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:
Jan. 28, 1992
Filed:
Jul. 13, 1990
Takashi Maruyama, Tokyo, JP;
Yonezawa Corporation, Tokyo, JP;
Kabushikikaisha Sunmak, Tokyo, JP;
Abstract
A copying apparatus is provided in which a transparent soft sheet is mounted to an upper face of an opaque sheet so as to be in contact with and out of contact with the opaque sheet. The copying apparatus comprises a closure frame, a box-like body having a smooth upper face, the closure frame being mounted to the box-like body in an openable and closeable manner, a carbon-paper press frame superimposed upon a rear face of the closure frame in an openable and closeable manner, and a pair of roller means mounted respectively to one side of the box-like body and to one side of the closure frame in facing relation to each other and a buzzer. The opaque sheet is made of a soft material and is stretched upon the closure frame. At least one of the pair of roller means is connected to a roller rotating unit and the buzzer and the roller rotating unit are connected to an electric power source through a switch.