Biasing apparatus for use with actuators
US8544820B2 · kind B2 · utility
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13References
20Claims
0Family size
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Key dates
| Filing date | Jun 30, 2009 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Feb 8, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B20/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Biasing apparatus for use with actuators are described. A biasing apparatus for use with a piston actuator includes a first sleeve at least partially surrounded by and movably coupled to a second sleeve. Additionally, the biasing apparatus includes a stop to limit an amount of movement of the first sleeve relative to the second sleeve and a biasing element positioned between first and second ends of the respective first and second sleeves to urge the first sleeve away from the second sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.