AU4265797A
Torsion friction spring hinge
Abstract
The present invention is a spring hinge (10) for generating torque. The spring hinge (10) includes a shaft (12) and a single helical element (14). The shaft (12) has a surface (13) with an outer diameter and is capable of rotation. The single helical element (14) is wrapped about the shaft (12). The helical element (14) includes a first end (16) and a second end (18). The helical element (14) produces a variable torque between the first (16) and second ends (18).
Term
Term ended
Projected expiry passed 10 September 2017, 9 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
3 members in 3 offices
Priority claims8
| Document | Office | Kind | Date |
|---|---|---|---|
| 71493996 | United States of America | A | |
| 71493996 | United States of America | A | |
| 9716025 | United States of America | W | |
| 9716025 | United States of America | W | |
| 08714939 | – | – | – |
| PCTUS9716025 | – | – | – |
| US19960714939 | – | – | – |
| WO1997US16025 | – | – | – |
Members3
| Document | Office | Kind | |
|---|---|---|---|
| WO9812404A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU4265797AThis record | Australia | A | |
| US5771539A | United States of America | A |
Numbers
- Publication, DOCDB
- 4265797
- Publication, EPODOC
- AU4265797
- Application
- 4265797
- Application, DOCDB
- 4265797
- Application, EPODOC
- AU19970042657
Titles
- English
- Torsion friction spring hinge
Classification
- CPC, 3
- F16D7/022
- E05D11/084
- E05Y2999/00
- IPC, 2
- E05D11 08
- F16D7 02