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Individual
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Individual
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Priority to ES1978233359UpriorityCriticalpatent/ES233359Y/en
Publication of ES233359UpublicationCriticalpatent/ES233359U/en
Application grantedgrantedCritical
Publication of ES233359YpublicationCriticalpatent/ES233359Y/en
Mattresses And Other Support Structures For Chairs And Beds
(AREA)
Abstract
Improved backrest for folding seats, of the type constituted by a laminar group of certain rigidity and foldable laterally by zigzag folding, essentially characterized in that the various internal flat and oblong pieces that provide adequate rigidity to the backrest, are joined together collaterally by their longitudinal edges according to weakened lines that allow bending and through which establishes the unión between the outer flexible sheets to form an entire folding assembly. (Machine-translation by Google Translate, not legally binding)
ES1978233359U1978-01-171978-01-17
IMPROVED BACKREST FOR FOLDING SEATS.
ExpiredES233359Y
(en)