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US 4,727,400 AGranted
Document table for document reproduction apparatus
AssigneeSharp Kabushiki Kaisha
InventorTatsuya Ito
Life of this patent
Estimating the term…
Abstract
A document table device for an electrophotographic copying machine or image scanner includes a transparent reciprocating table for carrying a document, a transparent pivotal document cover for pressing the document toward the table, and a pivotal light shield for shielding scanning light, the light shield covering only a portion of the document cover.
Claims5
A document table device for a document reproduction apparatus comprising:
- transparent document table means for supporting a document to be copied;
- transparent document cover means for covering the copy document and pressing the copy document toward said document table means;
- a light source positioned beneath said document table means for directing a light beam of a predetermined width toward the copy document in a copying operation, said light source being relatively movable with respect to said table means and said cover means;
- and
- light shield means for shielding light generated by said light source, said light shield means being optically aligned with and in fixed relationship to said light source and of a predetermined width substantially equal to the width of the light beam of said light source.
2 more elements
Dependencies are inferred from the claim text.