Type holder, printing type and printing wheel incorporating them
US4932323A · kind A · utility
0Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Jan 27, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F27/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Printing type holder, comprising a rotary drive spindle, a support coaxial with the spindle, which is integral in rotation therewith and has at least one cylindrical part with an outer lateral surface, cavities provided on the outer lateral surface, permanent magnets respectively engaged in the cavities, polar members of soft magnetic material which are provided on either side of each permanent magnet, which extend along generatrices of the support and which define between them the cavities in the form of channels extending parallel to the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.