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| Number | Title | Issue Date |
| 8157446 | Cage for a roller bearing and method of producing the same A cage for a roller bearing comprises a base body with a plurality of pockets for the reception of the roller elements of the roller bearing. At least a part of the surface of the base body is coated with a layer consisting of or containing fullerene-like carbon nit... | 04/17/2012 |
| 8142079 | Linear motion guide unit with means for keeping cage against wandering A liner motion guide unit has a means to keep a cage against wandering, in which a pinion is made up of holder halves that are adapted to squeeze each other against the cage to make sure of keeping a pinion in place with accuracy. The means for keeping the cage agai... | 03/27/2012 |
| 8118491 | Rolling element chain A rolling element chain (8) which includes a plurality of rolling elements that are disposed in a row one after the other in a cage strip (12) and interspaced by separating webs (13) of the cage strip (12). The separating webs (13)... | 02/21/2012 |
| 7985024 | Rolling element accommodating belt for linear guide apparatus, linear guide apparatus and metallic mold for manufacturing rolling element accommodating belt The metallic mold 90 includes a product configuration portion 93 formed between an upper mold 91 and a lower mold 92. This product configuration portion 93 is composed so that a rolling element accommodating belt 50 formed b... | 07/26/2011 |
| 7802922 | Retaining structure for rolling elements An improved retaining structure for a rolling element comprises a plurality of separated pieces, two pairs of connecting ribbons, two pull-resisting ribbons, and a plurality of rolling elements. The separated pieces respectively have a plurality of contacting surfac... | 09/28/2010 |
| 7758245 | Rolling guide unit with separator interposed between any two adjacent rolling elements A rolling guide unit has a separator to adjust an interval between any two adjacent rolling elements. The separator is made to have flexibility or elasticity enough to afford any desired elastic deformation, even with keeping sufficient mechanical stiffness or rigid... | 07/20/2010 |
| 7632018 | Synchronous chain for a linear guideway A synchronous chain for a liner guideway moved in the guideway by cooperating with rolling elements, which is characterized in that: both ends of the chain are connected to a head portion and a tail portion respectively, furthermore, the head portion and the tail po... | 12/15/2009 |
| 7625120 | Roller retainer A roller retainer mounted on a roller comprises a first guiding frame and a second guiding frame that are integrally connected with each other in a vertically staggered manner. The first guiding frame and the second guiding frame are located along the two diagonals ... | 12/01/2009 |
| 7563029 | Rolling element chain A rolling element chain has a connecting belt and multiple retaining elements. The connecting belt is extended longitudinally and has multiple receiving holes. The receiving holes are defined at intervals through the connecting belt and have two sides opposite to ea... | 07/21/2009 |
| 7467895 | Separator and linear guide apparatus A separator for use in a linear guide apparatus including a guide rail, a slider, and a plurality of rollers which circulate along an endless circulation passage provided in the guide rail and the slider and having guide grooves. The separator includes a separator b... | 12/23/2008 |
| 7458722 | Magnetic spacer A spacer contains a magnetic filler and is disposed between the magnetic conductive balls. The magnetic filler produces an indirect magnetic attractive force on the balls, therefore, when the interval between the two neighboring balls is overlarge, the spacer will n... | 12/02/2008 |
| 7458723 | Linear guide with cage chain Linear guide having a guide carriage (1) which can be mounted on a guide rail (2) in a rolling manner via rolling elements (3) and is provided with at least one endless rolling-element passage (5) for the rolling elements (3), whic... | 12/02/2008 |
| 7438474 | Spacer structure for cross rollers A spacer structure for cross rollers comprises a frame and four protruding wings, the protruding wings are arranged in pairs on opposing sides of the frame and outwardly extend therefrom. The two inactive end surfaces of the roller are confined between the paired pr... | 10/21/2008 |
| 7419303 | Ball connecting body for a rolling motion apparatus A ball connecting body for a ball screw or a linear guide-way, comprises spacers, guide linking members, and connecting members. The spacers are interposed between two adjacent balls, thereby preventing the two balls from hitting. The guide linking members are used ... | 09/02/2008 |
| 7377694 | Roller connecting and retaining device A roller connecting and retaining device comprises two connecting portions, a plurality of retaining portions and spacer portions. The retaining portions are oppositely arranged in pairs and connected vertically to the connecting portions. The spacer portions are co... | 05/27/2008 |
| 7329047 | Rolling member connection belt and motion guide device provided with same A motion guide device is provided with a rolling member connection belt for holding a series of rolling members which circulate in a circulation passage provided with a loaded rolling passage, a non-loaded return passage and a pair of rolling direction changing memb... | 02/12/2008 |
| 7320547 | Ball chain A ball chain used in a linear guideway, at either end of the chain is formed a protruded connecting block, the connecting blocks each has an abutting surface that is parallel to a radial direction of a center of the radius of curvature of the ball chain, the abuttin... | 01/22/2008 |
| 7263908 | Ball screw Ball screw, between the spindle nut (1) and threaded spindle (2) of which at least one ball chain (6, 8) formed from balls (9) rolls in each case along a ball channel (5) which is delimited by ball grooves (3, 4) formed on t... | 09/04/2007 |
| 7213896 | Flexible bearing spacer A bearing spacer for use in a drawer slide assembly, having a first end portion, a second end portion opposite the first end portion, one or more bearing retaining portions, located between the first and second end portions, and one or more compressible portions, lo... | 05/08/2007 |
| 7210849 | Sliding apparatus To provide a sliding apparatus which may depress a micro slip phenomenon without fail and realize the system with a simple structure and which is less expensive to save a cost and superior in practical use. In a sliding apparatus in which a sliding member (2)... | 05/01/2007 |
| 7178982 | Retaining device for rolling-element A retaining device for rolling-element includes the partition and the link-belt. The characteristic of the retaining device for rolling-element is that the partition is linked to form a ring by the link-belt, then the ring is turned in to form a space for retaining ... | 02/20/2007 |
| 7171868 | Bearing assembly A bearing assembly which spaces bearing elements in an unequal relationship from one bearing element pocket to the next. The spacing minimizes the likelihood that the bearing elements will rest in the exact same location on an inner and outer race to reduce the pote... | 02/06/2007 |
| 7140967 | Displacement joint A displacement joint includes an outer joint part having circumferentially spaced recesses to form tracks. A tripod is mounted in fixed rotative engagement to a driveshaft and includes a tripod spider which has spherical arms spaced circumferentially in symmetric di... | 11/28/2006 |
| 7086305 | Gearshift device A gearshift device for a multiple-gear change box of a vehicle includes at least two gearshift rods with a rectangular cross-section. A roller bearing and a locking device are provided for guiding and locking the gearshift rods, with each gearshift rod having its ow... | 08/08/2006 |
| 7044642 | Guiding module for rolling-element The present invention relates to a guiding module for rolling-element, which is comprised of the partition and the link-ring. The characteristic of the guiding module for rolling-element is that has the rotatable structure, which uses the cooperation of pillar and t... | 05/16/2006 |
| 7004633 | Rolling element retainer A rolling element retainer whose respective components are allowed to move angularly with respective to each other, and the engagement between the ring portion and the trough of the respective units is in form of the engagement of cylindrical ring portion with curve... | 02/28/2006 |
| 6997078 | Ball screw apparatus A ball screw apparatus which can suppress retaining pieces from contacting a wall of a ball rolling path or ball circulating path, and suppress the retaining pieces between the balls from falling down, so that such a ball screw apparatus can be improved in noise red... | 02/14/2006 |
| 6966698 | Clip-chain module of rolling unit The present invention relates to a clip-chain module of rolling unit, which structure had the spacers, the end-part and the link-belt. The characteristic of the clip-chain module of rolling unit was made up of one or upward half clip-chains, thereby can reduce the f... | 11/22/2005 |
| 6923575 | Ball spacer and rolling device using it The present invention relates to a ball spacer and the rolling device using it. The ball spacer of the present invention makes the ball doesn't touch to his adjoining ball, so as to reduce the noise. Besides, the ball spacer comprises a cylinder surface touching to ... | 08/02/2005 |
| 6918700 | Ball bearing rail assembly A ball bearing rail assembly includes a first slide member (100), a second slide member (200), and a plurality of ball bearings (300) movably retained in the first slide member. The first slide member includes a plurality of spoon-like tabs (... | 07/19/2005 |
| 6890103 | Linear guide bearing apparatus In a linear guide bearing apparatus wherein a separator is interposed between adjacent balls K and K moving following a curved circulating path 8, and the ball K contacts concave faces W of the separator T at both ends in an axial line direction and at the sa... | 05/10/2005 |
| 6886983 | Linear motion guide unit with means for keeping cage against wandering A linear motion guide unit is disclosed in which a rack-and-pinion arrangement is interposed between paired guide rails to keep a cage retaining more than one rolling element therein against falling off from the guide rails. In the linear motion guide unit, the cage... | 05/03/2005 |
| 6880975 | Linear motion guide unit A linear motion guide unit has a track rail of a pair of side walls on which raceway grooves are formed. In the depths or bottom of the raceway grooves there are cut deeply relief flutes, one to each raceway groove, where retainer bands to keep rolling elements agai... | 04/19/2005 |
| 6799079 | Method and apparatus for correcting positional deviation of finite linear rolling guide There is provided a finite type rolling guide deviation correcting method and system capable of detecting the deviation in relative position between a rolling guide and a movable body if the deviation in relative position increases, and automatically carrying out a ... | 09/28/2004 |
| 6779923 | Roller retainer, direct-acting guide device and roller screw using the roller retainer In a roller retainer assembly, a roller retainer 15 is thinned to retain individual one of plural rollers 7 circulating in a roller circulation path inclusive of linear and curved races and to hold opposite side surfaces of the roller 7 and fron... | 08/24/2004 |
| 6779419 | Linear motion guide bearing device and ball screw device A rolling element series is formed with a plurality of spherical rolling elements and four kinds of retainer pieces. The element-to-element thicknesses TA, TB, TC, and TD of the retainer pieces are different: TA>TB>TC>TD. | 08/24/2004 |
| 6736541 | Linear motion guide unit with means for keeping cage against wandering In a linear motion guide unit in which a rack-and-pinion arrangement is interposed between paired guide rail members to keep a cage against falling off from the guide rail members, the rack is made reduced in size in depth direction to fit well in even a gutter cut ... | 05/18/2004 |
| 6709158 | Linear motion guide unit with separator between any two adjoining rollers A linear motion guide unit is disclosed in which a separator interposed between any two adjoining rollers fits over or embraces the rollers flanking the separator, thereby realizing low noise and low wear. The separator lying between any two adjoining rollers is mad... | 03/23/2004 |
| 6692151 | Linear motion guide with a positively guided cage for rolling elements A linear motion guide for mounting and longitudinally guiding machine parts, in which a first guide element provided to be fixed to a machine part is guided by a plurality of rolling elements along a longitudinal movement axis with respect to a second gui... | 02/17/2004 |
| 6682218 | Linear motion guide unit with separator between any two adjoining rolling elements A linear motion guide unit is disclosed in which a separator is made to fit over or embrace any adjacent rolling element, thereby realizing quiet operation and wear-resistance, with even under high-speed, high-cycle sliding motion. The separator has a rou... | 01/27/2004 |