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Browse Prior Art Database

Bristle Brushes to Remove Debris From Print Band

IP.com Disclosure Number: IPCOM000062468D
Original Publication Date: 1986-Nov-01
Included in the Prior Art Database: 2005-Mar-09
Document File: 2 page(s) / 42K

Publishing Venue

IBM

Related People

Berry, OV: AUTHOR [+4]

Abstract

In a business machine printer using known metal print band technology, two nylon bristle brushes wipe the surfaces of the print band removing debris, composed of inking ribbon fiber, dried ink, and paper dust, which collects around the print position anvils and tends to migrate to and clog the emitter slots. This cleaning action minimizes problems with light sensing of the emitter slots. The figure shows schematically the arrangement in the present embodiment, in which two nylon bristle brush and holder assemblies 1 are mounted in staggered positions on opposite sides of print band 2. It is seen that as the print band travels in the direction shown (3), the brushes remove debris shown accumulated around print position anvils 4 and emitter slots 5 cleaning them as shown at 6 and 7, respectively.

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Bristle Brushes to Remove Debris From Print Band

In a business machine printer using known metal print band technology, two nylon bristle brushes wipe the surfaces of the print band removing debris, composed of inking ribbon fiber, dried ink, and paper dust, which collects around the print position anvils and tends to migrate to and clog the emitter slots. This cleaning action minimizes problems with light sensing of the emitter slots. The figure shows schematically the arrangement in the present embodiment, in which two nylon bristle brush and holder assemblies 1 are mounted in staggered positions on opposite sides of print band 2. It is seen that as the print band travels in the direction shown (3), the brushes remove debris shown accumulated around print position anvils 4 and emitter slots 5 cleaning them as shown at 6 and 7, respectively. It is seen that since the brush assemblies are positioned at an angle 8, the loosened debris migrates down the brushes and accumulates (9) on the base casting. It is removed during routine machine cleaning. The brush assemblies 1 are adjustable, as shown at 11, assuring maximum debris collection without causing band tracking problems. It is seen that this cleaning station precedes sensor station 10, assuring debris-free emitter slots at sensing time.

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