Horizontal stabiliser actuator with freeplay detecting features and method thereof
US11035445B2 · kind B2 · utility
0Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2014 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Jun 9, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H25/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A screw (20) assembly for an actuator (10) is described comprising: a screw (20); a nut (22) threaded on said screw (20), such that rotation of said screw (20) causes axial movement of said nut (22); a stop located at an end of said screw (20) and defining an axial limit of said nut (22); a first feature located on said nut (22); and a second feature located on said stop; wherein said first and second features are configured to cooperate with one another substantially upon contact of said nut (22) with said stop so as to indicate an amount of free movement between said nut (22) and said screw (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.