Hammer actuated dot matrix pattern printer
US4068583A · kind A · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1976 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Aug 10, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/31
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dot matrix pattern printer of the impact type mainly comprises a hammer of which an active portion is flattened to have a predetermined length in the lateral direction, and a vertical line element which has a predetermined length in the vertical direction and is driven to shift its position in the lateral direction. Combination of the hammer actuation, the vertical line element location, and a paper feed in the vertical direction provides a printed pattern in, for example a 5 .times. 7 dot matrix pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.