Univeral nozzle for vacuum cleaners

Abstract

Universal nozzle to be used in connection with general known vacuum cleaners and the like, with or without washing devices, to clean floors with different floorings, including carpets, textiles and the like. The nozzle is provided with one or more cylindrical rollers, (FIG. 1 and FIG. 2), so suspended and so designed, by means of free wheeling bearings, so the rollers freely can revolve around their own axis, when the nozzle (14) is moved in one direction, but where the rollers are blocked, when moved in the opposite direction. Hair, thread and other foreign materials are thereby assembled in an oblong cylindrical cushion, easy to evacuate. The rollers can be provided with outside linings of different kind, for instance as a rubber roller, (FIG. 1), or as a brush roller, (FIG. 2). The rollers can be suspended in an activation device (7) and (10), making it possible to activate one or more of the rollers. The rollers are provided with beams (12) and (13), in order to scrape off hair and foreign materials, which are fastening on these, by which the rollers are self cleaning. The beam (13) is do designed, that it in same time is acting as a throttle valve.

Dependencies are inferred from the claim text.