Patent application number | Description | Published |
20090070078 | ROLLER SCREW AND METHOD OF DESIGNING UNLOADED ROLLER RETURN PATH THEREOF - Provided is a roller screw having an unloaded roller return path of new shape capable of moving rollers smoothly. | 03-12-2009 |
20090148083 | MOVEMENT GUIDING DEVICE FOR VACUUM ENVIRONMENT - A movement guiding device for a vacuum environment is provided so that the device is able to suppress a base oil vaporized in the vacuum environment from leaking to the outside. The movement guiding device for a vacuum environment according to the present invention comprises a track member ( | 06-11-2009 |
20090161996 | MOTION GUIDE DEVICE, TABLE APPARATUS, AND DAMPING METHOD FOR MOTION GUIDE DEVICE - A motion guide device that has a novel damping structure different from the conventional damping structure is provided. The present invention comprises a raceway member ( | 06-25-2009 |
20090252442 | MOTION GUIDE DEVICE AND METHOD OF LUBRICATING THE SAME - A motion guide device is provided, which is able to not only lubricate rolling-element rolling surfaces with the use of a technique totally different from conventional lubricating techniques but also maintain a lubricating capability over a long period of time. The motion guide device for use in the vacuum environment a track member ( | 10-08-2009 |
20100236345 | ROLLING BODY SCREW DEVICE - There is provided a new rolling body screw device manufactured with cheap cost without degrading quality in comparison with a conventional device even for a device having any large dimension in an end-cap type rolling body screw device. The rolling body screw device includes the direction changing passages | 09-23-2010 |
20100242652 | BALL SCREW DEVICE - Provided is a ball screw device having a novel ball circulation structure suitable for a screw shaft with a large lead, optimum for downsizing and weight saving of a nut member, capable of being manufactured at low cost, and capable of exhibiting high reliability even under severe use conditions. In a ball screw device ( | 09-30-2010 |
20100263467 | ROLLER SCREW - Provided is a roller screw capable of preventing rollers moving from an unloaded return path to a loaded roller rolling path from coming into collision with a scooping portion. The roller screw has: a screw shaft | 10-21-2010 |
20120017713 | ROLLING ELEMENT SCREW DEVICE - Provided is a rolling-element screw device which does not sacrifice a stroke distance of a nut member ( | 01-26-2012 |