Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
A47C23/28—Tensioning devices therefor
Landscapes
Invalid Beds And Related Equipment
(AREA)
Mattresses And Other Support Structures For Chairs And Beds
(AREA)
Zittersieb mit zwischen zwei parallelen ortsfesten Laengstraegern schwingbar angeordneter Siebflaeche, deren Querkanten an Spannleisten befestigt sind und deren Laengskanten frei schwingen