Binding hole punch apparatus
US4175457A · kind A · utility
14Cited by
8References
1Claims
0Family size
Inventors
Key dates
| Filing date | Apr 7, 1978 |
| Grant date | Nov 27, 1979 |
| Priority date | — |
| Expiry date | Apr 7, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/4612
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed is an apparatus for punching spaced binding holes in discrete stacks of bound pages, the apparatus being characterized by a front stop member and a conveyor belt releasing member whose motion is synchronized with the punch strokes. This action together with use of a joined punch and die assembly in the apparatus adapt the resulting structure for rapid, accurate punching of binding holes in pages received in discrete stacks from a high speed automatic stitcher-binder or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.