Printing – Stenciling – Rotary machines
Patent
1991-02-25
1992-01-21
Burr, Edgar S.
Printing
Stenciling
Rotary machines
101116, B41L 1300
Patent
active
050819240
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.
REFERENCES:
patent: 2698574 (1955-01-01), Dougherty et al.
patent: 3312165 (1967-04-01), Storm
patent: 3332344 (1967-07-01), Londahl et al.
Burr Edgar S.
Riso Kagaku Corporation
Yan Rzn
LandOfFree
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