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Publication date
Application filedfiledCritical
Priority to JP8859875UpriorityCriticalpatent/JPS5523407Y2/ja
Publication of JPS524010UpublicationCriticalpatent/JPS524010U/ja
Application grantedgrantedCritical
Publication of JPS5523407Y2publicationCriticalpatent/JPS5523407Y2/ja
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C7/00—Parts, details, or accessories of chairs or stools
A47C7/36—Supports for the head or the back
A47C7/40—Supports for the head or the back for the back
A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
A47C7/448—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks