Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate
2007-11-29
2011-11-22
Nguyen, Hung Henry (Department: 2882)
Photocopying
Projection printing and copying cameras
Illumination systems or details
Reexamination Certificate
active
08064043
ABSTRACT:
A shutter blade apparatus includes a shutter blade; a first pushing member including two first pushing portions configured to push a first surface of the shutter blade; and a second pushing member including a second pushing portion configured to push a second surface of the shutter blade, the second surface being opposite to the first surface. The second pushing portion is located between the two first pushing portions.
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patent: 11-233423 (1999-08-01), None
Canon Kabushiki Kaisha
Canon USA Inc IP Division
Nguyen Hung Henry
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