Lever-operated actuator drive unit and operating lever unit
US6601386B1 · kind B1 · utility
21Cited by
13References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 4, 2000 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Feb 4, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87072
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An actuator drive unit in which either of two types of actuators and a drive direction thereof (either forward direction or backward direction) are corresponded to respective four pistons. When one of the four pistons in one of four displacement signal generating units generates a displacement signal, the actuator corresponding to the piston generating the displacement signal is driven in a corresponding drive direction, by an amount of drive corresponding to the displacement signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.