The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 1991
Filed:
Sep. 21, 1989
Makoto Yahata, Kyoto, JP;
Fumihiko Nishida, Kyoto, JP;
Dainippon Screen Mfg. Co., Ltd., Kyoto, JP;
Abstract
A masking device employed for a composer and the like for forming a desired opening portion by covering a glass plate holding an original includes a pair of light intercepting devices for covering the glass plate from the front and rear and left and right directions. One end of each of the light intercepting devices includes a holding portion for holding an end portion of masking sheet for covering the glass plate and a member for defining an opening portion on the glass plate. The holding member and the opening portion defining member in the front and rear directions are provided spaced part from each other in the up and down directions, and the light intercepting device in the left and right directions are posed in an opening portion formed between the holding member and the opening portion defining member of the light intercepting device in the front and rear directions to define the opening portion in left and right directions.