Photocopying – Contact printing – Light boxes
Patent
1992-07-17
1993-11-23
Braun, Fred L.
Photocopying
Contact printing
Light boxes
152565, 355205, 355207, 355297, 355302, G03G 2100
Patent
active
052649040
ABSTRACT:
An apparatus which cleans a moving imaging surface with a cleaning blade and automatically detects a failure of the cleaning blade. A failure sensing mechanism detects the cleaning blade failure and activates a blade indexing mechanism. The indexing mechanism removes the failed cleaning blade and positions a new cleaning blade in a wiping or doctoring mode frictional contact with the imaging surface for cleaning. A brush positioned upstream of the cleaning blade, in the direction of movement of the imaging surface, disturbs the particles thereon.
REFERENCES:
patent: 4099861 (1978-07-01), Abel
patent: 4967238 (1990-10-01), Bares et al.
patent: 5081505 (1992-01-01), Ziegelmuller et al.
patent: 5111251 (1992-05-01), Uno et al.
patent: 5229817 (1993-07-01), Lange et al.
Audi Anthony E.
Godlove Ronald E.
Kedarnath N.
Lange Clark V.
Lindblad Nero R.
Braun Fred L.
Fair T. L.
Lee Shuk Y.
Xerox Corporation
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