrical post above the tubular sleeve and adapted to control the height of the chair, an alignment means adapted to align the tubular sleeve in a vertical position relative to the cylindrical post with the alignment means mounted on the cylindrical post inside the tubular sleeve, and a plurality of radially extending legs adapted to support the chair with their inner ends secured to the alignment means.

REFERENCES:
patent: 2999665 (1961-09-01), Erickson et al.
patent: 3161396 (1964-12-01), Anderson
patent: 3186669 (1965-06-01), Buhrmaster
patent: 3391893 (1968-07-01), Doerner
patent: 3406939 (1968-10-01), Doerner
patent: 3439893 (1969-04-01), Paquette
patent: 3499625 (1970-03-01), Froedge
patent: 3778014 (1973-12-01), Driscoll et al.
patent: 3923280 (1975-12-01), Good
patent: 4181280 (1980-01-01), Bowman

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