Ultrasonic assist for blade cleaning

Details Ultrasonic assist for blade cleaning Ultrasonic assist for blade cleaning

1997-06-30

1998-11-24

Grimley, Arthur T.

Electrophotography

Cleaning of imaging surface

Plural diverse

152565, 399351, G03G 2100

Patent

active

058421025

ABSTRACT:
A printing machine and apparatus are disclosed that include an ultrasonically assisted cleaning blade to remove toner particles from an imaging surface. An ultrasonic transducer is attached to the cleaning blade to provide vibrational energy to the cleaning blade. The ultrasonic transducer concentrates vibrational energy at the blade tip for enhanced cleaning. A further element of the present invention is the addition of bias to create a strong electrostatic repulsion between the toner particles and the blade tip causing the toner to explode away from the cleaning edge, and to therefore enhance cleaning.

REFERENCES:
patent: 3848993 (1974-11-01), Hasiotis
patent: 4007982 (1977-02-01), Stange
patent: 4111545 (1978-09-01), Meltzer
patent: 4111546 (1978-09-01), Maret
patent: 4518248 (1985-05-01), Nishikawa
patent: 4763168 (1988-08-01), Lindblad
patent: 4794878 (1989-01-01), Connors et al.
patent: 4875070 (1989-10-01), Hattori
patent: 4875081 (1989-10-01), Goffe et al.

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