| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 384044000 | Roller | 30 |
| 20080226209 | BEARING ARRANGEMENT FOR A ROTATING SHAFT, AND TURBINE ENGINE EQUIPPED WITH SUCH AN ARRANGEMENT - The bearing arrangement ( | 09-18-2008 |
| 20080232726 | LINEAR ROLLING BEARING - A linear roller bearing includes a guide carriage braced longitudinally movably on a guide rail in the axial direction thereof via roller bodies; the guide rail has one bottom face, one top face, and two side faces, which join the bottom face and the top face and on each of which side faces at least one track for roller bodies is located; the guide carriage has two leg parts and one crosspiece joining the two leg parts, so as to embrace the guide rail in essentially a U shape, and at least one roller body race is located in each of the leg parts; and furthermore a roller body race has a load-accepting track, a return track, and curved tracks that join the two tracks, and the load-accepting track of the guide carriage is formed by a raceplate that is parallel to the axial direction of the guide rail and that rests partially on the guide carriage and is braced in rocking fashion about an axis that is approximately perpendicular to the axial direction of the guide rail. The ratio of the thickness of the raceplate to the diameter of the roller body is in a range of from 0.8 to 1.2, and preferably in a range of from 0.8 to 1.1. | 09-25-2008 |
| 20080253702 | Linear Guideway with a Synchronous Connector - A connector for a linear guideway is integrally formed by injection molding. The mold assembly of making the connector includes an upper mold, a lower mold and a pin. The variable cross section design of the pin enables the connector to have a plurality of ring-shaped portions with more than two different axial thicknesses, so that the distances between the respective rolling elements are different, and the frequencies of the respective rolling elements are also different, and as a result, the resonance sound pressure caused by the linear guideway and the machine are reduced. In addition, the variable cross section design of the pin reduces the manufacturing difficulty of making a relatively long connector. | 10-16-2008 |
| 20080279491 | Linear Motion Rolling Guide Device and Lens Device - The present invention relates to a linear motion rolling guide device which enables a movable element to linearly move through rolling elements, and to a lens device including the linear motion rolling guide device. | 11-13-2008 |
| 20080298729 | LINEAR MOTION GUIDE UNIT WITH ROLLERS - A linear motion guide unit with high stiffness, high accuracy and long-lasting service life is provided in which a rolling element is a roller and a carriage of a slider is made long to allow a crowning profile to be long. The carriage has an overall length equivalent to substantially four times a width of a guide rail. The carriage is made thereon with a raceway surface that is modified near lengthwise opposite ends thereof crowning profiles each of which has a crowning length equivalent to four times as long as a diameter of the roller and also has a crowing depth equivalent to an amount of elastic deformation that occurs in the raceway surfaces and the roller when the slider undergoes a load reaching a half of a static nominal standard load. | 12-04-2008 |
| 20080317390 | Linear Rolling Bearing - Linear roller bearing, for carriage ( | 12-25-2008 |
| 20080317391 | Parallel Spacer for a Linear Guideway - A parallel spacer for a linear guideway comprises a plurality of parting portions, connecting portions and a retaining portion. Each of the parting portions is a thin member disposed between each pair of neighboring rollers. The connecting portions are employed to connect the parting portions and the retaining portion, and the retaining portion is arranged at a side of the respective rollers and located in an axial direction thereof, the retaining portion is an integral structure for connection with the respective connecting portions. | 12-25-2008 |
| 20090016653 | Guiding Device for a Synchronous Connector - A guiding device for a synchronous connector comprises a strip-like synchronous connector and at least one connecting member. Both ends of the synchronous connector are formed with two opposite fixing seats. The connecting member with elastic deformation characteristic is serially connected and fixed in the fixing seats at both ends of the synchronous connector, slide correspondingly to the clearance change during the operation of the two ends of the synchronous connector, and bend correspondingly to the turning action of the synchronous connector. By such arrangements, the elastic deformation characteristic of the connecting member can be utilized to avoid the collision interference with the rail wall surface, and the linear guiding device will be circulated smoothly and stably. In addition, the guiding device has the effect of absorbing the radial deformation of the synchronous connector and producing sufficient degree of freedom. | 01-15-2009 |
| 20090016654 | LINEAR MOTION GUIDE UNIT WITH ROLLER - A linear motion guide unit is envisaged smooth transfer of a roller from a turnaround passage to a return passage and vice versa across a joint between the turnaround passage and the associated return passage. Protrusions extending stepwise from an end of the turnaround passage come into complementary fit joints with an associated end of a tubular member defining the return passage to make wall surfaces to guide axially opposite ends of the roller, in which the joints are staggered or different in their locations between wall surfaces. The return passage is defined with a fore-and-aft hole of rectangular shape in transverse section inside a tubular member that fits into a bore made in the carriage. The tubular member is joined at lengthwise opposite ends thereof together to the protrusions that are raised above end surfaces of the end caps to extend the turnaround passage into the bore. Edges of the protrusions come into complementary fit joints with the associated ends of the tubular member to provide wall surfaces to guide axially opposite ends of the roller. | 01-15-2009 |
| 20090232427 | Sliding-assistance unit for a linear motion apparatus - A linear motion apparatus has a linear track, a slider and two sliding-assistant units for a linear motion apparatus. The sliding-assistant units for a linear motion apparatus is mounted between the track and the slider to enhance ease of movement between the track and the slider, and each sliding-assistant unit has two roller rings to receive rollers. The roller rings are elongated rectangular rings, are selectively mounted oppositely crossly around each other. Each roller ring is designed with reduced components to make manufacturing and assembling the sliding-assistant unit easier. Moreover, the roller ring is designed as one unity so no seam will be formed due to assembling two different pieces, such that ensures contact between the rollers and the roller ring smooth. | 09-17-2009 |
| 20090245703 | LINEAR MOTION GUIDE UNIT - A linear motion guide unit has a binding strip adapted to fasten a retainer plate to a carriage miniature in dimension, but long in lengthwise direction. The linear motion guide unit has a retainer plate lying lengthwise of the carriage in opposition to load-carrying race to keep more than one roller running through the load-carrying race, and a binding strip to fasten the retainer plate to the carriage. The binding strip is composed of a major part having any number of bents which are positioned at regular intervals in the longitudinal direction of binding strip, and lengthwise opposite angled parts prepared to come into engagement with the end caps, so that the binding strip urges elastically at the bents thereof the retainer to come into close engagement with carriage. | 10-01-2009 |
| 20090263055 | LINEAR ROLLER BEARING WITH SEPARATE ROLLING SURFACE PARTS - A guide carriage for a linear roller bearing is supportable in a longitudinally displaceable manner via at least one row of rollers on a guide rail which extends in a longitudinal direction, a separate rolling surface part which includes a rolling surface for the rollers is assigned to each row of rollers, and the rolling surface part is connected via an adhesive layer to a carrier body. The adhesive layer is designed essentially planar on the back side of the rolling surface part which faces away from the rolling surface, the rolling surface part being accommodated in a recess—which has an L-shaped cross section—of the carrier body. | 10-22-2009 |
| 20090279814 | LINEAR BEARING - A linear bearing includes a casing which has multiple slots defined axially through a wall thereof and rollers are engaged with the slots. Two grooves are radially defined in the outer surface of the casing and located close to two ends of the casing. The grooves communicate with the slots. Two collars are engaged with the grooves so as to prevent the rollers from disengaging from the slots. Each slot includes guide grooves defined in two insides thereof so that the two axles on two ends of each roller are engaged with the guide grooves. | 11-12-2009 |
| 20090285512 | ROLLER BEARING, ROLLER BODY FOR A ROLLER BEARING, AND DEVICE HAVING ROLLER BEARINGS - A roller bearing includes an outer ring of metal, an inner ring of metal, and at least one roller body which is made of a material which includes ceramic, with carbon nanotubes and/or carbon nanofibers being embedded in the ceramic material of the roller body. As a result, the roller body is rendered electrically conductive, and allows measurement of a thickness of a lubricating film in the roller bearing. Furthermore, heat is carried from the inner ring to the outer ring as a result of increased thermal conductivity. | 11-19-2009 |
| 20090290819 | Rolling Element Chain System for a Linear Guideway - A rolling element chain system for a linear guideway comprises a slide rail, a slide block, a plurality of rolling elements and a rolling element chain. The circulating path of the slide block is interiorly provided with a guiding groove with a width C, and the rolling elements roll within the circulating path and are confined by the rolling element chain. The rolling element chain has a plurality of spacers for separating the rolling elements from one another and linking portions with a thickness t for linking the rolling elements with one another. The spacer at each end of the rolling element chain has a retaining capacity B for holding the corresponding rolling element. The above structure satisfies the relation: C| 11-26-2009 | |
| 20100040314 | Linear Guideway - A linear guideway essentially comprises plural bolt-hole covers, and each of the bolt-hole covers essentially includes a main body and an elastic part. The main boy includes a cover plate and a positioning portion. The periphery of the positioning portion is provided with a guiding portion and a groove, and the positioning portion is provided with plural cutting grooves vertical to the cover plate for offering flexibility to the positioning portion. The elastic part is installed in the groove of the positioning portion. With the elastic functions of the positioning portion and the elastic part, the bolt-hole cover can be fixed in the bolt hole more stably through the interference with the bolt hole. | 02-18-2010 |
| 20100215295 | Roller holder for motion guide device - A roller holder includes a number of couplers disposed between two longitudinal rods for coupling the rods together and for forming a number of compartments to receive rolling members, and two retaining devices disposed in each compartment of the roller holder and attached to the rods for retaining the rolling members in the compartments and between the rods and the couplers of the roller holder, and for preventing the retaining devices from being impacted by the rolling members, the retaining devices each include a projected portion located above the rods and a protruded portion located below the rods and the couplers for engaging with the rolling members. | 08-26-2010 |
| 20110206304 | Rolling body guide with a separately exchangeable rolling body as well as a receiving section and a rolling tool with an associated exchange method - More specifically during manufacture of hydraulic cylinders for the crane industry, tubular bodies must be rolled on their inner and/or outer surfaces, in order to be able to ensure a sufficient durability of the hydraulic cylinders. Tools with a rolling body guide are used for this. The disadvantage of the prior art is that the replacement of a rolling body guide leads to immobilization times. The present invention therefore proposes an improvement to the prior art with a rolling body guide for receiving and feeding rolling bodies which are used for finish rolling or roller compression of an inner or outer surface of a tubular body and where the rolling body guide has at least two defined detachable receiving sections, so that a modular assembly of the rolling body guide is realizable. | 08-25-2011 |
| 20120134608 | ROLLING ELEMENT RETAINER CHAIN - A rolling element retainer chain provides a row of rolling elements smooth running in a recirculation passage and keeps a predetermined spacing distance between two adjacent rolling elements and the rolling elements be separated without contact to each other; the rolling element retainer chain comprises at least one thin flexible metal strip having a row of longitudinal arranged holes; a row of cross arranged latten between holes are formed thereof; and a number of spacers, incorporated on the cross arranged latten; the strength of the flexible metal strip is much higher than that of the resin materials conventionally used and can endure higher tension without broken, and thus a longer operating duration can therefore be achieved; both ends on the flexible metal strip can be overlapped wholly fixed without interference because of thinner thickness thereof, and a close loop rolling element retainer chain is formed thereof. | 05-31-2012 |
| 20130071052 | Slide Rail Device - A slide rail device includes a guide rail, a slider slidable along the guide rail, and a pair of cylindrical roller train sets disposed at two opposite sides of the guide rail. Each cylindrical roller train set is disposed between the guide rail and the slider, and has a plurality of cylindrical rollers. Each cylindrical roller has a first roller surface portion and a second roller surface portion that is recessed relative to the first roller surface portion. The first roller surface portions of the cylindrical rollers are in rolling contact with the guide rail and the slider, and the second roller surface portions of the cylindrical rollers are free of contact with the guide rail and the slider. | 03-21-2013 |
| 20140376838 | SLIDER ASSEMBLY - A slider assembly configured to move on a slide rail along an axial direction without limitation in distance is provided to solve the problems of the middle retaining members of a conventional circulation maintaining device, e.g., insufficient connection rigidity and inconvenience in manufacture and assembly. The positioning portion of a middle retaining member and the positioning portion of the protrusion of a slider are connected in a direction perpendicular to both the axial direction and a transverse direction in which the protrusion projects, thereby connecting the middle retaining member and the protrusion securely and evenly along their entire lengths. The middle retaining member and the protrusion also feature ease of manufacture and assembly. | 12-25-2014 |
| 20150016759 | ROLLING GUIDE DEVICE - A rolling guide device is capable of facilitating smooth circulation of rolling elements in an endless circulation path, and enhancing the accuracy of motion of a moving member relative to a track member. The moving member includes: a main body member having load rolling surfaces and return paths for the rolling elements; direction change pipes incorporating inner direction change paths and having inner peripheral guide surfaces of outer direction change paths, respectively; and lid members each being mounted on the main body member and having outer peripheral guide surfaces of the outer direction change paths. The main body member has position reference holes formed therein so as to serve as position references for the direction change pipes, respectively, whereas the direction change pipes have positioning protrusions formed thereon so as to be press-fitted into the position reference holes, respectively. Further, the direction change pipes include rotation restriction protruding portions. | 01-15-2015 |
| 20150036953 | MOTION DEVICE - A motion device includes a track rail, a moving body, rolling elements, fixing members each fixed to an end surface of the moving body, and rolling element circulation members arranged between the moving body and the fixing members. The rolling element circulation members each have a connection section connected to the moving body so as to be rotatable about a Y direction, and a pair of first outside surfaces. The fixing members each have accommodation sections to accommodate the rolling element circulation members, and a pair of first inside surfaces closely contact with the pair of first outside surfaces. The respective rolling element circulation members and the accommodation sections are provided at both sides of the track rail interposed there between. | 02-05-2015 |
| 20150043843 | ROLLING GUIDANCE DEVICE - A rolling guide device is capable of preventing a scooping piece formed on a circulation path module from being deformed along with use over time, and enhancing the durability of the scooping piece, thereby achieving smooth motion of a moving member relative to a track member. A moving member includes: a main body member having load rolling surfaces and return paths for rolling elements; direction change pipes having formed therein inner direction change paths and having inner peripheral guide surfaces of outer direction change paths, respectively; and lid members each being mounted on the main body member and having outer peripheral guide surfaces of the outer direction change paths. Each of the direction change pipes includes: a first half circulation segment and a second half circulation segment; and a scooping portion for guiding the rolling elements into each of the inner direction change paths. | 02-12-2015 |
| 20150093056 | LINEAR GUIDEWAY AND RETAINER THEREOF - A retainer of the linear guideway comprises a retaining member a supporting member. The retaining member has a base portion and two side wing potions integrally extended from the base portion. The base portion has a receiving groove, and each side wing portion has a positioning opening. One positioning opening is offset with respect to the receiving groove along a first direction, and another positioning opening is offset with respect to the receiving groove along a second direction opposite to the first direction. One side portion of the supporting member is wedged to the receiving groove of the base potion. Thus, the instant disclosure provides the retainer for positioning two staggered circulation tubes. Moreover, the instant disclosure also provides a linear guideway. | 04-02-2015 |
| 20150131930 | LINEAR GUIDEWAY AND CIRCULATION MODULE THEREOF - A circulation module of a linear guideway for being installed on a sliding block, comprises two circulation tubes each having a fill-in opening, two rolling units respectively arranged into the circulation tubes via the fill-in openings, and two separating sheets respectively installed on the circulation tubes to shield the fill-in openings. When the circulation tubes coupling through the sliding block, the fill-in openings respectively expose from two opposite ends of the sliding block, and part of each rolling unit arrange out of the corresponding circulation tube is disposed on the sliding block. Thus, the instant disclosure provides the circulation module for receiving the rolling units quickly and simplifying the construction of an end cap module mating thereto. Moreover, the instant disclosure also provides a linear guideway. | 05-14-2015 |
| 20150362014 | MOTION GUIDE DEVICE - Provided is a motion guide device in which a moving member is equipped with circulation path moldings. With the device, ease of assembly and moldability can be improved. A moving member is provided with circulation path moldings, which have: holding sections that extend along loaded rolling-element rolling sections; return path configuring sections that configure return paths; and a pair of direction-change path inner circumference configuring sections that configure the inner circumferences of a pair of direction-change paths. The circulation path moldings are provided with a first molding in which one direction-change path inner circumference configuring sections is integrally molded with the holding section and a second molding in which the other direction-change path inner circumference configuring section is integrally molded with the return path configuring section. The first molding and the second molding are separate bodies. | 12-17-2015 |
| 20150369282 | MOTION GUIDE DEVICE - The linear guide | 12-24-2015 |
| 20160178003 | LINEAR SLIDE OVER-MOLDING FABRICATION METHOD, LINEAR SLIDE THUS MADE | 06-23-2016 |
| 20160195131 | MOTION GUIDE DEVICE | 07-07-2016 |
