Seat support column

Supports – Stand – Standard type

Patent

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Details

248631, F16M 1100

Patent

active

047200685

ABSTRACT:
A seat is provided with a downwardly depending tubular casing having a generally open bottom except for a retainer therein. The base includes an open top support cylinder which receives the tubular casing therein. The piston of a gas or hydrapneumatic spring cartridge is mounted at the lower end of the support cylinder in axially and radially fixed relation thereto. Even though the gas spring (cartridge and piston) is capable of swiveling about its longitudinal axis relative to the support cylinder, the longitudinal axis of the gas spring (cartridge and piston) remains substantially vertical at all times. The casing is loosely received or floats within the support cylinder and loosely surrounds the cartridge. Near the upper end of the casing an internal wall operatively engages the upper end of the cartridge in such manner that movement of the cartridge along the piston rod causes a corresponding movement of the casing. Non-axial loads on the seat result only in a tipping of the casing with respect to the cartridge and support cylinder without tilting of the gas spring cartridge itself.

REFERENCES:
patent: 3711054 (1973-01-01), Bauer
patent: 3788587 (1974-01-01), Stemmler
patent: 3790119 (1974-02-01), Bauer
patent: 4245826 (1981-01-01), Wirges
patent: 4415135 (1983-11-01), French
patent: 4485996 (1984-12-01), Beukema
patent: 4580749 (1986-04-01), Howard

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