Beds – Invalid bed or surgical support – Tiltable along a longitudinal axis
Patent
1990-03-01
1992-04-14
Luebke, Renee S.
Beds
Invalid bed or surgical support
Tiltable along a longitudinal axis
5108, A61G 710
Patent
active
051035111
ABSTRACT:
An oscillatory bed for a person operates to shift the person's weight in order to eliminate problems associated with convalescence. The bed has a main support frame which receives a cradle frame that is pivotally driven through a cycle about a pivot axis between opposite angular orientations. The cradle frame has side rails, and a support panel has longitudinal side edges fastened along the side rails so that it depends downwardly in an arcuate curvature therebetween. The support panel is constructed of a deformable sheet of stiff, resilient material so that the portion thereof that underlies the person during shifting remains somewhat flat as weight is shifted between the right and left sides of the body. The cradle frame is preferably mounted by trunnions, and a drive wheel is connected to one of the trunnions to be driven by a reversible motor though a gear box and, if desired, a clutch. Limit switches reverse the motor and back-up limit switches are used. The drive is key actuated and includes variable speed controls.
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Luebke Renee S.
Martin Timothy J.
Milano Michael J.
Rewoldt Dana S.
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