Friction plate coupling structure
US6616136B1 · kind B1 · utility
10Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2002 |
| Grant date | Sep 9, 2003 |
| Priority date | — |
| Expiry date | May 9, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/39
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A friction plate coupling structure inside an automatic document feeder. The friction contact surface of the friction plates is designed to have a slant surface resembling a frustum so that overall contact area is increased and stability of the coupling between the friction plates is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.