Position indicator for a rotary valve actuator
US4718445A · kind A · utility
18Cited by
16References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1986 |
| Grant date | Jan 12, 1988 |
| Priority date | — |
| Expiry date | Oct 16, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8275
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A position indicator for and method for applying the same to valve arrangements having a first strip attached to a first movable part and a second strip attached to a second stationary part of the valve arrangement. The strips have a line arranged down the middle with contrasting lines on either side for easy alignment of the indicator strips. The indicator strips are initially applied as a single strip to the first and second parts of the valve arrangement and then severed at a point between the first and second parts when the valve arrangement is in a known preferred position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.