Stencil loading in stencil duplicators
US4194447A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1978 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Apr 12, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41L29/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The disclosure relates to a stencil duplicator having a loading device in the form of a pair of guide members which are mounted for movement between a first position in which they define a slot into which a stencil can readily be inserted to attain a predetermined position and a second position in which they define a narrower slot and hold the stencil heading strip close to the surface of the rotatable ink screen of the duplicator and in the path of movement of mounting pins carried by the stencil mounting bar on the ink screen so that when the pins next pass the guide members they enter holes in the stiff heading strip of the stencil and drag the stencil through the slot and onto the surface of the ink screen without any need to stop the machine. Preferably the guide members present elongate edge portions which are undulated to define recesses, through which in the second position of the guide members the pins may pass, and fingers between said recesses to hold the stencil heading strip adjacent each recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.