Torque indicator
US8490649B2 · kind B2 · utility
2Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2006 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Jan 21, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8158
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Torque indicator markings incorporated with handwheel devices connected to actuators or valve assemblies provide visual indication of the amount of torque being applied to an actuator or valve assembly by the handwheel device. Tattletale torque indicators incorporated with a handwheel device further provide a persistent indication of the maximum amount of torque applied to an actuator or valve assembly connected to the handwheel device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.