| Patent application number | Description | Published |
|---|
| 20080212905 | Motion Guide Device - A motion guide device having a novel scoop section structure whose scoop section is not likely to break even if a movement member is moved at high speed. A scoop section ( | 09-04-2008 |
| 20080245170 | Roller Screw - A roller screw is provided having a structure suitable for circulating rollers. The roller screw has a screw shaft | 10-09-2008 |
| 20080253703 | Method of Manufacturing Linear Guide Device and Track Rail For the Linear Guide Device - Provided are a linear guide device and a method of manufacturing a track rail of the linear guide device which make it unnecessary to finish rolling contact surfaces for rolling bodies for the purpose of ensuring parallelism between the rolling contact surfaces after fixing a plurality of rail members, in which the rolling contact surfaces for the rolling bodies are formed, to a rail housing while making it possible to achieve a maximum possible improvement in production efficiency and a reduction in production cost in producing the track rail. The track rail is composed of a pair of the rail members in which rolling contact surfaces for rolling bodies are formed, respectively, and the rail housing equipped with a pair of rail mounting grooves in which those rail members are fitted, respectively. Each of the rail members is fixed within a corresponding one of the rail mounting grooves via an adhesive layer. A reference projection, formed on a bottom of one of the pair of the rail mounting grooves, is in contact with a corresponding one of the rail members without the intermediary of the adhesive layer. The rail member fitted in the one of the rail mounting grooves is adhesively fixed in a state of being abutted against the reference projection. The rail member fitted in the other rail mounting groove is adhesively fixed at a predetermined distance from the reference projection. | 10-16-2008 |
| 20090049938 | Electric Actuator - An electric actuator is provided with a power transmission mechanism capable of converting a rotating driving power supplied from an electric motor to a reciprocating motion. This power transmission mechanism is provided with a cylindrical member formed, in its inner peripheral surface, with at least one row of rolling member rolling groove, a nut member disposed to be reciprocally through the rolling members endlessly circulating in the inner peripheral surface of the cylindrical member, and a cylinder rod operatively connected to an end portion of the nut member to be axially movable with respect to the cylindrical member. The reciprocating motion of the nut member in the axial direction is guided by the circular cylindrical member. According to such structure, high output and high controllability can be realized, as well as realizing of a compact electric actuator of a size similar to a conventional hydraulic cylinder. | 02-26-2009 |
| 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 |
| 20090152960 | MICRO ACTUATOR - Disclosed is a micro actuator capable of being formed in compact as a whole, such as 10 mm in diameter by diminishing a difference between a stroke distance of a moving member and an overall length, and by reducing a sectional area taken in a direction orthogonal to a stroke direction. The micro actuator includes: a spline shaft formed as a cylinder with a hollow part and having an axially extending slit opening; a spline nut fit-engaged with the spline shaft and axially guiding the spline shaft; a pair of end caps fixed to openings at both ends of the spline shaft; a magnet rod supported at both ends within the hollow part of the spline shaft by the end caps; and a forcer loosely fit-engaged with a periphery of the magnet rod within the hollow part of the spline shaft to constitute a linear motor together with the magnet rod and connected with the spline nut through the slit opening. | 06-18-2009 |
| 20090154850 | MOTION GUIDE DEVICE, RELATIVE MOTION SYSTEM AND DISPLACEMENT ABSORBING MECHANISM - Provided is a motion guide device having a low rigidity in the vertical direction and a low rigidity in the horizontal direction. | 06-18-2009 |
| 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 |
| 20090169139 | MOTION GUIDE DEVICE AND METHOD OF ASSEMBLING MOTION GUIDE DEVICE - A motion guide device is provided which is able to damp the moving block from vibrating in a direction perpendicular to an axis of the raceway rail. | 07-02-2009 |
| 20090249911 | SCREW DEVICE - The present invention provides a screw device enabling insulation of sounds occurring from the inside of the screw device when circulating rolling elements. | 10-08-2009 |
| 20090249912 | ROLLER SCREW - The present invention provides a roller screw capable of circulating rollers smoothly. | 10-08-2009 |
| 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 |
| 20090263054 | GUIDE TABLE DEVICE - A guide table device is provided with a lower-side plate | 10-22-2009 |
| 20090293658 | LOW-NOISE SCREW DEVICE - Provided is a screw device capable of reducing noise generated therefrom. | 12-03-2009 |
| 20100158420 | METHOD OF MANUFACTURING MOTION GUIDE DEVICE AND MOTION GUIDE DEVICE MANUFACTURED BY THE METHOD - There is performed a treatment including a grinding working step of grinding at least a portion of a rolling surface and a sliding surface of a motion guide device using a rolling member by a grinding working using a grinding stone, and a surface treating step of effecting a peening treatment to a friction surface formed by the grinding working to render a defect on the friction surface caused by the grinding working harmless. By manufacturing a motion guide device through such treating steps, a defect such as flaw generated on the friction surface is made harmless, the fatigue strength, sliding performance and lifetime of the device can be improved. Even in a travelling distance test, a travelling distance largely over a calculated lifetime could be achieved. | 06-24-2010 |
| 20110072667 | METHOD OF MANUFACTURING A SPHERICAL BEARING - Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member. | 03-31-2011 |
