Photocopying – Contact printing – Light boxes
Patent
1988-07-08
1989-09-26
Prescott, A. C.
Photocopying
Contact printing
Light boxes
152565, 1525651, 118652, 430125, 355298, 355299, 355305, G03G 1500, G03G 1508
Patent
active
048704490
ABSTRACT:
An apparatus for cleaning a surface includes a cleaning element, a housing for holding particles removed from the surface, a passive magnet carried by a particle moving member within the housing, and a driven magnet outside the housing for inducing movement in the passive magnet thereby causing the particle moving member to move and to spread particles within the housing.
REFERENCES:
patent: 4515467 (1985-05-01), Suzuki
patent: 4530594 (1985-07-01), Adachi
patent: 4571070 (1986-02-01), Tomita
patent: 4588285 (1986-05-01), Tagoku
patent: 4618250 (1986-10-01), Noguchi et al.
patent: 4639123 (1987-01-01), Adachi et al.
patent: 4639124 (1987-01-01), Nye, Jr. et al.
patent: 4641956 (1987-02-01), Seanor
patent: 4685798 (1987-08-01), Matsumoto
patent: 4711561 (1987-12-01), Tsuruoka
Eastman Kodak Company
Nguti Tallam I.
Prescott A. C.
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