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| Number | Title | Issue Date |
| 7410190 | Motor-driven position adjustment apparatus for steering wheel In a motor-driven steering wheel position adjustment apparatus, a nut 17 being a driven member is mounted such that it can be detached from an inner column of a steering column, based on a shock load applied at the time of a secondary collision, and therefore... | 08/12/2008 |
| 7364204 | Integrated transfer line for automotive steering system An apparatus according to this invention for carrying hydraulic fluid in a power assisted automotive steering system, includes a tube having a tube wall formed with a first port that extends though a thickness of the tube wall. A housing includes a wall formed with ... | 04/29/2008 |
| 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 |
| 7048088 | Electric servo-assisted steering system for motor vehicles An electric power assisted steering system for motor vehicles having a worm gear mechanism is operatively connected to a drive shaft of an electric drive motor. A radial load is applied to the worm by a prestressing device, the prestressing device being configured a... | 05/23/2006 |
| 6681885 | Rack and pinion steering gear with powdered metal bushing A rack and pinion steering apparatus (10) comprises a housing (12). Helical teeth (60) of a pinion gear (54) meshingly engage teeth of a rack bar (42) and, during rotation of the pinion gear (54), result in an axial force. A shaft (86) connects with the p... | 01/27/2004 |
| 6598697 | Rack-and-pinion type steering apparatus with pressure equalization system This invention refers to an improved rack-and-pinion type steering apparatus for automotive vehicles comprising a cylindrical housing attached to a body structure of the vehicle, and a steering rack shaft mounted within the housing for sliding movement th... | 07/29/2003 |
| 6568698 | Rack-pinion type steering apparatus An end cap arranged to slidably support a rack, is inserted into an end of a housing in which the rack is inserted. A cir-clip is interposed between the housing and the end cap to prevent the end cap from being moved axially of the rack. The cir-clip is p... | 05/27/2003 |
| 6561305 | Hydraulic clutching steering damper A damper for a vehicle rack and pinion-type power steering system reduces or eliminates high frequency and low amplitude vibrations commonly associated with high-speed steering wheel shake. The damper includes a hydraulically actuated clutch that is energ... | 05/13/2003 |
| 6439337 | Steering mechanism assembly for automotive vehicles A pinion adjustable assembly for steering mechanisms for automotive vehicles, a pinion-rack set incorporated in a pinion housing and a tubular cylindrical bushing with free angular displacement that is positioned inside the housing and is coupled to an an... | 08/27/2002 |
| 6427552 | Rack and pinion steering gear with spring and relief pocket A rack and pinion steering gear (10). The rack and pinion steering gear (10) comprises a housing (12) having a chamber (18). A portion of the chamber (18) is a relief pocket (22). A pinion gear (26) is rotatably mounted in the chamber (18) of the housing ... | 08/06/2002 |
| 6412591 | Electric power steering apparatus An electric power steering apparatus having a rack and pinion movement converting mechanism for converting rotation movement of a steering wheel into linear movement by engagement between a pinion shaft and a rack shaft. A motor for assisting a driver's s... | 07/02/2002 |
| 6357314 | Rack-and-pinion steering gear The rack-and-pinion steering gear, in particular for controlling motor vehicles, in order to compensate for the deviations in planarity between the thrust piece and the set screw, has a compensating disk acted upon by a spring on one side; the top side of... | 03/19/2002 |
| 6208923 | Fault-tolerant electromechanical steer-by-wire steering actuator An electromechanical steering actuator for a steer-by-wire application in motor vehicles. An electronic closed-loop/open-loop control system generates steering signals for a pair of electric servomotors, which act via a gear unit on a steering control ele... | 03/27/2001 |
| 6176342 | Vehicle steering apparatus An apparatus (10) includes a hydraulic fluid power cylinder (116) and a steering rack (118). The rack (118) is fixed to a piston (160) in the power cylinder (116), and extends outward through an open end (172) of the power cylinder (116). An annular hydra... | 01/23/2001 |
| 6125962 | Cable-type steering device In a wire-type steering device in which a steering wheel and a gear box are connected to each other by wires, one end of each inner cable of two Bowden wires are wound around a driving pulley which is mounted on a rotary shaft of a steering wheel. The inn... | 10/03/2000 |
| 6076417 | Rack guide having linear inner walls for supporting a rack A rack guide (30) in a rack and pinion steering gear housing (12) comprises a cylindrical structure having a peripheral wall (42), an end wall (52), and an inner wall (71). The peripheral wall (42) has an outer surface (40) with a contour complementary to... | 06/20/2000 |
| 5911451 | Method of adjusting steering mechanism To adjust the maximum torque required to actuate a hydraulic steering mechanism, the steering mechanism is first adjusted to provide a relatively high preload on gear teeth in the steering mechanism. The steering mechanism is then operated through a prede... | 06/15/1999 |
| 5842536 | Power steering gear for motor vehicle A power steering gear for a motor vehicle including a pinion head and a spool shaft rotatable relative to each other, a torsion bar between the spool shaft and the pinion head, a valve spool formed integrally on the spool shaft, a valve body closely recei... | 12/01/1998 |
| 5735365 | Power steering device A rack and pinion are housed in a gear box, a valve sleeve that is joined to the pinion being housed in a valve housing such that the sleeve is free to rotate. A mechanism is provided that joins the gear box and valve housing in any desired relative rotat... | 04/07/1998 |
| 5682959 | Servo-assisted rack-and-pinion steering system The invention relates to a servo-assisted rack-and-pinion steering system having a helical-toothed rack and an axially movable pinion which interacts therewith and the axial movement of which controls the servomotor. The pinion is mounted on an input shaf... | 11/04/1997 |
| 5660078 | Yoke apparatus for rack and pinion A bifurcated rack bearing assembly for a steering system includes a bearing member having a pair of bearing surfaces and which is pivotable within a base. The bearing member has a pair of curved riding surfaces which slide on a curved saddle surface of th... | 08/26/1997 |
| 5651424 | Servo-assisted rack-and-pinion steering system A servo-assisted rack-and-pinion steering system includes a rack which cooperates with a pinion which is capable of limited movement transversely or, in particular, parallel to the longitudinal axis of the rack. The movements actuate the servomotor or its... | 07/29/1997 |
| 5593002 | Power steering system equipped with means for varying an assist torque thereof The hydraulic power steering system comprises a rotary valve unit actuated according to a twisting angle provided in a torsion bar connected between an input shaft and a pinion, and a conversion mechanism which can change the condition of the rotary valve... | 01/14/1997 |
| 5590732 | Electrically assisted power steering system for motor vehicles An electrically assisted power steering system for a motor vehicle includes a housing, a shaft slidably supported in the housing, a ball-and-nut mechanism operatively mounted on the shaft, and an electric motor mounted in the housing for transmitting rota... | 01/07/1997 |
| 5590566 | Servo-assisted rack-and-pinion steering system A servo-assisted rack-and-pinion steering system has a helical-toothed rack and a helical-toothed pinion cooperating therewith. On the transmission of forces between the pinion and the rack, a torque relative to the longitudinal axis of the rack acts on t... | 01/07/1997 |
| 5511630 | Power steering system A power steering system is disclosed which automatically corrects unexpected variations in the path of a vehicle without requiring a driver to make corrections. A rotary valve in the power steering system includes an inner sleeve connected to a steering w... | 04/30/1996 |
| 5509494 | Auxiliary power steering In an auxiliary power steering intended especially for motor vehicles, a pinion (2) positioned in a steering housing (1) engages a steering rack (9). A steering valve (14) that is used to control the pressure medium for the auxiliary power steering provid... | 04/23/1996 |
| 5482131 | High-performance power-assisted steering A power-assisted steering device having a piston located in a casing and driven by a rotational input from an input shaft. The piston has a sealing section for separating a first chamber from a second chamber and a transmission section. The transmission s... | 01/09/1996 |
| 5429202 | Anti-roll mechanism for a rack and pinion A rack and pinion apparatus comprising a toothed rack, the tops of the teeth of which lie in a common plane, the rack and pinion apparatus further comprising an anti-roll mechanism having a rack teeth engaging pad mounted to permit relative movement betwe... | 07/04/1995 |
| 5314036 | Steering angle sensor A steering angle sensor for accurately detecting the steering angle of a vehicle, which has a signal pattern based on partial changes of the electromagnetic characteristics formed at part of the steering rack bar of the steering gear box and reads the sam... | 05/24/1994 |
| 5289893 | Steering control apparatus The invention is directed to an arrangement for providing an automatic steering control and restraining a steering wheel from being rotated in case of the automatic steering control. A rack is mounted on the vehicle to be laterally movable with respect th... | 03/01/1994 |
| 5287764 | Device for actuating a hydraulic power steering system Apparatus for actuating a hydraulic power steering system for automotive vehicles, wherein the steering shaft (1 ) is allowed to roll off on the gear rack (3) to a small degree to actuate the steering valve. To enable this rolling motion, the steering sha... | 02/22/1994 |
| 5277268 | Three-wheel battery fork-lift truck A three-wheel fork-lift truck having one rear steering wheel to be turned by a compact steering assembly of simple construction providing sufficient space for accommodating various kinds of attachments. The steering assembly is composed of a pinion provid... | 01/11/1994 |
| 5251932 | Front body structure of automotive vehicle A front body structure of a vehicle includes a pair of front side frames extending on opposite sides of an engine room in a lengthwise direction, from front to back, of the vehicle. A suspension cross member extends in a direction crosswise relative to th... | 10/12/1993 |
| 5222573 | Construction of an automobile power train An automobile powertrain has an engine disposed in an engine room and oriented so that its a crankshaft is directed transversely. A transmission is placed in the engine room behind the engine and has an output shaft directed parallel to the crankshaft. A ... | 06/29/1993 |
| 5213174 | Power steering assembly A hydraulic power rack and pinion steering assembly includes a modular control valve assembly. The modular control valve assembly can be assembled and tested at a location remote from a separate rack housing. The modular control valve assembly comprises a... | 05/25/1993 |
| 5086864 | Hydraulic auxiliary-power steering device The invention is concerned with a device that cuts off pressure in the final positions of the steering movement in an auxiliary-power steering device. In steering devices that have movable working pistons in the steering gear housing, this cut-off device ... | 02/11/1992 |
| 5070958 | Variable effort steering gear A variable effort power steering gear including detent elements in radial sockets in a pinion head, detent grooves in a stem of a stub shaft, an annular low speed reaction piston on the pinion head engageable on the detent elements when the low speed pist... | 12/10/1991 |
| 4773303 | Apparatus and method for readjusting pressure relief poppet valves An apparatus for readjusting first and second adjustable pressure relief poppet valves to vent the fluid pressure moving a piston when the piston is at the ends of a second work stroke which is of a length less than a first work stroke for which the poppe... | 09/27/1988 |
| 4627510 | Hydraulic assisted steering for motor vehicles Hydraulic assisted steering for a motor vehicle comprising a control shaft (1) mounted for rotation in a casing (2) and connected to the steering wheel, a follower shaft (3) also mounted for pivoting in this casing and connected mechanically to a pinion (... | 12/09/1986 |
