Printer ribbon spool having a connection of an end piece with a cardboard tube core
US5997195A · kind A · utility
8Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1998 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Jun 1, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2301/41369
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tube-shaped stub (5) of an end piece (2) is inserted into ribbon tube core (1). The stub (5) has, adjacent to its free end, hook-like projections (11). This achieves secure anchoring of the end piece (2) in the core (1), even under changing climatic conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.