Drawing machine having automatically replaced writing members and apparatus therefor
US4683476A · kind A · utility
67Cited by
11References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1985 |
| Grant date | Jul 28, 1987 |
| Priority date | — |
| Expiry date | Jun 13, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D15/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The body of a writing member is movable in translation between a rest position and a work position, at least partly under the action of a magnetic force, and is permanently held against at least one guide element carried by the support, by means of a magnetic attraction force acting transversely relative to the direction of displacement in translation of the writing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.