Spring devices – Centering device
Patent
1999-02-10
2000-10-03
Oberleitner, Robert J.
Spring devices
Centering device
267 34, 267221, F16F 100
Patent
active
061261548
ABSTRACT:
A system for centering a relatively movable member relative to a relatively fixed member includes telescoped inner and outer cap tubes with opposed closed ends adapted to be connected to the fixed and movable members. A strut tube assembly within the cap tubes includes a gas spring unit that is compressed by a force transfer tube assembly when the system is compressed or extended. Resilient bumpers smooth the force transition near the centered position. A set screw permits adjustment of the system to have preload or no preload or to have free play at the centered position. The system is easily adapted to specific requirements by selection of the gas spring unit and the material of the bumpers and by adjustment of the set screw.
REFERENCES:
patent: 1223573 (1917-04-01), Eldredge
patent: 4406473 (1983-09-01), Sexton
patent: 4736931 (1988-04-01), Christopherson
patent: 4822012 (1989-04-01), Sketo
Industrial Gas Springs Inc. Brochure Apr. 1997.
Safe-T-Plus Brochure Nov. 1997.
Kolehmainen Philip M.
Lipka Pamela J.
Oberleitner Robert J.
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