Rolling guide device and drive system using rolling guide device
US6712512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2003 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Jan 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling guide device including a track rail formed with a rolling member rolling surface extending along a longitudinal direction thereof; a movable rail formed with a loaded rolling member rolling surface extending along a longitudinal direction thereof so as to oppose the rolling member rolling surface of the track rail; a track rail side rolling member circulation passage formed in the track rail so as to circulate the rolling members rolling between the track rail and the movable rail; a movable rail side rolling member circulation passage formed in the movable rail so as to circulate the rolling members rolling between the track rail and the movable rail; and a number of rolling members disposed and arranged in the track rail side rolling member circulation passage and the movable rail side rolling member circulation passage. A drive system includes such rolling guide device and linear motors having a primary side mounted to either one of the track rail and the movable rail and a secondary side mounted to another one of the track rail and the movable rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.