A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
A47C3/20—Chairs or stools with vertically-adjustable seats
A47C3/24—Chairs or stools with vertically-adjustable seats with vertical spindle
A47C3/245—Chairs or stools with vertically-adjustable seats with vertical spindle resiliently supported
A—HUMAN NECESSITIES
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
A47C3/02—Rocking chairs
A47C3/025—Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
A47C3/026—Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairs; Tilting chairs