Angled
Wall

Gentle separating of paper

The Angled Wall Technology has been developed and patented by BDT in the 80‘s. It is an innovative feeding technology for office printing.

 

Function

The Angled Wall Technology is a simple and brilliant principle based upon the deformation of a sheet of paper against an angled wall. The stack of media is applied to an angled wall (hence the name of the technology). A separating roller lies on the stack of paper. As soon as the roller is driven, a deformation against the wall is built and the first sheet lifts up and the second sheet stays back because of its own stiffness. Thanks to a special spring suspension, the roller drives back automatically for stiffer sheets of paper (so called auto-compensation principle). Thus both thin and thick, stiff substrates can be handled with a single system.

Advantages

The Angled Wall Technology exerts only a very minor force to the used media (paper). As a result especially in the office area even highly sensitive or coated paper can be separated or fed without damages or markings.

 

Favorable solution

In addition to the functional advantages, the BDT Angled Wall Technology is characterized by considerably less manufacturing and service costs compared to the existing technologies on the market. That is especially due to the small number of components and the low force requirements.

Milestones in usage

BDT’s Angled Wall Technology was used for different paper input units or input trays in office printers.

 

2000

Paper feeding unit for Xerox consisting of 2 x 500 sheet cassettes and 2 x High Capacity units for 2.000 or 1.600 sheets, for the XEROX Work Center product family.

 

1992

500 sheet cassette for Tektronix Color Wax Printer and later for Xerox Phaser

 

1990

500 sheet cassette for HP Inkjet Color Printer 1600 and HP mono color laser Printer V4

 

1989

1000 sheet cassette for IBM and Lexmark printers in a BDT 6-tray feeder (EP 510) for Postal Buddy, US Post

 

1988

1000 sheet cassette for IBM and Lexmark

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teufels Werk