Direct drive bearing mechanism
US6672765B2 · kind B2 · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19744
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A direct drive bearing mechanism comprises guide plates which are installed to retaining recesses of a guide block and each of which has a plurality of hemispherical dimples, race members which are installed to a guide rail and each of which has a groove having a circular arc-shaped cross section, and a plurality of balls each of which rotates in each of the dimples and which slide along the grooves so that the balls do not circulate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.