Dot matrix type printer
US4306497A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1979 |
| Grant date | Dec 22, 1981 |
| Priority date | — |
| Expiry date | Jul 6, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/245
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An improved dot matrix type printer including a carriage mechanism for a printer head having a plurality of printer elements aligned immediately before a platen adapted to carry a sheet of paper to be printed and along a direction parallel to the axis of the platen, the carriage mechanism comprising a balancing mass, a first resilient member which is adapted to connect the balancing mass to the printing head, and a second resilient member which is adapted to connect the balancing mass to a base structure member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.