Abstract: A pressure portion (1) includes a receiver (2) for adjustable lateral support of a rack (Z) for a steering arrangement of vehicles. The pressure portion (1) arranged in positionally variable relationship guided linearly in a guide passage (F) for adjustment of the support of the rack (Z) in an adjustment direction (e), and enlarged or expanded for at least partial contact at an inside wall side in the guide passage (F) with respect to a directional component (r2) which is radial relative to the adjustment direction (e). The pressure portion (1) has radially at an outside thereof an elastomeric force application aid (11) for transmission of forces from the pressure portion (1) to an inside wall (10) of the guide passage (F).

Abstract: A method of producing a rack is proposed, which comprises aligning a first bar piece, an intermediate piece and a second bar piece in order along a common axis; carrying out a first process in which the first and second bar pieces are stationarily held while showing a predetermined intersection angle between the first rack teeth on the first bar piece and the second rack teeth on the second bar piece; and carrying out a second process in which each of the first and second bar pieces and the intermediate piece are brought into contact with each other at mutually facing ends and subjected to a relative rotation therebetween for a friction welding thereby to join the first bar piece, the intermediate piece and the second bar piece together by the friction welding.

Abstract: Rack and pinion drive for a motor vehicle, with a steering housing (1), in which a steering pinion (2) is rotatably mounted and is in engagement with a tooth segment (3) of a toothed rack (4) displaceably mounted in the steering housing (1) in the direction of a longitudinal axis (5), wherein the tooth segment (3) forms an even surface with the upper face thereof facing the steering pinion (2), wherein the toothed rack (4) has two guide surfaces (9), which are even and are oriented at an acute angle to a surface normal of the tooth segment (3), and wherein at least one guide roller (11) is provided on either side of the toothed rack (4), said rollers being in contact with the guide surfaces (9), wherein the two guide rollers (11) are provided respectively on a left and a right side of the pinion when viewed from a toothing engagement point with the toothed rack.

Abstract: A device for movement transmission, torque transmission, force transmission and/or enabling movement can form a gear and/or guidance mechanism and be used in a vacuum. The device includes at least one notch/engagement part mechanism, which is formed by at least one notch and at least one engagement part. The device further includes at least two contact surfaces, at least one contact surface being able to roll along the other contact surface.

Abstract: A yoke assembly adapted for use in a rack and pinion steering gear assembly for a vehicle comprises a yoke housing having a bore; a yoke bearing disposed in the bore; a yoke cover secured in the bore; a spring disposed in the bore between the yoke bearing and the yoke cover; and an automatic-adjusting mechanism secured in the yoke cover. The automatic-self adjusting mechanism includes a member which is configured to self adjust and move in a direction toward the yoke bearing so as to maintain the member in constant contact against the yoke bearing as associated components of the rack and pinion steering gear wear.

Abstract: A recirculating-ball style gearbox for a vehicle steering system is provided. The gearbox has a rack with rack-teeth that are capable of providing variable ratio steering, where the rack-teeth are in mesh with the involute-teeth of a tapered sector gear. The involute-teeth of the sector gear have arrays of helical meshing lines extending across the meshing surfaces of the teeth, wherein the array of helical meshing lines have leads that decrease in length moving radially outward across the meshing surfaces.

Abstract: A rack bar supporting device for a vehicle steering apparatus, having a clearance between the rack bar and a support yoke can be kept always constant when the vehicle steering apparatus is operated, which makes it possible to reduce operational friction and noise, to maintain the supporting force of the support yoke and the rack bar to be constant for a long time, and to improve a steering feeling of a driver.

Abstract: The present invention relates to an elastic support module and a rack bar supporting device for a vehicle steering apparatus, which includes the elastic support module. By the present invention, it is possible to prevent a noise from being produced due to the increase of a clearance caused when a vehicle loses the driving durability thereof to a certain degree and hence a support yoke of the vehicle is worn, or due to an impact reversely input from a road surface, and hence to provide a pleasant steering feeling for a driver when steering the vehicle.

Abstract: A floating bearing for a steering gear, having an inner ring for receiving a pinion shaft of the steering gear and having an outer ring which surrounds the inner ring and which serves for the mounting of the floating bearing in a housing of the steering gear, wherein the outer ring and the inner ring form an annular gap between them and wherein the outer ring and the inner ring are connected to one another by means of at least one flexible connecting part such that said outer ring and inner ring are movable relative to one another in at least one radial direction, is characterized in that the outer ring and/or the inner ring form, within the connecting part, at least one projection which projects into the annular gap such that the spacing between the outer ring and inner ring is smaller in the region of the projection than in the remaining section of the annular gap.

Abstract: A rack shaft supporting device includes a support yoke, a plug, an intermediate component, a torque generation spring, and rolling elements. The plug has a plug end portion and plug cam faces formed in the plug end portion. The intermediate component is arranged between the plug and the support yoke in a state where the intermediate component is rotatable relative to the rack housing and movable relative to the rack housing in a pushing direction. The intermediate component has an intermediate opposed portion opposed to the plug end portion and intermediate cam faces opposed to the plug cam faces. The rolling elements are arranged between the plug cam faces and the intermediate cam faces, and make contact with each of the plug cam faces and the intermediate cam faces.

Abstract: A rack and pinion arrangement includes rack and pinion rods having a carrier bar, a guide bar and inner rack and pinion teeth for interaction with a driving sprocket. An end tooth at both ends of the each rack and pinion rod has a change in radius of curvature, and the tooth profile of the inner rack and pinion teeth has a change in radius of curvature. The change in radius of curvature of the end teeth is lower than the change in radius of the inner rack and pinion teeth. The end tooth head of the end teeth is lower than the tooth heads of the inner rack and pinion teeth. The end tooth in the region of the change in radius of curvature has a greater tooth width than the inner rack and pinion teeth in the region of the change in radius of curvature.

Abstract: The invention relates to a push device (8) which includes a rotary pad (10) in which the inner periphery (11) is off-center relative to the outer periphery (12) and applied to the rear (9) of the rack (3) which is thereby pushed towards the teeth of the steering pinion (5). A clearance compensation mechanism (17) includes a thrust member (19) pressed against a radial arm (18) of the pad (10) by a compression spring (20) inserted between said member and an element (23) secured to the support (13) of the pad (10). A mobile stop (21) rotatably mounted relative to the element (23) comprises toothings having staggered gear teeth cooperating with notches of the thrust member (19). The stop (21) is connected to the element (23) by means of a torsion spring (22). The notches successively cooperate with the staggered teeth.

Abstract: A device for pressing a rack onto a pinion engaged with the rack, in particular for a steering system of a motor vehicle, comprising a pressure piece, which can be loaded in the direction of the rack and is displaceably guided in a housing, and comprising an adjusting device for compensating play that occurs in the steering system. In known devices, the play of the pressure piece must be set by way of an adjusting screw. This proves to be very complicated and problematic. An adjusting screw is therefore provided, wherein a spring washer is disposed between the adjusting screw and the adjusting device, and the adjusting device has a shoulder and the adjusting screw has a recess, or the adjusting device has the recess and the adjusting screw has the shoulder.

Abstract: In a self-lubricating transmission device 1, a compression helical spring 15 is provided to urge an impregnation metal 14 as an impregnation means so as to slidably contact the impregnation metal 14 with pin rollers 7. In combination with a rotational movement of a pinion 6, the pin rollers 7 slide on a lower surface 14d of the impregnation metal 14 to supply a lubrication oil W to the pin rollers 7 so as to automatically lubricate the pinion 6 evenly at the right time for an appropriate amount of the lubrication oil W. This obviates the lubrication oil W being wastefully used, while at the same time, making a lubrication work quick, labor-saving and user-friendly.

Abstract: A rack guide unit includes a closure member secured to an external opening end of an accommodation portion of a housing, and a rack guide. A compression coil spring and a coned disc spring that urge the rack guide toward a rack shaft are interposed between the closure member and the rack guide. A holding member that holds the coned disc spring includes a guide tube that guides a radially inner portion of the coned disc spring and a seat plate that receives a load from the coned disc spring. An elastic member held in an accommodation groove formed in the outer periphery of the guide tube is frictionally engaged with the inner periphery (opposed portion) of a tubular portion of the rack guide.

Abstract: A rack guide unit includes a closure member secured to an external opening end of an accommodation portion of a housing, and a rack guide. Coned disc springs that urge the rack guide toward a rack shaft are interposed between the closure member and the rack guide. A protrusion of the closure member is passed through the coned disc springs and inserted in a recessed portion of the rack guide. An O-ring held in an accommodation groove formed in the outer periphery of the protrusion, at a position closer to the distal end of the protrusion than the coned disc springs are, functions as a retaining protrusion that restrains the coned disc springs from coming off the protrusion. For example, the coned disc springs and the closure member constitute a subassembly formed in advance.

Abstract: An automatic clearance compensation device for a support yoke of a rack-pinion type steering apparatus, includes: a hollow yoke cylinder integrally formed with a rack housing, wherein the yoke cylinder is positioned at the opposite side of a rack gear formed at a rack bar; a support yoke slidably inserted within the yoke cylinder and formed with a groove at its one side to be in contact with the outer surface of the rack bar; a spacer assembly installed within the yoke cylinder, contacting the other side of the support yoke. The device can automatically compensate for the clearance created due to the wear between the rack bar and the support yoke. Even when the external impacts are reversely transmitted, the device can remove the noise generated between the support yoke and the yoke plug.

Abstract: A rack and pinion steering device which can restrict a pinion shaft from moving in an axial direction even when a snap ring of supporting a thrust load of the pinion shaft is detached or broken, and in which when the snap ring is detached or broken, the pinion shaft is moved to an upper side in the axial direction. Then, a raised portion of the pinion on a side of a lower end face is brought into contact with an outer peripheral face of a rack. The pinion shaft does not move further in the axial direction. Therefore, the thrust load can be supported, and a predetermined performance of the rack and pinion steering device can be maintained.

Abstract: A power steering apparatus including a rack gear and a pinion gear that are disposed within a housing and preloaded by a yoke assembly. The yoke assembly includes a bushing that is biased into engagement with the rack. A yoke plug extends through a yoke opening to provide a gear mesh load on the rack through the bushing assembly. The yoke body is axially assembled through a rack gear bore in the housing of the steering gear and a yoke assembly is inserted through a yoke bore to apply mesh preload to the bushing assembly. A method of making the yoke assembly by forming leaf springs that are over-molded to form a yoke body.

Abstract: The invention relates to a pusher device (8) that includes a rotary bearing (10) having an inner periphery (11) that is off-center relative to the outer periphery (12). In order to compensate for wear, the bearing (10) is rotationally urged in one direction (F) by a spring (10) and is thus pressed against the back (9) of a rack (3) that is then pushed back against the teeth of the steering sprocket (5). The rotary bearing (10) is rotatingly mounted in a housing (13) that is in turn mounted on a steering casing (2) so as to be capable of sliding in a direction (B) parallel to a plane (P) of the teeth (6) of the rack (3) and orthogonal to the axis (A) of said rack. Shock-absorbing spring means (20, 21) are arranged between the sliding housing (13) and the steering casing (2) for absorbing the straightness defects of the rack (3).

Abstract: A device (3) for guiding a power tool (2) along an advancing direction (18), consisting of a baseplate (9) that can be fastened to a substrate (8) by a fastening means (10), of a guide rail (11) that can be joined to the baseplate (9) and that has a contour (21), and of a guide carriage (16) for guiding the power tool (2) along the advancing direction (18), whereby the guide carriage (16) has a counter-contours (22) that can be made to engage with the contour (21), the guide rail (11) being joined to an axis element (24) and is configured so that it can rotate relative to the baseplate (9) around a rotational axis (23) that is parallel to the advancing direction (18).

Abstract: A rack-and-pinion mechanism includes a first rack and a second rack, a first pinion and a second pinion, and a timing bar. Each of the racks includes a first set of teeth provided longitudinally therealong. Each of the first pinion and the second pinion includes a second set of teeth provided circumferentially therearound. The first pinion and the second pinion are configured to rotate along the first rack and the second rack respectively through engagement of the second set of teeth with the first set of teeth. The timing bar includes a first end and a second end. The first end and the second end are configured to be coupled to the first pinion and the second pinion respectively so that the first and second pinions rotate as one. The first pinion is configured to be movable with respect to the timing bar along a longitudinal axis of the timing bar.

Abstract: A slide plate and a rack guide for supporting a rack bar in a casing of a rack and pinion type steering device are provided. The slide plate can be mounted on a rack guide base body while being restricted to be in a regular state with respect to a recessed portion of the rack guide base body. The rack guide is constituted by the slide plate and the rack guide base body on which the slide plate is mounted. The slide plate is constituted by a main body portion receiving the rack bar, and restricting portions on both sides of the main body portion in a moving direction of the rack bar, which restricting portions are in contact with both flanks of the rack guide base body.

Abstract: In a manufacturing method for a hollow rack shaft, and a hollow rack shaft, a tubular member (23) having a planar flat portion (22) that is formed in part of a tubular body portion (21) is sandwiched and held between a cope (25) and a drag (26) that has a tooth-shaped portion (29) substantially symmetrical with rack teeth (7) so that a surface (22a) of the flat portion (22) is in contact with the tooth-shaped portion (29). A back die (14) having a plurality of protrusions (15) is arranged so that the protrusions (15) face groove portions (29a) of the tooth-shaped portion (29) across the flat portion (22), and the back die (14) is pressed against the flat portion (22) to form the rack teeth (7) to thereby manufacture the rack shaft.

Abstract: A device for pressing a rack onto a pinion engaged with the rack, for a steering system of a motor vehicle, is equipped with a pressure piece, which can be loaded in the direction of the rack by way of a compression spring and is displaceably guided in a housing, and with an adjusting device for compensating play that occurs in the steering system. A spring washer is disposed between the adjusting device and the pressure piece, wherein the adjusting device has shoulder and the pressure piece has a recess or the pressure piece has a shoulder and the adjusting device has a recess in the region of the spring washer. The adjusting device further comprises two adjusting disks which are rotatable relative to one another and beat against one another at contact surfaces, and the contact surfaces have at least two beveled edges. The complete adjusting device is preinstalled as an assembly unit comprising the pressure piece, the spring washer, and the compression spring with the use of a spring pin.

Abstract: Described is a toothed-rack steering gear having a drive pinion (3) which is rotatably mounted in a steering housing (2) and which engages into a toothed rack (4) which is axially movably mounted in the steering housing (2), having a thrust piece (5) which preloads the toothed rack (4) against the drive pinion (3), and having at least one further machine element (15) which is operatively connected to the toothed rack (4) and which is mounted so as to be radially immovable with respect to the toothed rack (4), wherein the preload force exerted on the toothed rack (4) by the thrust piece (5) causes bending of the toothed rack (4).

Abstract: Steering pinions and methods for producing the same are described. The steering pinion has a toothed section for meshing with a gear rack and a connection section for connecting to a steering shaft. The toothed section includes a toothed part and the connection section includes a connection part. The toothed part and the connection part are pressed together in a rotationally fixed manner.

Abstract: A controllable steering rack guide system includes a pinion having pinion gear teeth and a steering rack having rack gear teeth engaged with the pinion gear teeth of the pinion. A rack guide is radially moveable relative to the steering rack for applying a radial force to the steering rack. A primary spring applies a compression force on the rack guide for forcing the rack guide radially toward the steering rack. The compression force of the primary spring is continuously adjustable during operation of the pinion and the steering rack.

Abstract: A steering system includes a wheel rotatable between on-center and off-center positions, and a shaft having teeth. The shaft defines a cavity and is rotatable about an axis that is perpendicular to the teeth. The system includes a nut having cogs defining grooves therebetween, wherein each tooth is matable with a groove. The system includes a lash adjuster translatable within the cavity, and a retainer contacting the adjuster and shaft, and configured for positioning the shaft along the axis as the wheel rotates. A center one of the gear teeth meshes with one of the grooves to define a first gap having a first thickness therebetween when the wheel is in the on-center position. An outer one of the gear teeth meshes with an outer groove to define a second gap having a second thickness that is greater than the first thickness when the wheel is in the off-center position.

Abstract: A vehicle having a power supply apparatus which is configured to supply an electric power to an external apparatus outside the vehicle, includes: a detecting unit which is configured to detect a state where a cable is pinched between an opening and closing member of the vehicle and an opening edge of an opening for the opening and closing member, the cable connecting the power supply apparatus to the external apparatus and being arranged in an interior of the vehicle; and an inhibiting unit which, when the detecting unit detects that the cable is pinched between the opening and closing member and the opening edge, is configured to inhibit running of the vehicle.

Abstract: A rack-and-pinion steering apparatus comprises pinion teeth formed according to proper tooth specifications in other aspects under a larger pressure angle, thereby stably offering smooth and comfortable steering feeling over a long time. The module (m), number of teeth (z), tooth depth (h) and helix angle (?) of the pinion teeth (4) are set within the following ranges, under a pressure angle (?) set within a range of 24° to 30° and a given stroke ratio. module (m): 1.8 to 2.0 number of teeth (z): 7 to 13 tooth depth (h): 2 m to 2.

Abstract: A rack bar includes a shaft portion and a rack toothed portion provided on the shaft portion. The rack toothed portion includes a plurality of rack teeth provided side by side in an axial direction of the shaft portion to mesh with a pinion gear. Each of the rack teeth includes a tooth tip portion, a contact face arranged obliquely relative to the axial direction and configured to contact the pinion gear, and a rounded corner portion between the tooth tip portion and the contact face. A first radius defining a central area of the rounded corner portion with respect to a tooth width direction is larger than a second radius defining another area of the rounded corner portion other than the central area.

Abstract: Provided is an interlocking chain unit that has reliable and strong interlocking and avoids buckling, breaking, and bending of a rigidified chain portion. In the interlocking chain unit (100), the interlocking operation of an outer tooth link plate (112BZ) and an outer tooth link plate (112AY) that are just about to complete the interlocking operation is completed in a manner that causes a first inter-pin distance (d1) and a second inter-pin distance (d2) become substantially equal to each other, and causes a third inter-pin distance (d3) to approach the second inter-pin distance (d2).

Abstract: A rack with a rack tip is disclosed. The rack tip is slidably mounted to the end of the rack.

Abstract: A rack shaft supporting device includes a support yoke, a plug, an intermediate component, a torque generation spring, and rolling elements. The plug has a plug end portion and plug cam faces formed in the plug end portion. The intermediate component is arranged between the plug and the support yoke in a state where the intermediate component is rotatable relative to the rack housing and movable relative to the rack housing in a pushing direction. The intermediate component has an intermediate opposed portion opposed to the plug end portion and intermediate cam faces opposed to the plug cam faces. The rolling elements are arranged between the plug cam faces and the intermediate cam faces, and make contact with each of the plug cam faces and the intermediate cam faces.

Abstract: A support member that supports a support yoke is received by an intermediate member. Along with progress of abrasion of the support yoke, a rotational force applying spring rotates the intermediate member. A cam mechanism formed in facing portions of the intermediate member and the support member drives the support member toward the support yoke. A set length regulation mechanism that regulates a set length of a coned disc spring includes a recessed portion in a rear face of the support yoke, and a projection shaft fixed to a front face of the support member. A nut that receives the washer abuts on a positioning stepped portion of a distal end portion of the projection shaft.

Abstract: A rack bar includes a shaft: portion, a rack toothed portion provided on the shaft portion, and a dummy toothed portion. The rack toothed portion includes a plurality of rack teeth provided side by side in an axial direction of the shaft portion, each of the rack teeth including a contact face arranged obliquely relative to the axial direction to contact the pinion gear. The dummy toothed portion includes at least one dummy tooth provided on at least one side of the rack toothed portion in the axial direction such that the dummy tooth is arranged parallel to and next to the rack. teeth. The dummy tooth is designed such that a whole height of the dummy tooth is smaller than a whole height of each of the rack teeth.

Abstract: Disclosed are a variable gear ratio type rack bar, and a steering apparatus having the same. According to the present invention, it is not required to fabricate a separate mold for processing rack-formed parts with different inter-tooth spaces, the rack-formed parts can be formed by using various processing methods, and it is possible to obtain precise tooth shapes through one step processing, whereby the number of steps for manufacturing a variable gear ratio type rack bar and its manufacturing cost can be reduced.

Abstract: The invention provides for a power steering apparatus comprising of a housing that extends along a longitudinal axis. A rack is disposed within the housing and supported for movement along the longitudinal axis by a bearing. A pinion supported by the housing is in meshing engagement with the rack. The bearing disposed around the rack includes a wall of a continuous varying radial thickness that circumferentially surrounds the rack. An adjustment device supported by the housing is connected to the bearing and rotatably adjusts the bearing relative to the longitudinal axis. The continuous varying radial thickness of the wall positions the rack as the bearing is rotated by the adjustment device relative to the pinion ensuring proper meshing engagement between the rack and the pinion.

Abstract: A continuously variable speed transmission includes a first guideway, a second guideway, wherein the first guideway and the second guideway remain stationary during operation at a particular speed ratio. The transmission includes a first member moveably connected to the first guideway and the second guideway, the first member includes gear teeth and a second member having gear teeth positioned at an adjustable angle relative to the first member. The speed ratio of the transmission is determined based on angle of the second member relative to the first member. In another variation, the first member may be either an input member or a control member, and the second member may be either an input member or a control member. An additional member connected to the center of the gear between the first and second members would then serve as the output member.

Abstract: The present invention provides a rectilinear motion device 1 including: a linear rack 13 having a plurality of teeth 13T; a main drive pinion 24 that meshes with the teeth 13T of the rack 13; an auxiliary drive pinion 25 that meshes with the teeth 13T of the rack 13 in a position away from the main drive pinion 24; a main drive motor 22 that rotationally drives the main drive pinion 24; an auxiliary drive motor 23 that rotationally drives the auxiliary drive pinion 25; and a movable carrier 20 to which the main drive motor 22 and the auxiliary drive motor 23 are secured and that moves along the rack 13 with rotational driving of the main drive motor 22 and the auxiliary drive motor 23, wherein the auxiliary drive motor 23 is rotationally driven, in stopping the moving movable carrier 20, in a reverse direction to a driving direction of the main drive motor 22 in motion.

Abstract: A linear guide comprising at least two stationarily supported guide bars, on which a guide block is mounted and which is longitudinally displaceable relative to the guide bars. The guide block is provided with a driving unit to generate a relative movement with respect to the guide bars, the driving unit comprising a pinion which meshes with the teeth of a toothed rack extending in parallel with the guide bars. The toothed rack is mounted only at its front and rear ends and is suspended in-between. A guiding element assigned to the pinion is mounted to the guide block so as to be displaceable in the longitudinal direction of the toothed rack on which it is supported in a form-locking manner. The guiding element engages over the toothed rack at the region opposite the mesh between the pinion and the teeth.

Abstract: A rack shaft support device includes: a rack shaft support member that is accommodated inside a retention hole formed in a housing so as to slide in an axial direction of the retention hole, and slidably supports a rack shaft; a sealing member fixed to an inlet port of the retention hole; an intermediate member that is interposed between the rack shaft support member and the sealing member; a torsion spring that couples the sealing member and the intermediate member; a cam mechanism that converts a rotational force of the intermediate member induced by untwisting of the torsion spring to a force by which the intermediate member pushes the rack shaft support member; an opposing portion that opposes a rear surface of the rack shaft support member; and an annular elastic member that is interposed between the rear surface of the rack shaft support member and the opposing portion.

Abstract: The one end side portion is nipped by a jig including a jig member having a pair of convex portions which are to be fitted to a depressions in contact with a tooth side face and a inclined portion and positioning a bar and a jig member which is to be clamped/opened with respect to the jig member. A die having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion of the cylindrical end side portion projected from the jig up to a press-in depth determined preliminarily based on the rack, so as to reduce the diameter of the end portion.

Abstract: Disclosed is a rack bar supporting device of a rack and pinion type steering apparatus for a vehicle. The disclosed device can prevent free movement from increasing by automatically adjusting a predetermined free movement even when wear occurs in a support yoke after degradation of driving durability of the vehicle, and can prevent a noise from occurring caused by an increase of free movement when the support yoke collides with a yoke plug by an impact reversely input from an uneven road surface, etc. This can provide a comfortable steering feeling to the driver.

Abstract: The present invention includes a bar having a maximum cross section region smaller than a minimum cross section region of a hollow portion of a pipe P, and projected portions mounted along an axial direction of the bar and including a projected portion with maximum extent Hb, extent Ha of the projected portion positioned at a leading end side of the bar is set to be smaller than extent Hb of the projected portion positioned at a center side in the axial direction, and extent Hc of the projected portion positioned at a base end side of the bar is set to be less than or equal to extent Hb of the projected portion.

Abstract: A rack shaft support device includes: a rack shaft support member that slidably supports a rack shaft; a sealing member fixed to an inlet port of a retention hole formed in a housing; an intermediate member that is interposed between the rack shaft support member and the sealing member; a torsion spring that couples the intermediate member so that torque is transmitted to the intermediate member; a torsion amount adjusting member that is attached to the sealing member in such a manner that a position of the torsion amount adjusting member with respect to the sealing member is adjustable and adjusts a torsion amount of the torsion spring; and a cam mechanism that converts a rotation force of the intermediate member induced by untwisting of the torsion spring into a force by which the intermediate member pushes the rack shaft support member.

Abstract: An adjustment assembly is provided, including a rack and a stepped gear. The rack has an array of rack teeth. The rack is moveable in a generally linear direction as an amount of force is exerted on the rack in the linear direction. The stepped gear includes an inner step and an outer step. One of the inner step and the outer step has a set of teeth. The set of teeth are meshed with the array of rack teeth. A center axis is oriented at about a center of the outer step. An axis of rotation is offset from the center axis of the stepped gear, and is configured to create a variable gear ratio between the set of teeth of the inner step or the outer step of the stepped gear and the array of rack teeth as the rack is moved in a linear direction.

Abstract: A power steering apparatus including a rack gear and a pinion gear that are disposed within a housing and preloaded by a yoke assembly. The yoke assembly includes a bushing that is biased into engagement with the rack. A yoke plug extends through a yoke opening to provide a gear mesh load on the rack through the bushing assembly. The yoke body is axially assembled through a rack gear bore in the housing of the steering gear and a yoke assembly is inserted through a yoke bore to apply mesh preload to the bushing assembly. A method of making the yoke assembly by forming leaf springs that are over-molded to form a yoke body.

Abstract: Disclosed is a rack bush and a rack pinion type steering apparatus having the rack bush for a vehicle, which can smoothly support a load in an axial direction and a vertical direction of a rack bar so that it is possible to reduce abnormal abrasion of the rack bush, reduce a rattle noise caused by external force transferred through the rack bar during movement of the rack bar, and prevent damage to the rack bar and a pinion through distribution of the load due to an external impact on the shaft.