Wire dot printer with improved wire dot head
US4697939A · kind A · utility
20Cited by
9References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Jan 27, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/275
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A wire dot printer has a wire dot head comprising a plurality of electromagnets for attracting each armature to thereby project each wire to a printing position, a first cover provided with a guide for guiding the wires to the printing position, holding means for holding the electromagnets, the holding means being formed of a material of high heat radiation efficiency, and a second cover connected to the holding means with high heat conducting efficiency and covering the electromagnets and the armatures, the second cover being provided with radiation fins at a plurality of locations thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.