| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6668673 |
Ball screw with ball retainer cage |
December 30, 2003 |
| A ball screw with ball retainer cage equipped between the screw bolt and the nut body is disclosed. The adjacent balls can move without squeezing each other and well protected in the retainer cage from dropping off therefrom when the retainer cage is disintegrated from the screw bolt and |
| 6668672 |
Ball screw nut |
December 30, 2003 |
| Ball screw nut is composed of an inner threaded nipple and an outer housing. The nipple is constructed with a hollow hard tubular metallic material to ensure the strength of the structure; while the outer housing where requires less strength is formed of a plastic material by ejection |
| 6606147 |
Measuring method using photoelastic analysis for finding touching point between ball and track p |
August 12, 2003 |
| The elaborately calculated method of the present invention using photoelastic analysis for finding contact relation between ball and track is characterized in that a photoelastic plate having a semi-circular section is used in measurement by observing contrast of stripes appeared the |
| 6585417 |
Interconnector for rolling balls |
July 1, 2003 |
| An interconnector for rolling balls in a ball screw or a linear guide way is composed of a spacer, a direction guiding member with two wings, and to linking chains. The adjacent rolling balls are isolated by the spacer so as to prevent mutual collision. The two adjacent spacers are conne |
| 6584868 |
Slide track structure of a linear platform |
July 1, 2003 |
| The present invention is to provide a slide track structure of a linear platform, wherein the center of gravity of the slide track structure of the linear platform may be lowered. In addition, the outer edge of the upper end of the U-shaped guide track is formed with an inclined face or |
| 6516534 |
Measurable guide actuator |
February 11, 2003 |
| A measurable guide actuator is used to integrate a driving mechanism, a guide mechanism, and a position measuring member so as to form an integral simplifying construction, thereby facilitating the usage and thereby reducing consumption of material. The measurable guide actuator of the |
| 6406188 |
Ball bushed bearing screw bolt and nut |
June 18, 2002 |
| The bearing bush employed is divided into a main and a sub bearing bushes which are removable when filling the bearing balls into the bearing grooves so as to facilitate assembly work, moreover, weakening of preload on the preloaded ring can be compensated by adjusting the thickness of t |
| 6333628 |
Linear motion rolling guide unit with detection device |
December 25, 2001 |
| A linear guide apparatus with magnetic distance sensor is disclosed. A magnetic tape is adhered right on the upper surface of the guide rail so as to minimize the variation of distance between the magnetic tape and a magnetic induction element to assure high distance sensing sensitivity |
| 6250804 |
Self-lubricating linear guide apparatus |
June 26, 2001 |
| A self-lubricating linear guide apparatus in which a lubricant storage chamber is formed within the slider so that no additional space is required. A fibrous member is employed which is inserted into the lubricant storage chamber to directly lubricate unloaded rolling elements such t |
| 6247556 |
Screw bolt, nut and ball bearing assembly |
June 19, 2001 |
| The present invention discloses screw bolt and nut with lubricant oil contained ball bush bearing. There is a deep oil storage hole formed in the nut parallel to axial direction of the bolt for storing the lubricant oil. An oil nipple or an oil packing is provided at one end of the deep |
| 5909965 |
Recirculation path unit for linear rolling bearings |
June 8, 1999 |
| A linear recirculation path unit for a roller bearing includes a linear loading passage, a linear unloading passage, and two direction reversing passages connected to the ends of the linear passages. Instead of simply designing the reversing passages so that the slopes or tangents of the |
| 5649770 |
Ball circulating structure for linear guide assembly |
July 22, 1997 |
| The present invention pertains to a ball circulating structure for linear guide assembly. The design of the invention is composed of loading grooves on rail, the connecting passage and directional guiding lip on sliding block. The objective of the invention is to reduce steel ball's angu |
| 5562346 |
Linear ball guide assembly having high radial load capacity |
October 8, 1996 |
| A linear ball guide assembly with four rows of steel balls having high radial load capacity includes two rows of steel balls on the top forming a 60 degrees' angle in the load directions. The load directions of one row of steel balls on the top and a lateral row of steel balls on the sam |
| 5429439 |
Linear ball guide assembly |
July 4, 1995 |
| A linear ball guide assembly for guiding a load to move smoothly and linearly along the guide rail at low frictional resistances, including a straight guide rail, a slide block, a pair of end caps, a pair of cover plates for U-shaped ball turning grooves, a pair of loaded ball retainers |
