Continuously adjustable levelling column

Details Continuously adjustable levelling column Continuously adjustable levelling column

1985-05-21

1988-07-12

Talbott, David L.

Supports

Stand

Standard type

108144, 108150, 2481885, 248631, 297345, F16M 1100

Patent

active

047564962

ABSTRACT:
A continuously adjustable levelling column for chairs comprises a guide tube having a lower end and an upper end. A telescopic tube is guided within the guide tube and has a tapered upper end portion extending beyond the upper end of the guide tube. A gas spring is accommodated within the telescopic tube. This gas spring is axially fixed within the telescopic tube. The upper end of a container of the gas spring abuts through a distance piece a support face at the upper end of the tapered portion of the telescopic tube. A piston rod passing through the lower end of the gas spring is axially fixed with respect to the lower end of the guide tube. A locking control pin extends through the upper end of the gas spring and is engageable through a transmission pin by a control handle.

REFERENCES:
patent: 2854061 (1958-09-01), Romito
patent: 3241801 (1966-03-01), Wilkenloh et al.
patent: 3250509 (1966-05-01), Molloy
patent: 3436048 (1969-04-01), Greer
patent: 3711054 (1973-01-01), Bauer
patent: 3788587 (1974-01-01), Stemmler
patent: 3790119 (1974-02-01), Bauer
patent: 3913901 (1975-10-01), Molders
patent: 3921952 (1975-11-01), Wirges
patent: 4074887 (1978-02-01), Hale
patent: 4108416 (1978-08-01), Nagase et al.
patent: 4113220 (1978-09-01), Godwin et al.
patent: 4139175 (1979-02-01), Bauer
patent: 4183689 (1980-01-01), Wirges et al.
patent: 4283033 (1981-08-01), Bauer
patent: 4580749 (1986-04-01), Howard

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