Cancel type printing head
US4511269A · kind A · utility
9Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1983 |
| Grant date | Apr 16, 1985 |
| Priority date | — |
| Expiry date | Mar 31, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/28
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing head is disclosed in which each attraction member is driven by a magnetic attraction and an impact printing operation is carried out by a strain energy caused by a displacement of a spring member provided on the attraction member. The fulcrum of rotation of the attraction member is defined between the attraction member and a magnetic polar face of a yoke constituting a magnetic circuit together with the attraction member. Means for adjusting the resilient force of the spring member is engaged with a free end of the spring member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.