Abstract: This cleaner cartridge for cleaning read, record, entrainment and guide parts in audio, video, and magnetic tape apparatus comprises a reservoir for the special liquid or detergent incorporated in the cartridge and removable, assemblable, refillable or replaceable as required. This reservoir is connectable to the cartridge body in any fit and is formed preferably from a soft material in any color, also transparent.

Abstract: This invention relates to an electrically operated self-cleaning ashtray comprising a moving web which has a flat area adapted to receive ash and any unburned residue and a discharge area overlying a collecting bin.A drive enables quick replacement or cleaning of the flat area, and a spray device is provided to deodorize the ashtray.

Abstract: A cleaning cassette for tape recorder and/or player magnetic heads comprises a toothed wheel of elastic yielding material frictionally engaging in use the magnetic head. The wheel is rotatively driven by a drive arrangement comprising hubs to be driven by the recorder spindles and vanes radially extending towards and engaging the vanes of the wheel. The cassette comprises also a socket accommodating a small flexible vessel containing a detergent liquid and accessible through an opening in the cassette casing.