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US 4,267,610 AGranted
Body support
AssigneeRichard S. Blakeway
InventorsRichard S. Blakeway, Stanley R. Blakeway, Peter J. Olds
Life of this patent
Estimating the term…
Abstract
A body support such as a bed, operating table or seat has a flexible top sheet secured over the sides and ends of a frame, and resting on a series of parallel resiliently deformable rollers located between the sides of the frame and supported, in turn, by a longitudinally reciprocal substantially horizontal bearer plate, which is driven back and forth causing the rollers to roll back and forth under the top sheet, thus constantly changing the main pressure areas of the body supported by the top sheet.
Claims3
A body support including:
- a base frame,
- a substantially horizontal bearer member mounted on the base frame for reciprocal movement longitudinally with respect to said base frame,
- a series of parallel resiliently deformable rollers arranged transversely on, and supported by, said bearer member,
- a flexible top sheet secured on said base frame over and in contact with said rollers, and
- means for reciprocating said bearer member to cause said rollers to rock back and forth in unison between said bearer member and said top sheet.
2 more elements
Dependencies are inferred from the claim text.