Motor-driven, adjustable supporting device for the upholstery of seating and/or reclining furniture, e.g. a mattress or a bed, has a first supporting part and at least a second supporting part for the support of a mattress over its surface. The first supporting part and the second supporting part are...http://www.google.fr/patents/US6754922?utm_source=gb-gplus-shareBrevet US6754922 - Motor-driven, adjustable supporting device for the upholstery of seating and/or reclining furniture, for example of a mattress or a bed
Motor-driven, adjustable supporting device for the upholstery of seating and ...
