Resilient column of adjustable length

Details Resilient column of adjustable length Resilient column of adjustable length

1979-07-23

1981-01-20

Halvosa, George E. A.

Spring devices

Seat support

188300, 188321, 248565, 267121, 267151, 267152, 297345, F16F 307, F16F 308

Patent

active

042458269

ABSTRACT:
A column which includes an elongated guide tube receiving a pneumatic spring of the piston-and-cylinder type in its bore. A bar is fixedly fastened to the piston rod member or the cylinder member of the spring in longitudinal alignment and extends in the guide tube bore from the associated spring member toward one of the two longitudinally terminal parts of the guide tube. A spring assembly extending about the bar is interposed between spring seats on the pneumatic spring member fixedly fastened to the bar and the one terminal part of the guide tube. Cooperating abutments on the bar and on the one terminal part of the guide tube limit movement of the bar toward the other longitudinally terminal part of the guide tube.

REFERENCES:
patent: 3220688 (1965-11-01), Baermann
patent: 3711054 (1973-01-01), Bauer
patent: 3790119 (1974-02-01), Bauer
patent: 3801085 (1974-04-01), Sandor
patent: 3891236 (1975-06-01), Kawano et al.

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