Device for automatically raising and lowering of mobile elements

Details Device for automatically raising and lowering of mobile elements Device for automatically raising and lowering of mobile elements

1988-10-04

1990-06-26

Butler, Douglas C.

Spring devices

Vehicle

Comprising compressible fluid

5 68, 92133, 267 6412, E05F 110

Patent

active

049365541

ABSTRACT:
A device raising and lowering bed or chairs including a pneumatic spring associated with each mobile element of the chair or bed and placed to allow, by its extension, raising of this mobile element. Each pneumatic spring is associated with a weight acting against it and able to be moved to compensate, at rest, the force of the pneumatic spring relative to the weight of the person resting of this mobile element. The device can be used by any person, invalid or not, without the needed of any effort on his part and without the assistance of another person.

REFERENCES:
patent: 2438059 (1948-03-01), Lackey
patent: 2582565 (1952-01-01), Schnippel et al.
patent: 3018791 (1962-01-01), Knox
patent: 3127619 (1967-04-01), Bronstien
patent: 3960667 (1976-06-01), Dutchburn

Affiliated with

Also associated with

Rating

Device for automatically raising and lowering of mobile elements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for automatically raising and lowering of mobile elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for automatically raising and lowering of mobile elements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1120863