Hermetically sealed harmonic drive transmission manufacture
US5642645A · kind A · utility
6Cited by
3References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 25, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Sep 25, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention comprises a harmonic drive transmission assembly for use in contamination free manufacturing fields such as computer chip making. The harmonic drive unit includes a flexspline having a diaphragm at one end and an outwardly flared lip adjacent its other end which is integrally connected to a mounting flange. The flexspline including the diaphragm and mounting flange are all integral with one another, all being machined from a single piece of steel bar stock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.