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| Number | Title | Issue Date |
| 7828110 | Constraint mechanism for steering device of four-wheeled vehicle A steering device for steering front wheels of a four-wheeled vehicle is disclosed, comprising a steering wheel, a steering column, a lower column, and a steering gear box. The lower column is coupled via universal joints to the steering column and the steering gear... | 11/09/2010 |
| 7445080 | Variable steering rack system A variable steering rack system in one embodiment includes a pair of stop rings and a stopper moveable between the rings. The stopper may be rotatable in one embodiment during translational movement between the rings by a motor. Preferably, the stopper may stop due ... | 11/04/2008 |
| 7441626 | Rack-and-pinion steering apparatus The present invention provides a rack-and-pinion steering apparatus capable of effectively reducing reverse input, while a high degree of design freedom is secured. The sum of the tilt angle of a rack tooth with respect to a reference line perpendicular to the axial... | 10/28/2008 |
| 7401789 | Rack bushing for rack and pinion steering assembly The invention contemplates a rack bushing and a rack and pinion steering assembly for use in a vehicle that includes such a rack bushing. The steering assembly may include a housing having a tubular rack portion with a tubular end, a rack mounted in the tubular rack... | 07/22/2008 |
| 7389849 | Steering apparatus with plural motors An apparatus (10) for use in turning steerable vehicle wheels (12, 14) includes first and second piston and cylinder type hydraulic motors (32, 34) which are connected with a central portion of a vehicle. A steering control valve (24) is ... | 06/24/2008 |
| 7374011 | Power steering apparatus A power steering apparatus includes an input shaft, an output shaft, a piston arranged to separate a first hydraulic chamber and a second hydraulic chamber, a ball screw mechanism, an output member, a control valve configured to supply hydraulic fluid selectively to... | 05/20/2008 |
| 7367421 | Rack and pinion type power steering apparatus A rack shaft is supported at three positions including a gear housing receiving an engagement portion between a rack gear and a pinion near one end in an axial direction with respect to a rack housing corresponding to a support body thereof, a housing near the other... | 05/06/2008 |
| 7364006 | Steering system with leads and pulls compensation A power assist steering system including a valve housing and a proportional control valve supported within the valve housing, further includes a pressure transducer arranged with respect to the proportional control valve for determining an amount of actuation of the... | 04/29/2008 |
| 7364004 | Apparatus for use in turning steerable vehicle wheels An apparatus (10) for use in turning steerable vehicle wheels (14, 16) includes a hydraulic power steering motor (12). A pump (26) is operable to supply hydraulic fluid to the power steering motor (12). A gearset (50) is con... | 04/29/2008 |
| 7364005 | Steering system A steering system for a vehicle includes a shaft that is rotatably mounted on a frame in a bearing, the shaft being functionally linked with a steered wheel for adjusting the steering angle thereof, and a structure for axially positioning the shaft in the frame. In ... | 04/29/2008 |
| 7357211 | Steering system for off-road vehicle An off-road vehicle includes a frame and wheels. An engine powers the wheels through a drive system that includes a front differential gear unit. A housing encloses the front differential gear unit. The housing is positioned generally on a longitudinal center plane ... | 04/15/2008 |
| 7334660 | Seal assembly for a rack and pinion steering assembly A rack bushing seal assembly for a rack and pinion steering assembly that includes a bushing, a bushing liner and a locking material. The bushing defines an annular recess on an outer surface of the bushing. The bushing liner is positioned within the bushing. The lo... | 02/26/2008 |
| 7322898 | Active front steering actuator A steering system includes a differential transmission having an input shaft and an output shaft, a rotary input device attached to the input shaft, a movable steering effector in operable communication with the output shaft, an angular-to-linear converter which con... | 01/29/2008 |
| 7309073 | Steering system A rack shaft has a rolling contact surface on the opposite side of rack teeth across an axis line X, and a pair of slanted surfaces extending in parallel with the axis line across the rolling contact surface. Furthermore, a roller rolling on the rolling contact surf... | 12/18/2007 |
| 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 |
| 7258034 | Rack bar of power steering gearbox Disclosed is an apparatus for protecting impact to a rack bar of a power steering gearbox comprising an oil pressure cylinder, to which oil which has passed through an oil pressure pump and a rotary valve is supplied through a left port or right port, a rack bar dis... | 08/21/2007 |
| 7249613 | Energy attenuation device An energy attenuation device for a conduit that is adapted to convey a pressurized fluid therethrough, comprising a hose section disposed about a portion of the conduit, wherein such conduit portion is provided with at least one aperture, for example in a surface th... | 07/31/2007 |
| 7213678 | Variable steering gear ratio apparatus and method using the same The present invention provides a variable steering gear ratio apparatus adapted to adjust the steering gear ratio based on the vehicle speed and steering angle, thereby facilitating steering manipulation by applying a small steering gear ratio when the vehicle comes... | 05/08/2007 |
| 7210553 | Steering apparatus An apparatus (10) for use in turning steerable vehicle wheels (12,14) includes a connector member (28) which connects a first end portion (70) of the rack (66) with a first steerable vehicle wheel (14). A second end portion ... | 05/01/2007 |
| 7197956 | Thrust piece unit for rack-and-pinion steering mechanisms A thrust piece unit for rack-and-pinion steering mechanisms, which is integrated into a housing bore of the steering mechanism housing of motor vehicles, in order to keep the pinion in constant intermeshing with the rack, the thrust piece unit comprising a cylinder ... | 04/03/2007 |
| 7147081 | Rack-and-pinion steering system for motor vehicles A rack-and-pinion steering system for motor vehicles includes a rack, which is mounted in a housing such that it is longitudinally displaceable and kept in constant engagement with a pinion by a pressure piece, is connected at both ends to in each case one steering ... | 12/12/2006 |
| 7121377 | Dual shaft rack and pinion steering assembly A dual shaft rack and pinion steering assembly for a vehicle includes a housing mounted to the vehicle and containing first and second parallel shafts linked to one another for synchronized axial movement. The first and second shafts are slidably positioned within t... | 10/17/2006 |
| 7114591 | Steering system for working truck One of the mode lamps 38a, 38b and 38c of the mode indicator 38 corresponding to the current steering mode is turned on yellow and the other mode lamps are turned on green or turned off, thereby indicating whether fro... | 10/03/2006 |
| 7096988 | Snowmobile power steering system A snowmobile comprises a frame assembly. An internal combustion engine is mounted to the frame assembly. A steering assembly is mounted to the frame assembly. The steering assembly comprises a steering shaft having a first portion and a second portion. The first por... | 08/29/2006 |
| 7076855 | Method of manufacturing a rack-and-pinion steering housing A method for manufacturing a rack-and-pinion steering housing for transmission of steering force including the steps of pressing steering rod guide elements axially into open end regions of a tubular steering housing, and axially pressing the elements into the tubul... | 07/18/2006 |
| 7077234 | Rack and pinion steering assembly A rack-and-pinion assembly comprises a housing, a rotatable pinion gear including a plurality of teeth, and at least one moveable mount for providing a moveable attachment of the housing to the vehicle. A rack is slidably positioned within the housing and includes a... | 07/18/2006 |
| 7055644 | Power steering system with hydraulic power assistance A hydraulic power-assisted steering system, in particular for motor vehicles, has a hydraulic pump for generating hydraulic pressure for assisting the steering and an electromagnetic valve, in addition to a motor for driving the hydraulic pump. The hydraulic pump ca... | 06/06/2006 |
| 7044261 | Power steering motor having a noise dampening piston assembly An apparatus (10) for turning steerable wheels of a vehicle comprises a housing (14) that defines a fluid chamber (24). A rack bar (26) extends longitudinally through the housing (14) and is connectable with the steerable wheels of... | 05/16/2006 |
| 7036530 | Energy attenuation device for a fluid-conveying line and method of attenuating energy in such a line An energy attenuation device for a fluid-conveying line, and a method for attenuating energy in such a line, are provided. The device includes one or more hose sections disposed in the fluid-conveying line, and at least one spring disposed in at least a portion of e... | 05/02/2006 |
| 7036624 | Power steering system A power steering system includes a first R-shaped portion formed with a cylindrical wall and curvedly extending from an outer-periphery general face of the cylindrical wall to the outer periphery of a butt wall, and a second R-shaped portion formed with the cylindri... | 05/02/2006 |
| 7032470 | Yoke bearing providing improved support A steering gear assembly includes a pinion defining a pinion axis and a rack defining a rack axis. A bearing assembly includes a roller bearing biased against the rack to generate a normal force pressing the rack into engagement with the pinion. The bearing assembly... | 04/25/2006 |
| 7021196 | Steering rack The present invention comprises an improved steering rack in which sliding sleeves within the main cylinder allow a channel to be cut through the main cylinder to allow for passage of the stationary piston attachment pin without allowing hydraulic fluid to leak thro... | 04/04/2006 |
| 7021417 | Vehicle steering apparatus In a vehicle steering apparatus, a rotating cylinder supported by a rack housing is threadingly engaged via rolling elements with a screw shaft integrated with a rack which meshes with a pinion which rotates by steering operation. The rotating cylinder is driven by ... | 04/04/2006 |
| 6966399 | Small vehicle with power steering assembly An all terrain vehicle has a pair of front wheels that support a frame assembly. An engine is supported by the frame assembly and a steering column is supported by the frame assembly at a location generally forward of the engine. A set of handlebars are connected to... | 11/22/2005 |
| 6953102 | Power steering system A power steering system includes: a first drain passage for draining an oil pressure from a first oil passage, a second drain passage for draining the oil pressure from a second oil passage, and a pair of a first and second switch valves. When one of the first oil p... | 10/11/2005 |
| 6939044 | Recirculating rolling element cartridge for linear motion bearing assembly A bearing assembly includes at least one and preferably two ball tracks each having a load-bearing portion, a return portion, and a turn-around portion, and a plurality of bearing balls, wherein the ball track is configured for the guided recirculation of the bearin... | 09/06/2005 |
| 6920804 | Staked retention for pinion ball bearing A rack-and-pinion steering gear is provided. The gear comprises a lower shaft, a pinion gear, a first bearing, and a plurality of stakes. The lower shaft has a first end, a second end, and a shoulder depending radially outward from the lower shaft. The pinion gear i... | 07/26/2005 |
| 6915874 | Electric power steering apparatus An electric power steering apparatus comprises an electric motor having a motor housing, a ball screw mechanism connected to the electric motor through power transmission means and used for driving a rack shaft, and a steering gear case encasing the rack shaft and t... | 07/12/2005 |
| 6904763 | Automotive air conditioner and instrument panel module A casing 1 of an automotive air conditioner is formed with a recess 12 for accommodating a steering member S extending in a right-left direction of a vehicle. The casing 1 is divided into an instrument panel-side part Rp and a fire panel-side pa... | 06/14/2005 |
| 6845993 | Rack and pinion steering apparatus and method for producing the same In a rack and pinion type steering apparatus whose housing includes a pinion accommodating portion, a rack accommodating portion, a radial opening defining a rack guide hole, and a projecting portion which is formed on the side of the rack accommodating portion oppo... | 01/25/2005 |
