Priority date (The priority date 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 date listed.)
Publication of BE652580ApublicationCriticalpatent/BE652580A/xx
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
A47L9/24—Hoses or pipes; Hose or pipe couplings
A47L9/242—Hose or pipe couplings
A—HUMAN NECESSITIES
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
A47L5/00—Structural features of suction cleaners
A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected