Class 226/45 - Detector means

Subclass of Class 226 - Advancing material of indeterminate length
Definition: Device in which the means to sense the path or position
No. of patents: 244
Last issue date: 07/15/2008

Number	Title	Issue Date
3949856	System to detect abnormal paper feed in printers A system for monitoring the paper feed in printing mechanisms and the like, in which reference signals are derived in response to actuation of the feeding means for the paper web and in synchronism with the feed movement thereof, which signals may be comp...	04/13/1976
3946920	Vacuum system control A control system for one or more vacuum holddown devices for use in an apparatus employing flexible web material in a flattened condition. A plurality of perforated plenums are joined to a manifold connectible to a vacuum producing means. The pressure wit...	03/30/1976
3940042	Speed control device A device for equalizing the speeds at which material moves through different sections of a machine which includes a tiltable structure sensitive to the depth of sag of the material passing from one section to another, a coil having a straight longitudinal...	02/24/1976
3935979	Web alignment apparatus for multi-level web material A web alignment apparatus for use with multi-level web material such as carpeting, tufted fabrics and the like having a backing web and a pile on the backing web inwardly of the side edge of the backing web. The web alignment apparatus senses the pile edg...	02/03/1976

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