Actuating device with double screw connecting means
US10378622B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2014 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Nov 16, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H25/2454
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An actuating device having a longitudinal shaft, an internal sleeve, an external sleeve, internal screw connecting means provided between the longitudinal shaft and the intermediate sleeve, external screw connecting means provided between the intermediate sleeve and the external sleeve. The direct efficiency of the internal screw connecting means is higher than the direct efficiency of the external screw connecting means. The self-releasable coupling means are provided between the longitudinal shaft and the internal sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.