Motion guide device and method of producing the same
US8821020B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jan 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49684
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The motion guide device has a raceway rail having a rolling-element rolling part; a moving block having a loaded rolling-element rolling part facing the rolling-element rolling part and a rolling-element circulation passage including a rolling-element return passage extending approximately in parallel with the loaded rolling-element rolling part; and a plurality of rolling elements arranged in the rolling-element circulation passage. The moving block has a rolling part made of steel and having the loaded rolling-element rolling part, a mounting part connected to the rolling part, having a mounting surface for mounting the moving block onto a counterpart device and having a specific gravity lower than that of the rolling part, and a return part made of resin and having the rolling-element return passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.