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| Number | Title | Issue Date |
| 7709427 | Lubricant composition, speed reduction gear using the same, and electric power steering apparatus using the same Disclosed are a lubricant composition to which is added as buffer particles to a lubricant polyurethane resin particles obtained by reacting and synthesizing long-chain polyol having a number-average molecular weight of not less than 500, a crosslinking agent having... | 05/04/2010 |
| 7690846 | Bearing device and method of manufacturing the bearing device A bearing device is provided with a bearing ring and a shaft body that is made of carbon steel including pearlite having a cementite layer structure, and has an end portion caulked onto the bearing ring, and in this device, at least in the end portion of the shaft b... | 04/06/2010 |
| 7662245 | Steering rack comprising steel bar with rack teeth A steel bar for a steering rack that contains 0.50 to 0.60% by mass of C, 0.05 to 0.5% by mass of Si, 0.2 to 1.5% by mass of Mn, 0.0005 to 0.003% by mass of B, 0.005 to 0.05% by mass of Ti, 0.0005 to 0.1% by mass of Al, and 0.002 to 0.02% by mass of N is provided. G... | 02/16/2010 |
| 7612556 | Rolling bearing The rolling bearing apparatus of the present invention comprises a rolling element, a non-rolling element disposed concentrically with the rolling element, and a rotation detector for outputting an input exciting voltage by converting it to an induced voltage accord... | 11/03/2009 |
| 7540569 | Wheel-use bearing apparatus A flange face portion located radially outwardly of boltholes of a flange is formed as a tilting face so that a maximum oppositely-spaced distance α of the flange face portion from a disc rotor is preferably 10 μm. Thereby, minimization is implemented for convex d... | 06/02/2009 |
| 7524238 | Method of processing antifriction bearing unit for wheel A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer ... | 04/28/2009 |
| 7508148 | Vehicle steering apparatus A current sensor 8a detects a motor current of a steering motor 5 which supplies a steering mechanism 1 with steering force corresponding to the steering amount applied to a steering wheel 2. A main controller 4 extracts com... | 03/24/2009 |
| 7488270 | Toroidal continuously variable transmission and method for producing torque transmitting member thereof In a toroidal continuously variable transmission, rolling contact portions of an input disc 4, an output disc 7, and roller 13 are formed of bearing steel, which contains C: 0.8-1.5 wt %; Si: 0.5-2.5 wt %; Mn: 0.3-2.0 wt %; Cr: 1.9-2.5 wt %; Mo:... | 02/10/2009 |
| 7484760 | Column hole cover A column hole cover is interposed between a circumferential portion of an aperture of a column hole of an instrument panel and a steering gear box capable of being displaced in a predetermined direction. The column hole cover includes a cylindrical main body extende... | 02/03/2009 |
| 7438740 | Briquette for raw material for iron manufacture and briquette for introduction into slag generating apparatus With the object of effective utilization of a fine powder generated during comminution of a crude material for iron manufacture, a briquette is provided which comprises a porous brittle molded body with a bulk specific gravity of 1.5 or more which is obtained by com... | 10/21/2008 |
| 7435008 | Vehicle pinion shaft support system There are provided tapered roller bearings which support a pinion shaft. Inner races have large rib faces each having a recessed surface shape on which large-diameter end faces of tapered rollers slide. The surface roughness of the large-diameter end face is σ1 | 10/14/2008 |
| 7402006 | Manufacturing method of gear device This method includes: a supporting process of supporting a worm wheel in a first supporting section of a supporting body; an engaging process of engaging a jig gear which corresponds to a worm with the worm wheel; a measuring process of measuring a distance between ... | 07/22/2008 |
| 7387034 | Torque detecting apparatus A torque detecting apparatus having a permanent magnet fixed to an input shaft, magnetic yokes fixed to an output shaft coaxially connected to the input shaft via a torsion bar and disposed within a magnetic field of the permanent magnet to form a magnetic circuit, ... | 06/17/2008 |
| 7374013 | Electric power steering apparatus An electric power steering apparatus comprises a steering assisting electric motor having an output shaft and a speed reduction mechanism. The speed reduction mechanism includes conical first and second gears to be engaged with each other. The first and second gears... | 05/20/2008 |
| 7363134 | Power steering apparatus A power steering apparatus according to the present invention is constructed to calculate a rate of change of steering speed detected by steering speed detecting means and judge whether the calculated rate of change is smaller than or equal to 0 or not, and reduce a... | 04/22/2008 |
| 7353727 | Vehicular steering apparatus A vehicular steering apparatus includes a column bracket secured to a steering column; and a fixing bracket secured to a vehicle body. The column bracket includes a top plate and a pair of side plates. The fixing bracket supports the column bracket via a support sha... | 04/08/2008 |
| 7328631 | Vehicular steering apparatus A vehicular steering apparatus includes a column bracket secured to a steering column; and a fixing bracket secured to a vehicle body. The column bracket includes a top plate and a pair of side plates. The fixing bracket supports the column bracket via a support sha... | 02/12/2008 |
| 7322256 | Ball screw mechanism for electric power steering apparatus A first ball circulating hole and a second ball circulating hole for connecting a circulator are bored midway at a screw groove formed on an inner circumference of a ball nut, an intermediate groove path between the first and second ball circulating holes becomes th... | 01/29/2008 |
| 7308833 | Torque sensor, wire harness, electric power steering assembly and terminal holder In a torque sensor having lead pins connected to a wire harness, the wire harness includes: a plurality of lead wires; a plurality of connection terminals each having a sleeve mounted around each of the lead pins and a connection portion extended from an outer perip... | 12/18/2007 |
| 7281604 | Electric power steering apparatus An electric power steering apparatus for converting rotation of a steering assist motor into movement of a steering shaft in the axial direction thereof in accordance with steering operation using a ball screw mechanism wherein a female thread groove formed around a... | 10/16/2007 |
| 7278938 | Power transmission device A power transmission device includes a first one-way clutch that transmits a rotational power of a pulley to a rotating shaft, and a second one-way clutch that transmits a rotational power of a rotor of a motor to the rotating shaft. The first one-way clutch is of i... | 10/09/2007 |
| 7275619 | Electric power steering system An electric power steering system includes: a first rotation detection section including a first sensor section and outputting a signal corresponding to a rotation of an input shaft; a second rotation detection section including second and third sensor sections and ... | 10/02/2007 |
| 7275456 | Method of production rack guide base body in rack-and-pinion type steering device and rack guide A rack guide includes a rack guide base body which has on its outer peripheral surface a pair of semicylindrical surfaces and a pair of planar surfaces each located between the pair of semicylindrical surfaces, has a concavely recessed surface located on one axial e... | 10/02/2007 |
| 7273141 | One-way clutch integrated with a rolling bearing, and method of producing the same In a one-way clutch integrated with a rolling bearing, rolling elements and sprags are arranged in an annular space between an inner race and an outer race in each of which a one-way clutch raceway surface is formed in one axial side of a rolling bearing raceway sur... | 09/25/2007 |
| 7270484 | Split outer race, split rolling bearing using same, and manufacturing method for split outer race The present invention provides a split outer race for use in a rolling bearing. The split outer race is formed by bending a strip-shaped metallic plate into a substantially semicircle shape. At least one end of the split outer race in a circumferential direction has... | 09/18/2007 |
| 7267626 | Auto tensioner The boss portion of an arm is oscillatably supported with respect to a support member. A tension pulley is rotatably engaged with a tip portion of the arm. A guide plate is fixed to the axial tip portion of the support member to face the boss portion. A friction pla... | 09/11/2007 |
| 7249533 | Ball screw device A ball screw device comprises a nut having a thread groove in the inner peripheral surface thereof, a screw shaft having a thread groove in the outer peripheral surface thereof and a plurality of balls interposed between the respective thread grooves. In the screw s... | 07/31/2007 |
| 7247111 | Vehicle steering apparatus A vehicle steering apparatus comprises a rotation transmission mechanism 4 which connects a first shaft 3 connected to an operating member 2 with a second shaft 5 connected to vehicle wheels 9 so as to enable the rotation to be tra... | 07/24/2007 |
| 7235905 | Electric power steering assembly An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing accommodating therein the reduction mechanism. The electric motor includes: an... | 06/26/2007 |
| 7233850 | Vehicle steering apparatus An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invent... | 06/19/2007 |
| 7201075 | Electric power steering apparatus An electric power steering apparatus having a displacing mechanism in which a fitting hole potion is provided to a gear housing for fitting with and holding a bearing to which a worm shaft for transmitting rotating force of a steering assisting motor to a steering s... | 04/10/2007 |
| 7201070 | Rotational angle detecting apparatus and torque detecting apparatus A rotational angle detecting apparatus, in which first targets and second targets, the number thereof is coprime with each other, are provided at the rotors rotating coaxially with each other. Rotational angle of the rotor is detected based on the detection signals ... | 04/10/2007 |
| 7201685 | Pulley unit The present invention comprises a pulley, a shaft body which is rotatable relative to the pulley and is concentrically disposed radially inside of the pulley, a one-way clutch which is interposed at an annular space between the pulley and the shaft body, a rolling b... | 04/10/2007 |
| 7199536 | Power steering device An electric power steering apparatus provides stable steering assist force by positively precluding actuation of an electric motor while it is rotating in a reverse direction, so as to prevent demagnetization of the electric motor. A motor reverse rotation detecting... | 04/03/2007 |
| 7197944 | Hub unit with sensor A sensor device including a resolver having a rotor provided on a rotation-side raceway member of a hub unit and a stator provided on a stationary-side raceway member of the unit, and a processing circuit for processing a signal to be output in accordance with an ai... | 04/03/2007 |
| 7197387 | Vehicle control system Sensor-equipped hub units 34a attached to respective drive wheels 34 each have a sensor device comprising a sensor 36 for detecting the ground contact load on the wheel 34. A control unit 31 has a traction controller 32 | 03/27/2007 |
| 7195110 | One-way clutch unit There is provided a one-way clutch unit that is simple in structure and compact. An annular recess 67 is provided in an inner periphery of a side of a deep groove ball bearing portion 55 of a first inner ring 7 of a first one-way clutch 1... | 03/27/2007 |
| 7191866 | Electric power steering apparatus An electric power steering apparatus includes a speed reducing mechanism for decelerating the rotation of a rotatable shaft in an electric motor and a converting mechanism for converting the output rotation of the speed reducing mechanism into the axial movement of ... | 03/20/2007 |
| 7192356 | Cross shaft joint A cross shaft joint tiltably coupling two shaft members each other includes: a cross shaft which includes four shaft portions and is arranged between the two shaft members; outer ring cups rotatably provided to the four shaft portions, respectively, the outer ring c... | 03/20/2007 |
| 7185619 | Rocker arm and method of manufacturing the same A rocker arm 1 made of sheet metal is formed so that Vickers hardness Hv of the surface layer portion 9a of the valve stem receiver 9 is set at Hv 650 to 800 and a quantity of the retained austenite γR is set at 25 ... | 03/06/2007 |
