Adjustable-length columns for chairs, tables or the like

Details Adjustable-length columns for chairs, tables or the like Adjustable-length columns for chairs, tables or the like

1989-10-05

1990-11-13

Chotkowski, Karen J.

Supports

Stand

Standard type

297345, F16M 1100

Patent

active

049696190

ABSTRACT:
An adjustable-length column for chairs, tables or the like has an upright tube and a gas spring disposed in it. The piston rod of the gas spring is supported against a bottom plate of the upright tube. To assure support of the bottom plate in the face of extremely strong forces in the axial direction of the column at little manufacturing expense, the rim of the upright tube is bent inward approximately semicircularly in cross section. The bottom plate is supported on the end face of this rim.

REFERENCES:
patent: 3711054 (1973-01-01), Bauer
patent: 3790119 (1974-02-01), Bauer
patent: 3837704 (1974-09-01), Bauer
patent: 4245826 (1981-01-01), Wirges
patent: 4692057 (1987-09-01), Lauderbach
patent: 4720068 (1988-01-01), Tornero
patent: 4756496 (1988-07-01), Hosan et al.

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