Longitudinally adjustable gas spring and elevating mechanism wit

Details Longitudinally adjustable gas spring and elevating mechanism wit Longitudinally adjustable gas spring and elevating mechanism wit

1991-09-20

1993-12-14

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

With means for locking parts together temporarily

267 6412, 248161, A47C 330, A47B 910

Patent

active

052693988

ABSTRACT:
An elevating mechanism for chairs, tables or the like has a guide tube for a gas spring. The guide tube has a bottom plate with an opening. In its section penetrating through the bottom plate the piston rod is provided with a necking on which a retaining ring is arranged.

REFERENCES:
patent: 1027252 (1912-05-01), Isaacson
patent: 1662601 (1928-03-01), Demchuk
patent: 3127217 (1964-03-01), Caplan
patent: 3455618 (1969-07-01), Wehner
patent: 3627246 (1971-12-01), Widding et al.
patent: 3656593 (1972-04-01), Bauer
patent: 3711054 (1973-01-01), Bauer
patent: 4720068 (1988-01-01), Tornero
patent: 5120011 (1992-06-01), Mintgen et al.

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