Strain wave gearing
US12072010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2023 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jun 9, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2049/003
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A strain wave gear mechanism includes: a casing; an elliptical drive shaft; an outer ring arranged coaxially around the elliptical drive shaft and rotationally fixed to the casing, the outer ring having a toothed inner circumference; a flexible ring mounted around the elliptical drive shaft radially inwards of the outer ring, the flexible ring having a toothed outer circumference. Rotation of the elliptical drive shaft causes elliptical rotation of the flexible ring relative to the outer ring such that teeth of the flexible ring engage with teeth of the outer ring at points corresponding to the major axis of the ellipse of the drive shaft to cause movement of the flexible ring in a direction opposite to rotation of the drive shaft. The outer ring is rotationally fixed to the casing via a solenoid operated disconnect gear configured to selectively disconnect the outer ring from the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.