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Mattresses And Other Support Structures For Chairs And Beds
(AREA)
Abstract
1.- Un sofá-cama caracterizado esencialmente por estar constituido por un marco de soporte con un somier donde apoya un bloque de asiento ajustado por una pestaña rebordeada del propio marco del que surge posteriormente un segundo marco en U invertida en cuyos vértices se articula por cortas pletinas el bloque de respaldo conformado prismática- V mente con sección trapecial llevando en su interior dos tabiques transversales de refuerzo y una placa longitudinal frontal de apoyo de un cuerpo esponjoso siendo accesible su interior hueco desde un cierre longitudinal existente en su cara trasera.