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| Number | Title | Issue Date |
| 8042416 | Linear module A linear module includes a baseplate unit, a table part, a spindle drive device, and a telescoping tube arrangement that encompasses the spindle and that has two tube elements that engage with each other in telescoping fashion in a movement direction, namely a tube ... | 10/25/2011 |
| 7878082 | Sliding device for use in confined spaces A sliding device is provided in which a ball-nut screw system is disposed in a relation lying out of a guide rail and extending by the side of and in parallel juxtaposition with the guide rail, thereby making it possible to reduce the sliding device in the overall h... | 02/01/2011 |
| 7819036 | Electromotive linear drive An electromotive linear drive unit comprising a housing, a motor pot, a connection piece, a power supply cable, a deployable lifting tube, and a fixed flanged tube is designed in such a way that it can be made at a low cost while being easier to assemble than previo... | 10/26/2010 |
| 7628088 | Ball screw mechanism The ball screw mechanism has spindle nut (1) arranged rotatably on a ball-rolling spindle (2) and between which balls (3) roll on ball grooves (4, 5). A driving wheel (20, 26) is fixed to the spindle nut (1), for driving the... | 12/08/2009 |
| 7520191 | Actuator A guide mechanism, which guides a slider along an inner wall surface of a frame, includes a plurality of resin sliding members retained by the slider. The plurality of resin sliding members include a pair of first resin sliding members that make sliding movement alo... | 04/21/2009 |
| 7389974 | Screw, nut and cable transmission A screw, nut and cable transmission device (6, 7, 12, 13, 20 and 21) between a motor (5) and a device (1, 2) which is to be moved and which is made up of at least one double pulley (14), which amplifies the movement of the cable li... | 06/24/2008 |
| 7228751 | Ball screw mechanism A ball screw mechanism includes a ball screw shaft of a metal material coaxially connected to a rotary driving source, a nut member of a resin material being screwed onto the ball screw shaft, a plate member fixed to an upper surface of the nut member by screw membe... | 06/12/2007 |
| 7220291 | Filter housing assembly A filter housing assembly having a gas-tight seal and a method of replacing a filter are generally provided. In one embodiment, the filter housing assembly includes a housing having an opening adapted to receive a filter and an inlet. A seal member is coupled to the... | 05/22/2007 |
| 7150564 | Structure of linear sliding rail circulating device An improved structure of linear sliding rail circulating device is primarily composed of: a rail, which laterally forms a sliding path; a sliding base, which slides to operate along said rail, and is provided with an aperture at the interior for receiving the rollin... | 12/19/2006 |
| 7146869 | Ball screw device and linear motion device A spacer between adjacent balls of, for example, a ball screw device or a linear motion device has an outer periphery that is concave such that the spacer is elastically deformed to be in substantially circular line contact with the adjacent balls and that a distanc... | 12/12/2006 |
| 7127791 | Split nut for use with a rod having dual directional screw threads about a common diameter A docking apparatus for printed circuit boards including a cassette housing defining a housing cavity for containing a printed circuit board (PCB) and a linkage mechanism associated with the cassette housing. The linkage mechanism includes a linkage arm pivotally co... | 10/31/2006 |
| 7107805 | Method for the production of a spindle nut of a spherical thread drive mechanism Method for the production of a spindle nut (3) of a spherical thread drive mechanism, whereby the spindle nut (3) has at least one screw-shaped track (4) formed as a single piece on its inner circumference, whose threads (38) are limited ... | 09/19/2006 |
| 7093510 | Self-centering device for linear drive units A linear unit (1) comprising a profiled rail (2) along which a carriage (3) is arranged for sliding motion backwards and forwards by means of a reversible screw (4) which actuates the carriage and on either side of the carriage passes thr... | 08/22/2006 |
| 6913374 | Sliding style headlamp adjuster A headlamp adjuster for adjusting the position of a reflector includes a base housing with a slide positioned at least partially therein. The base housing has mounting tabs so that the adjuster can be secured to the back of a headlamp assembly support frame. The bas... | 07/05/2005 |
| 6880417 | Electric actuator The rotary motion of a ball screw shaft is converted into the rectilinear motion by a ball spline nut provided integrally with displacement members by the aid of an attachment section. Involute splines are engraved on outer circumferential surfaces of spline pistons... | 04/19/2005 |
| 6848327 | Actuator An actuator comprises a feed screw shaft mechanism including a ball screw shaft and a ball screw nut, and a slider having an opening for receiving the ball screw shaft and the ball screw nut therein. The feed screw shaft mechanism is assembled into a single unit whi... | 02/01/2005 |
| 6781265 | Linear actuator A compact and simple linear actuator includes a spindle to a main body so as to be capable of moving in an axial direction, displacement detection device, a motor, and a transmission mechanism. The displacement detection device detects a movement displacement amount... | 08/24/2004 |
| 6718837 | Driving unit for pressure application shaft in a welding apparatus A driving unit for a pressure application shaft in a welding apparatus including a housing for housing therein a ball screw mechanism for converting rotation of an output shaft of a motor into reciprocating motion of the pressure application shaft, and a direct acti... | 04/13/2004 |
| 6655225 | Motor-driven actuator A load of a workpiece, which is applied to a slider (68), is supported by guide blocks (78) and guide rails (30a, 30b) provided for a frame (12). On the other hand, pin members (72), which constitute a floating mechanism (64) provided under the slider (68... | 12/02/2003 |
| 6619147 | Linear actuator A linear actuator comprises a motor, a rotation-to-linear motion conversion mechanism having a screw and a nut, a support block supporting an end of the screw, and an actuator-side support member with a swing support mechanism (e.g., a swing axis or beari... | 09/16/2003 |
| 6588289 | Linear actuator with protective guide chassis enclosing the lead screw A contamination resistant lead screw or ball screw-driven linear actuator has the lead screw and drive nut enclosed within a specially constructed guide chassis. A carriage is slidably mounted on parallel rails attached to the guide chassis. The carriage ... | 07/08/2003 |
| 6474850 | Sliding style headlamp adjuster A headlamp adjuster for adjusting the position of a reflector includes a base housing with a slide positioned at least partially therein. The base housing has mounting tabs so that the adjuster can be secured to the back of a headlamp assembly support fra... | 11/05/2002 |
| 6446520 | Feed screw and method of manufacturing the same A ball screw 2 or a sliding screw 2a has a driving force-transmitting shaft 4 or 4a and a bearing member 6 or 6a externally fitted to the driving force-transmitting shaft 4 or 4a. The driving force-transmitting shaft 4 or 4a is made of aluminum or aluminu... | 09/10/2002 |
| 6418807 | Stabilizer for ball screw actuator A stabilizer for a ball screw actuator of the type having a housing, and externally threaded lead screw and a drive nut movable along the lead screw in which the stabilizer includes a first member rotationally fixed but movable linearly relative to the cy... | 07/16/2002 |
| 6408706 | Rotation stop device and electric actuator having rotation stopping function A clearance-adjusting mechanism is provided so that a clearance in a circumferential direction between an inner wall surface of a boss section and an outer wall surface of a spline shaft section is adjusted in such a way that a first spline shaft member a... | 06/25/2002 |
| 6334370 | Ball screwed nut, linearly guiding apparatus using the same, ball screw for steering and method of manufacturing the ball screwed nut A ball rolling groove 1c is defined in an inner peripheral surface of A ball screwed nut 1 by a rolling process, not by a grinding process so that a ball screwed nut having small diameters or large leads can be manufactured. The surface of the ball rollin... | 01/01/2002 |
| 6327924 | Actuator for converting rotary motion into rectilinear motion Rotary motion of a ball screw is converted by a feed nut into rectilinear motion to allow a displacement mechanism to make rectilinear motion. When the ball screw involves axial deviation, then an engagement member slides in a direction of the arrow C wit... | 12/11/2001 |
| 6327929 | Two dimensional drive system The two dimensional drive system is capable of properly supporting a load applied to a slider and improving the positioning accuracy, the resolution, etc. The drive system comprises: a base; a pair of first fixed guides; a pair of second fixed guides; a f... | 12/11/2001 |
| 6193199 | Sample stage including a slider assembly A sample stage of a precision sample positioning system includes a sample plate supported above a base plate on a plurality of slider assemblies. Each slider assembly includes a base slider secured to a surface of the base plate and a stage slider secured... | 02/27/2001 |
| 6191548 | Single shaft type table feed device A single shaft type table feed device comprises a movable body and an auxiliary movable body 34. The movable body is supported by a guide rail 31 and can be freely moved by a feed screw shaft 35 in the axial direction thereof. The auxiliary movable body 3... | 02/20/2001 |
| 6145395 | Side load compensated linear actuator An internal side load compensation device for use with a linear actuator comprises at least one cam beam affixed to the actuator housing pre-loaded to a known side load to influence at least one cam roller affixed to the primary driver of the linear actua... | 11/14/2000 |
| 6119538 | Driving pull rod assembly of a central control lock for automobiles A driving pull rod assembly of a central control lock for automobiles includes a U-shaped frame having a top and a bottom respectively provided with a protuberance, a slide slidably fitted within the U-shaped frame and formed with a longitudinal threaded ... | 09/19/2000 |
| 6038127 | Keypad assembly using a lead screw assembly for moving a curved member An apparatus for moving a member between a retracted position and an extended position includes a housing, a movement mechanism, a linear lead screw, a first carriage, and a second carriage. The housing has a curved path between the retracted position and... | 03/14/2000 |
| 6000292 | Actuator An actuator which makes it possible to avoid adhesion of dust or the like to a driving force-transmitting member, wipe out the fear of stop or breakage thereof, and avoid leakage of dust or the like to the outside. Fixing blocks 26a, 26b are slidably prov... | 12/14/1999 |
| 5990587 | Low friction, high precision actuator In one embodiment, a device for generating ultra-high precision rectilinear movement based on aerostatic suspension and magnetic traction, the device including a nut, a leadscrew, a thrust bearing, a contactless motor, and feedback drive electronics. The ... | 11/23/1999 |
| 5918506 | Transfer device The invention relates to a transfer device for generating a regular, linear transfer movement especially for reading an image plate used in X-raying. The transfer device comprises a fixed housing, a rotatable threaded bar (5), a slide (6) moving linearly ... | 07/06/1999 |
| 5895992 | Electromechanical linear actuator An electro-mechanical linear actuator including a drive motor, a capacitor, a die-cast gear box, and a drive nut system. The die-cast gear box is capable of receiving multiple drive motor diameters, and the drive motor may be staked to the gear box. A cov... | 04/20/1999 |
| 5799543 | Actuator structural body An actuator structural body is constructed of standardized columnar bodies connected for moving a workpiece. The Actuator structural body includes actuators shaped as columnar bodies and having T-shaped grooves defined in outer side surfaces thereof, colu... | 09/01/1998 |
| 5771749 | Slide mechanism combined rough and fine adjustment in micromanipulator A slide mechanism combined rough and fine adjustment in micromanipulator comprising an inside slider 30 provided with a rough adjustment female screw 30a in axial direction slidably fitted in recessed grooves 12a of a basic outside slider 12 in axial dire... | 06/30/1998 |
| 5761960 | Actuator A motor, a ball screw shaft, etc. are accommodated within a frame that forms an outer frame. Direct-acting guides are provided on both sides of a groove-shaped opening defined in the frame. The ball screw shaft is centrally disposed within the frame. A ta... | 06/09/1998 |
