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| Number | Title | Issue Date |
| 7380334 | Device for pre-stressing a wheel bearing A clamping device (1) for receiving and for the clearance-free prestressing of a wheel bearing comprises a clamping mechanism (3) which radially prestresses the wheel bearing (8) from the outside. ... | 06/03/2008 |
| 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 |
| 7178986 | Rolling bearing In a rolling bearing including a cage arranged in an annular space between an outer ring and an inner ring, a plurality of rolling elements held by the cage, and a solid lubricating agent provided in the cage, the cage has a plurality of rolling element receiving po... | 02/20/2007 |
| 7159484 | Linear motion device A linear motion device includes an inner member and an outer member cooperatively forming a ball circulating path therebetween, a plurality of balls rollably disposed in the ball circulating path, and a plurality of retaining pieces interposed between the balls, whe... | 01/09/2007 |
| 7159481 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 01/09/2007 |
| 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 |
| 7044016 | Ball screw A ball screw having: a screw shaft having a spiral ball rolling groove; a ball nut having a ball rolling groove corresponding to the ball rolling groove; and a large number of balls interposed between the ball rolling grooves so as to roll freely; wherein the ball r... | 05/16/2006 |
| 7036391 | Differential unit A protruding section facing a drive pinion shaft is integrally provided on (or provided as a separate component) a tubular spacer interposed between an inner race of a pilot bearing and an inner race of a tapered roller bearing at an inner section opposite to the dr... | 05/02/2006 |
| 6955468 | Linear-motion device and ball screw A linear-motion device has: a linear-motion element fitted on a shaft which moves straight along the shaft; a plurality of balls which are retained in a ball groove formed on the inner side of the linear-motion element and roll over between the ball groove and the s... | 10/18/2005 |
| 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 |
| 6892596 | Rolling element interference preventer and a guide device A rolling element interference preventer for a guide device prevents a number of rolling elements rolling at regular intervals in a continuous circulation path of the guide device from interfering with each other. The rolling element interference preventer is formed... | 05/17/2005 |
| 6821604 | Retaining piece structure In a retaining piece interposed between the adjacent rolling balls, a concave surface of each of both side surfaces of the retaining piece where it contacts with the spherical surfaces of the balls is configured to partly contact with the spherical surface of the ba... | 11/23/2004 |
| 6794015 | Retaining piece structure In a retaining piece interposed between the adjacent rolling balls, a concave surface of each of both side surfaces of the retaining piece where it contacts with the spherical surfaces of the balls is configured to partly contact with the spherical surface of the ba... | 09/21/2004 |
| 6699568 | Retaining piece structure In a retaining piece interposed between the adjacent rolling balls, a concave surface of each of both side surfaces of the retaining piece where it contacts with the spherical surfaces of the balls is configured to partly contact with the spherical surfac... | 03/02/2004 |
| 6692814 | Retaining piece structure In a retaining piece interposed between the adjacent rolling balls, a concave surface of each of both side surfaces of the retaining piece where it contacts with the spherical surfaces of the balls is configured to partly contact with the spherical surfac... | 02/17/2004 |
| 6565947 | Retaining piece structure In a retaining piece interposed between the adjacent rolling balls, a concave surface of each of both side surfaces of the retaining piece where it contacts with the spherical surfaces of the balls is configured to partly contact with the spherical surfac... | 05/20/2003 |
| 6513978 | Rolling element spacers for rolling guide units The present invention provides rolling element spacers used in a rolling guide unit provided with an endless circulating passage for balls; arranged with plural balls alternately therewith in the endless circulating passage; and circulated with these ball... | 02/04/2003 |
| 6431760 | Angular type ball bearing and shaft support structure with the same An angular type ball bearing according to the present invention secures good property of lubricating a shaft to be supported by the ball bearing while reducing the manufacturing cost thereof, thereby being able not only to reduce the temperature rise of t... | 08/13/2002 |
| 6419397 | Housed steering column A housing encloses at least a portion of a steering shaft, and a preloaded ball bearing mounted within the housing supports the steering shaft. The preloaded ball bearing has loaded balls that are preloaded and unloaded balls that are free floating, an un... | 07/16/2002 |
| 6415676 | Ball screw device having spacers A ball screw device utilizes spacers having concave ball-contacting surfaces with distributed protrusions or dimples. Balls having needle-like recesses may also be used. The spacers are provided in two thicknesses, and the relative numbers of the thinner ... | 07/09/2002 |
| 6352367 | Spacer for liner motion apparatus and liner motion apparatus provided with spacer A spacer for a linear motion apparatus is to be interposed alternately between balls arranged in an endless circulation passage of the linear motion apparatus. The spacer has a body portion comprising spherical retaining surface portions formed for suppor... | 03/05/2002 |
| 6260681 | Free-wheel hub transmission mechanism A hub transmission mechanism includes an axle inserted coaxially into a through-hole in a spoke-mounting barrel such that a right axle portion thereof extends outwardly from the spoke mounting barrel. A sprocket mounting member is sleeved around the right... | 07/17/2001 |
| 6149307 | Relatively movable unit with rolling elements A relatively movable unit with rolling elements, or balls, adapted for use in a linear motion guide unit or a ball nut screw assembly. The relatively movable unit has lubricating rings disposed between any adjoining balls to thereby lubricate the balls. I... | 11/21/2000 |
| 6129454 | Compound bearing assembly and method and manufacturing the same A single-piece outer race ring 3, a sleeve-like spacer 11, a plurality of first balls 4, a conventional ball bearing unit 7, a stepped-diameter shaft 1 and the like are assembled into a compound bearing assembly by a bearing maker with high accuracy to en... | 10/10/2000 |
| 6033120 | Compound bearing assembly for swing arm of hand disc drive A compound bearing assembly for a swing arm of a hard disc drive is disclosed, which comprises a stepped shaft 1 having a large-diameter portion and a small-diameter portion 1b, the large-diameter portion 1a having an inner raceway groove 2a directly form... | 03/07/2000 |
| 6012226 | Compound bearing assembly and method of manufacturing the same A single-piece outer race ring 3, a sleeve-like spacer 11, a plurality of first balls 4, a conventional ball bearing unit 7, a stepped-diameter shaft 1 and the like are assembled into a compound bearing assembly by a bearing maker with high accuracy to en... | 01/11/2000 |
| 6000855 | Outer ring spacer for double row rolling bearing unit An outer ring spacer for use in a double row rolling bearing unit fitted onto a shaft and comprising inner rings externally secured to the shaft having a pair of spaced apart inner ring raceways, a pair of outer rings having an inner peripheral face forme... | 12/14/1999 |
| 5927858 | Linear motion rolling guide unit In this linear motion rolling guide unit, separators of different thicknesses are interposed between adjacent rolling elements so that the rolling elements are arranged in an unequally spaced manner, whereby the vibrations and noises, which are ascribed t... | 07/27/1999 |
| 5808388 | Electric drive motor with a compound bearing assembly A first outer race ring 3, a sleeve-like spacer 7, a plurality of first balls 4, a conventional ball bearing unit 5 and a stepped-diameter shaft 1 are assembled into a compound bearing assembly by a bearing maker to enable a user or motor manufacturer to ... | 09/15/1998 |
| 5800069 | Compound bearing assembly A single-piece outer race ring 3, a sleeve-like spacer 11, a plurality of first balls 4, a conventional ball bearing unit 7, a stepped-diameter shaft 1 and the like are assembled into a compound bearing assembly by a bearing maker with high accuracy to en... | 09/01/1998 |
| 5785432 | Outer ring spacer for double row rolling bearing unit An outer ring spacer for use in a double row rolling bearing unit fitted onto a shaft and comprising inner rings externally secured to the shaft having a pair of spaced apart inner ring raceways, a pair of outer rings having an inner peripheral face forme... | 07/28/1998 |
| 5655846 | Bearing assembly and method of manufacturing the same A bearing assembly, and method of assembling same, including a stepped-diameter shaft, a first outer race ring being disposed around a raceway groove directly formed in the large diameter portion, a second bearing outer race and an inner race ring mounted... | 08/12/1997 |
| 5356227 | Solid-lubricated bearing assembly A solid-lubricated bearing assembly has an outer bearing member with a generally radially inwardly facing race surface formed therein adapted to receive rotatable bearing elements for rotating motion of the rotatable bearing elements respecting the outer ... | 10/18/1994 |
| 4761820 | Elastic spacer for ball bearings An elastic spacer to be inserted between adjacent balls of a ball bearing and having recesses on its faces turned toward the balls into which the balls partially engage, characterized in that the spacer (1) has an outer contour (3) that can be inscribed i... | 08/02/1988 |
| 4588313 | Four-point contact bearing A four-point contact bearing with the largest possible pressure angles and suitable for rotary and swinging movements is disclosed. The rim gaps on both sides of the balls are extremely narrow and offset radially with respect to each other. The cage is se... | 05/13/1986 |
| 4505523 | Prestressed rolling bearing device The prestressed rolling bearing device comprises a cage for guiding and/or retaining a plurality of rolling elements. At least one of the rolling elements has an outside diameter larger than that of the other rolling elements. The rolling element of large... | 03/19/1985 |
| 4401349 | Bearing assemblies for spindles The invention provides a new and useful bearing assembly and a spindle utilizing that assembly. The assembly comprising a housing adapted to be secured in a support member, the housing having arranged coaxially therein a cylindrical cavity, a first cylind... | 08/30/1983 |
| 4277117 | Internally reinforced ball bearing spacer A spacer for interposition between adjacent balls in a ball bearing assembly is provided comprising a thermoplastically molded body having a cylindrical periphery and oppositely disposed ball engaging sides. An internal reinforcement disc formed from a ma... | 07/07/1981 |
| 4215907 | Ball-bearing arrangements The invention relates to a three point ball bearing arrangement which facilitates rotation in a desired direction and at the same time restricting unwanted relative lateral movement between the balls and its associated ball race. The arrangement provides ... | 08/05/1980 |
| 4175805 | One-piece intermediate member for anti-friction bearings A one-piece intermediate member for separating from each other anti-friction bodies of an anti-friction bearing. This intermediate member has a mantle surface adapted to the race cross section of the respective anti-friction bearing for which the intermed... | 11/27/1979 |
