Rotary helical actuator
US4422366A · kind A · utility
13Cited by
5References
8Claims
0Family size
Inventor
Key dates
| Filing date | Oct 16, 1981 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Oct 16, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B15/224
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Helically splined hydraulic actuator provided with hydraulic cushioning and rapid initiation of movement. The actuator is provided with an elongated cylindrical bearing integral with the shaft of the actuator for increasing radial and moment load-carrying capacity of the actuator without increasing its length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.