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Class Information
Number: 5/215
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Tighteners > Depression self-tightener
Description: Devices comprising frame structures in which some or all of the rails attached to the fabric are intended to be depressed and spread farther apart under the weight of the occupant, thus stretching the fabric.

Patents under this class:

Patent Number Title Of Patent Date Issued
5884977 Vehicle seal cushion with passive unbalanced load compensation Mar. 23, 1999
5058952 Conformable seat with pivotal belt support Oct. 22, 1991

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