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Class Information
Number: 226/23
Name: Advancing material of indeterminate length > With material-responsive control means > To position material laterally > By shiftable material support > Pivotally mounted roller > Responsive to material-contacting element
Description: Device wherein the detection means comprises a machine part, other than the support, which abuts the material, whereby said part is moved if the material deviated laterally* from its desired longitudinal* direction.

Patents under this class:

Patent Number Title Of Patent Date Issued
7618205 Web conveyance mechanism and image forming apparatus Nov. 17, 2009
7429310 Method, arrangement and equipment for tensioning and guiding a fabric in a paper or board machine Sep. 30, 2008
6972074 Equipment for fabric guiding in a paper machine Dec. 6, 2005
6874724 Method and device for reeling up in the proper position a hot-rolled strip in a reeling installation Apr. 5, 2005
6866176 Web tension equalizing roll and tracking apparatus Mar. 15, 2005
6830212 Web tension equalizing roll and tracking apparatus Dec. 14, 2004
6641017 Process and device for laterally positioning a material web Nov. 4, 2003
6627044 Web guide in a paper machine/board machine Sep. 30, 2003
6450382 Printing web position adjusting apparatus Sep. 17, 2002
6402005 Process and device for handling a material web Jun. 11, 2002
6371347 Air switch and palm guide for papermaking machinery Apr. 16, 2002
6312562 Traveling screen system Nov. 6, 2001
6257520 Noncontact web transporting apparatus Jul. 10, 2001
6105899 Web tension equalizing roll and tracking apparatus Aug. 22, 2000
6013212 Gauge distribution in tubular plastic film with edge control Jan. 11, 2000
5893021 Sheet feeding system including leading edge detection Apr. 6, 1999
5664738 Pneumatic web guide Sep. 9, 1997
5614063 Inductive edge detector for paper machinery Mar. 25, 1997
5609241 Training idler assembly for a conveyor system Mar. 11, 1997
5365321 Endless belt driving device with automatic belt displacement correction Nov. 15, 1994
5276460 Skew preventer for a film belt Jan. 4, 1994
5117969 Wide belt alignment system Jun. 2, 1992
4901903 Web guiding apparatus Feb. 20, 1990
4893740 Web tracking mechanism Jan. 16, 1990
4892426 Paper movement monitor Jan. 9, 1990
4835547 Thermal printer with a mechanism for preventing a recording sheet's meandering May. 30, 1989
4737045 Paper web stacking controlled by electronic motor controlled by form length Apr. 12, 1988
4666073 Spring biased spool type valve controller for a pneumatic dual diaphragm control system May. 19, 1987
4664303 Simplified mount for a web-supporting roller May. 12, 1987
4655378 Differential pressure biased spool type valve controller for a pneumatic dual diaphragm control system Apr. 7, 1987
4645066 Adjustable conveyor assembly for regular periodic transverse movement of a longitudinally moving conveyor belt Feb. 24, 1987
4641770 Angularly adjustable web-supporting steering roller Feb. 10, 1987
4629061 Belt steering control system Dec. 16, 1986
4397538 Belt alignment system Aug. 9, 1983
4212419 Strip guiding device Jul. 15, 1980
4212422 Web position controller for web transport systems Jul. 15, 1980
4174171 Belt tracking system Nov. 13, 1979
4160517 Web aligning apparatus for multi-level web material Jul. 10, 1979
4073448 Automatic device for fixing the edge of a moving band Feb. 14, 1978
4061222 Web tracking apparatus Dec. 6, 1977
3997094 Device for aligning power press feedstock Dec. 14, 1976
3935979 Web alignment apparatus for multi-level web material Feb. 3, 1976
3934775 Web centering device Jan. 27, 1976

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