Anti-backlash device and method
US10738865B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Aug 27, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2481
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An anti-backlash device for preventing backlash derived from a moving load on a screw used in converting rotary motion into linear motion, the anti-backlash device comprising: a cylindrical pressure actuator integrally formed with a helical thread and axially mounted on the screw; a cradle integrally formed with a helical thread and internal cradle threads, the cradle being mounted exterior to and in mechanical contact with both the cylindrical pressure actuator and the screw, and a preloading means comprising a wave spring and a retainer mounted in the cradle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.