| Patent Number |
Title Of Patent |
Date Issued |
| 7614790 |
Linear driving device with a self-lubricating assembly |
November 10, 2009 |
| A self-lubricating assembly for a linear driving device comprises an oil applying subassembly, an oil transmitting subassembly and an oil container. The oil transmitting subassembly transmits lubricating oil from the oil container to the oil applying subassembly, and the oil applying |
| 7607514 |
Linear guideway with a changeable oil-storage unit |
October 27, 2009 |
| A linear guideway with a changeable oil-storage unit comprises: a rail, a sliding block; an end cap having an oil-filler hole fixed to either end of the sliding block, an oil-storage unit having an oil storage space, a connecting portion, and an oil feeding hole; a joint unit defined wit |
| 7594756 |
Rolling member guiding structure |
September 29, 2009 |
| A rolling member guiding structure installed in the circulation tunnel of a sliding block in a linear transmission mechanism. The guiding structure has a bar shaped part disposed along the inner wall of the circulation tunnel of the sliding block so as to form the inner cavity of the |
| 7585112 |
Linear motion guide apparatus |
September 8, 2009 |
| A linear motion guide device includes a slider slidably attached onto a guide rail and each having one or more longitudinal grooves for forming a ball guiding channel between the slider and the guide rail, and two end caps attached to the ends of the slider, the slider includes two end |
| 7578214 |
Preload structure for a ball screw |
August 25, 2009 |
| A preload structure for a ball screw in the inner surface of a nut is formed a helical groove whose lead is different from the lead of the adjacent helical groove to produce a lead deviation between the helical groove of the nut and the helical groove of the screw. By such arrangemen |
| 7563028 |
Synchronous spacer with a guiding block |
July 21, 2009 |
| A synchronous spacer with a guiding block comprises strip-shaped links, a plurality of spacer elements, and a guiding block fixed at the end of the links. An arch-shaped surface is formed on the guiding block and is located correspondingly to inner surface of the track of the linear |
| 7562599 |
Ball screw assembly |
July 21, 2009 |
| A ball screw assembly includes a helical groove formed in the outer surface of the screw shaft without extending to both ends thereof, and an escape portion formed in the form of a slot is connected to one end of the helical groove of the screw shaft. The escape portion allows the ca |
| 7562596 |
Fixed torque preload piece |
July 21, 2009 |
| A fixed torque preload piece is positioned between two nuts of a ball screw, the preload piece is formed with through hole located in an axial direction of the two nuts for receiving at least two steel balls. Two terminal openings of each of the through holes are defined in the surfa |
| 7556430 |
Linear motion guide apparatus having lubricating device |
July 7, 2009 |
| A linear motion guide device includes a slider slidably attached onto the guide rail, a ball bearing device disposed between the slider and the guide rail, and a lubricating device having a housing slidably attached onto the guide rail for receiving and for supplying a lubricant to l |
| 7553084 |
Linear roller guide unit for compressive load |
June 30, 2009 |
| A linear roller guide unit comprises an elongated rail and a carrier straddling the rail. A plurality of rollers is installed between the carrier and the rail so that the carrier can slide along the elongated rail. By installing six rows of rollers within the existing standard cross |
| 7547141 |
Linear motion guide apparatus having detecting device |
June 16, 2009 |
| A linear motion guide device includes a magnetic member disposed on a guide rail, a slider slidably attached onto the guide rail for moving along the guide rail, and a detecting device includes a housing detachably secured to the slider and has a chamber for receiving a detecting mem |
| 7543684 |
Oil-conducting apparatus for a linear motion system |
June 9, 2009 |
| An oil-conducting apparatus for a linear motion system comprises a first element and a second element, wherein a rolling groove is formed in either lateral surfaces of the second element for reception of a plurality of rolling elements, the oil-conducting apparatus includes an oil ta |
| 7543514 |
Ball screw device having lubrication warning device |
June 9, 2009 |
| A ball screw device includes a number of bearing members engaged between a ball nut and a screw shaft, and a warning signal generating device for generating a warning signal when the lubricating oil is not good enough to lubricate the ball nut and the screw shaft or when the lubrication |
| 7533593 |
Ball screw unit with dust cleaning and ball deflecting element fixing mechanism |
May 19, 2009 |
| A ball screw unit with dust cleaning and ball deflecting element fixing mechanism includes an annular inlaid slot along the inner surface of a nut proper proximate to the outside of a ball deflecting element. A fixed dust scrape formed of a C shaped annular packing is installed in the |
| 7523682 |
Ball screw device having a ball guide member |
April 28, 2009 |
| A ball screw device includes a screw shaft threaded with a ball nut which has two channels and an opening, a guide member is engaged into the opening of the ball nut and has two curved pathways communicating with the channels to form two separated endless ball rolling passages in the |
| 7523681 |
Ball screw device having deflecting member background of the invention |
April 28, 2009 |
| A ball screw device includes a ball nut having an inner thread formed by a number of helical groove portions and helical ridges, and an opening and a depression communicating with each other, and a channel communicating with the depression of the ball nut, a radially inserted deflecting |
| 7520193 |
Ball screw assembly |
April 21, 2009 |
| A ball screw assembly, wherein the circulate component is positioned in the nut by inserting a protrusion in a notch, so that the circulate component is positioned easily, and the problem of assembly difficulty is solved. The method of fixing the circulate components in the nut is that: |
| 7516681 |
External circulation type ball screw |
April 14, 2009 |
| An external circulation type ball screw comprises a screw, a nut, rolling elements and a return member. The nut is a hollow structure mounted on the screw. The rolling elements are received in the helical groove of the screw and the rolling groove of the nut. The return member is dispose |
| 7513336 |
Lubricating device for a linear guideway |
April 7, 2009 |
| A lubricating device for a linear guideway, used at either side of the slide block of a linear guideway, comprises: a housing, oil-containing member, magnets and metallic magnetic members. Using a magnetic force to push the oil-containing member against the rail, the magnetic force will |
| 7506725 |
Control structure of ball screw type elevator |
March 24, 2009 |
| The rolling friction force of ball screw is much small than the sliding friction force of it. Using ball screw as the transmission mechanism for elevator, so as to find the differences of friction forces between rolling motion and sliding motion. Besides, the current of motor has the |
| 7493837 |
Partition room and spacer ball for ball screw unit |
February 24, 2009 |
| A ball screw unit has a plurality of partition-rooms each of them accommodating a spacer ball interposed between two load carrying balls. The partition room is formed into two oblique frustum shaped recesses each of them extends a flared mouth tilted downwards to the longitudinal axi |
| 7487692 |
Guiding device for ball nut |
February 10, 2009 |
| A ball nut includes a nut member having an inner thread formed in a bore for threading with a screw member, the nut member includes a recess and an opening communicating with the bore of the nut member for forming one or more anchoring surfaces. A guiding device includes a shank received |
| 7467894 |
Linear motion guide apparatus having ball retaining device |
December 23, 2008 |
| A linear motion guide apparatus includes a housing having a chamber formed by two side walls for slidably receiving an elongated track rail, one or more endless ball rolling passages are formed in the housing for receiving a number of bearing members, one or more ball retaining devices |
| 7458722 |
Magnetic spacer |
December 2, 2008 |
| 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 not tip over under |
| 7445386 |
Retaining device for a linear transmission system |
November 4, 2008 |
| A retaining device for a linear transmission system comprises: a sliding block, a rail clamp and a spring fastener The sliding block includes an upper retainer formed with a positioning hole. The rail clamp includes two retaining members and two elastic members, and the two retaining |
| 7438474 |
Spacer structure for cross rollers |
October 21, 2008 |
| 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 protruding wings of the |
| 7419303 |
Ball connecting body for a rolling motion apparatus |
September 2, 2008 |
| 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 for linking the two |
| 7410300 |
Adjusting structure for adjusting amount of lubricant applied to a linear guideway |
August 12, 2008 |
| An adjusting structure for adjusting amount of lubricant applied to a linear guideway comprises a self-lubricating oil tank, a positioning board and at least one adjusting board. The self-lubricating oil tank is fixed on the slide block, and the self-lubricating oil tank has an oil-s |
| 7404468 |
Elevator having second driving device |
July 29, 2008 |
| An elevator includes an elevator car guided to move up and down relative to a supporting member, a screw shaft having an upper end attached to the supporting member, a driving nut rotatably supported in a coupling device and threaded with the screw shaft, one driving device coupled to ro |
| 7380988 |
Linear motion guide device having dust shield |
June 3, 2008 |
| A linear motion guide device includes a slide having a housing, and two end caps secured to sides of the housing and each including a space aligned with a chamber of the housing, for slidably receiving an elongate track rail. One or more dust shields each includes one end detachably |
| 7377694 |
Roller connecting and retaining device |
May 27, 2008 |
| 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 connected between th |
| 7377693 |
Steel wire retainer for a sliding block |
May 27, 2008 |
| A steel wire retainer for a sliding block comprises a plurality of steel wire retaining members, each of which includes a locking section on the sliding block and a plurality of steel wire retaining members. The steel wire retaining members each has a hook formed on the retaining portion |
| 7357576 |
Linear sliding rail having a self-lubricating unit capable of adjusting a lubricant amount suppl |
April 15, 2008 |
| A linear sliding rail has a self-lubricating unit capable of adjusting a lubricant amount supplied therefrom. The linear sliding rail has a sliding body and a lubricant tank fitted thereon. Within the lubricant tank, a lubricant-containing device is received, through which a lubrican |
| 7320547 |
Ball chain |
January 22, 2008 |
| 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 abutting surfaces of the |
| 7237954 |
Rolling element retainer for a linear guideway |
July 3, 2007 |
| A rolling element retainer for a linear guideway, wherein the rolling groove of the connective part of the rolling elements retaining chain is composed of a loaded area and a direction changing area. At either end of the loaded-area retainer is arranged an outward extension for mating wi |
| 7234368 |
Ball screw device having lubricating structure |
June 26, 2007 |
| A ball screw device includes a ball nut having an inner thread formed by a number of helical groove portions, a screw shaft having an outer thread formed by a number of helical groove portions, for threading with the inner thread of the ball nut, and a number of rolling members engaged i |
| 7216559 |
Guide actuator with high radial direction load capacity |
May 15, 2007 |
| The present invention relates to a new guide actuator with high radial direction load capability, which has the purpose of providing a directional force bearing way to common loading method to make the actuator can bear load and transmit with higher accuracy. On design, the present i |
| 7198405 |
Linear guide way with parabolic profiled grooves |
April 3, 2007 |
| An innovative parabolic profiled rolling grooves for linear guide way is disclosed. Cross sectional profile of at least one of the ray-way and the slider grooves is configurated into a parabolic curve so as to avoid the balls to comprehensively contact the grooves and seriously increase |
| 7146870 |
Circulation unit of rolling element with lubrication system |
December 12, 2006 |
| A circulation unit with lubrication system for rolling element includes a lubricant inlet formed with the sliding element and the lubricant inlet communicates with lubricant path such that lubricant can be directly fed to the rollers. The circulation unit has a compact structure which sa |
| 7134790 |
Recirculating apparatus of linear motion guiding |
November 14, 2006 |
| The present invention relates to a circulating apparatus for a linear guideway, and more particularly to the component of the unloading circulating portion of a rolling module of linear motion, the circulating apparatus is J-shaped, an end of which is disposed in the through holes, a |
| 7044642 |
Guiding module for rolling-element |
May 16, 2006 |
| 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 trough, therefore can |
| 7044641 |
Roller type linear guideway |
May 16, 2006 |
| The present invention relates to a roller type linear guideway which comprises the rail, the slide block, the roller-model, the recirculating-model, and the ender cap. The recirculating-model is make up of two half recirculating-models which are assembled together at a specific angle |
| 7004633 |
Rolling element retainer |
February 28, 2006 |
| 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 curved surface. By this way |
| 7001072 |
Linear guideway with damping means |
February 21, 2006 |
| A linear guideway with damping is provided mainly comprising a guide rail and a slider module, said slider module comprising a slider body, a plurality of roller balls, caps for roller balls to circulate and a damping block. The slider module is provided with said damping block insid |
| 6988517 |
Linear guideway with quick release oil tank |
January 24, 2006 |
| A linear guideway with quick release oil tanks comprises: a rail, a slide block disposed on the rail, connectors and an oil tank disposed at an ends of the slide block. The oil tanks is "II"-shaped and includes a base portion and two extension portions, a distance between the two extensi |
| 6939045 |
Slider of linear guideway |
September 6, 2005 |
| The present invention relates to a slider of linear guideway which includes the sliding-block, the end-cup and the ball retainer. The characteristic of this present invention is that the ball retainer doesn't use the screws for firm, therefore can scant the finished cost and the fabricat |
| 6923575 |
Ball spacer and rolling device using it |
August 2, 2005 |
| 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 the ball, so that the |
| 6851722 |
Coupled circulation tube for ball screw unit |
February 8, 2005 |
| A coupled circulation tube for a ball screw unit. The tube is formed on a planar surface at one side of the ball screw bearing, each tube joined to two circulation holes. Each circulation tube is formed by coupling two symmetrical rigid metallic half tubes at recessed grooves and flanges |
| 6742931 |
Rolling ball separator structure of a linear drive member |
June 1, 2004 |
| A rolling ball separator structure of a linear drive member includes multiple separators mounted between the multiple rolling balls and each having a body and an outer ring structure. Thus, the body may be deformed elastically, thereby preventing the multiple separators from interfering |
| 6742729 |
Air jet type linear guide way |
June 1, 2004 |
| An air jet type linear guide way contains an air chamber in the sliding block for injecting pressurized air therefrom along the track way so as to forcibly blow junks such as wastes, powder dust, or oil scales away before passing of the slide block assembly therefore no fear of infringem |
