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. 21, 1992
Filed:
Feb. 25, 1991
Yoshiharu Ohinata, Toride, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A mimeographic printing machine comprises a cylindrical drum rotatable with a stencil supported thereon, a lower pusher roller located under the cylindrical drum coactive with the cylindrical drum to hold a paper sheet therebetween, an inside pusher roller movably received in the cylindrical drum for pushing the cylindrical drum toward the lower pusher roller, a drive gear drivable for rotation with the cylindrical drum, a support arm pivotally received in the cylindrical drum; an intermediate gear supported on the support arm and meshing with the drive gear, and an inside pusher gear mounted on the drive shaft of the inside pusher roller and meshing with the intermediate gear for pushing, with rotating, the inside pusher roller against the inner circumferential surface of the cylindrical drum.