Multi-function operator for control valve device
US4293118A · kind A · utility
7Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1979 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | Nov 26, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87233
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An operting handle assembly for actuating a valve or the like including an adjustable actuating cam member that controls the degree of deflection of the valve to obtain different output pressures for a given handle position, for example, and an adjustable friction brake mechanism that sets the desired tension for handle operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.