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 |
20090084212 | SCREW DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is a screw device capable of preventing occurrence of any elevation change at a joint between a ball return path of a circulation member and a loaded ball rolling groove of a nut. | 04-02-2009 |
20090151493 | ROLLING-ELEMENT SCREW DEVICE AND METHOD OF ASSEMBLING THE SAME - The present invention provides a rolling-element screw device capable of offering advantages of both an end cap type ball screw and a return pipe type ball screw and belonging to an intermediate new category between these ball screws. | 06-18-2009 |
20100192711 | ROLLING DEVICE - A rolling device having high silencing effect and requiring no positional alignment working to the seal is provided. The rolling device includes an inner member, an outer member and a number of rolling members disposed between these inner and outer members to thereby allow the outer member to carry out relative rotational motion with respect to the inner member. In such rolling device, an end plate | 08-05-2010 |
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 |
20100242651 | ROLLING-ELEMENT SCREW DEVICE - Provided is a rolling-element screw device in which a recess can be easily formed in an outer diameter portion of a nut main body for receiving a circulation member. At both ends of a straight passage | 09-30-2010 |
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 |
20100282011 | ROLLER SCREW AND METHOD OF CIRCULATING ROLLERS IN ROLLER SCREW - There is provided a roller screw in which a twisted amount of an unloaded return path is reduced. | 11-11-2010 |
20110126648 | SEALED LINEAR ACTUATOR UNIT - A linear actuator unit has a slide plate which is allowed to freely move along the outer rail while causing a cover to retreat. The linear actuator unit includes: an outer rail, which is formed into a cylindrical shape, and includes the slit-opening portion formed along an axial direction thereof; the slide plate ( | 06-02-2011 |
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 |