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Patent Searching and Data


Matches 551 - 600 out of 4,899

Document Document Title
WO/1990/013464A1
A steering mechanism consists of a steering gear nut which may also take the form of a working piston (2) guided in a gearcase (1) and movable over a steering pivot. A rack-type toothed gear (2A) machined in the working piston (2) engage...  
WO/1990/006879A1
The invention concerns a steering gear, in particular for motor vehicles, with a steering shaft (10), carrying a toothed segment, and a steering-gear nut (4) which engages in the toothed segment by means of a toothed rack (7) and which c...  
WO/1990/005861A1
The present invention relates to a device for progressive gear change. The device comprises a gear wheel (2) arranged in a steering housing, and having its teeth in engagement with teeth of a gear rack (4), and which is arranged to be ro...  
WO/1990/005083A1
In known motor vehicles with steerable wheels pivotally articulated to the vehicle body by means of a subframe, the subframe is usually a single or double shell of drawn sheet metal and the cast light metal housing of a rack-and-pinion s...  
WO/1989/001435A1
A special vehicle has a cross-country steering system and a cab capable of being lowered. A hydraulically assisted steering mechanism of the front axle is provided. A hydraulically assisted steering column assembly (8) is directly secure...  
WO/1988/006113A1
A driving pinion, housed in the steering casing and meshing with a toothed rack, is particularly prone to fractures, being subjected as it is to a high level of jerk stress. Said pinion's stress-bearing capability should therefore be inc...  
WO/1988/003450A1
A method for producing the rack of variable ratio rack-and-pinion steering arrangements in which a uniformly toothed pinion meshes with a non-uniformly toothed rack. The rack has a central section (7) of uniform pitch and tooth shape fla...  
WO/1987/005874A1
A rack and pinion assembly (10) includes a self-adjusting rack support yoke (23) which eliminates the need for yoke (23) adjustment during initial assembly, and provides automatic adjustment of the support yoke (23) during the life of th...  
WO/1986/003437A1
A press device for producing a steering rack (4), especially a rack with a variable ratio obtained by different tooth profiles, has an upper forging piece (1) and a lower forging piece (2). A forging piece (2) forms the negative die for ...  
WO/1986/001168A1
A rack steering mechanism enables to reduce shocks due for example to the wheel fluttering, and which could be axially exerted on the rack (3). These shocks are transmitted to the drive pinion (2) and cause pertubating turning oscillatio...  
WO/1984/001550A1
A steering mechanism comprises a steering nut guided in a casing (1) and displaceable on top of a steering shaft which may be intended simultaneously to work as a drive piston (2). A toothing (2a) which is configured as a rack in the dri...  
WO/1983/004197A1
A die for forming a Y-form rack portion (1) of a steering rack bar (25) from a blank by forging in which the die has at least three forming elements (44, 47, 48) relatively movable on application of forging pressure to the die to converg...  
WO/1983/004079A1
A rack bearing system for supporting a rack (1) in mesh with a pinion (3). The rack (1) can be of "Y" cross-section or it can be cylindrical in shape. Rack (1) is supported by means of pads (12, 13) bearing on inclined surfaces (10, 11) ...  
WO/1981/001396A1
An actuator (10) for effecting relative pivotal movement between two structures (12, 14) includes a bent beam member (18) having a first portion (20) rotatably secured to one structure and a second portion (22) supported for rotation and...  
WO/1981/000239A1
The control mechanism with a rack comprises a rack (1) and a control piston (3) located in a cylinder-shaped housing (4). The rack and the piston are axially movable with respect to each other along a limited path. For that purpose a con...  
JP2024021738A
An object of the present invention is to provide an electric power steering device that can smoothly move a rack bar without getting caught in a rack guide device. An electric power steering device includes a motor, a worm gear, a worm w...  
JP2024505304A
The present invention is a steering system (110) for a vehicle, in particular a commercial vehicle, comprising at least one steering transmission (112), in particular a ball-and-nut hydraulic steering transmission, and at least one first...  
JP7421696B2
To make it possible to perform a satisfactory turning manipulation at a steering device of a work vehicle by smoothly propagating a turning manipulation performed on a steering wheel to a hydraulic steering device.In a work vehicle, a st...  
JP7415295B2
To prevent degradation in the durability of a damper device.A shock absorbing member 10 arranged between a flange-like part 84 with an annular surface overhanging from an outer-peripheral surface of a shaft 40 moving in the axial directi...  
JP2024003297A
[Problem] When the rack bar slides against the rack guide, stable supply of lubricant from the rack bar to the lubricant holding groove and stable supply of lubricant from the lubricant holding groove to the rack bar. To provide a rack g...  
JP2024003298A
An object of the present invention is to provide a rack guide in which lubricant is stably supplied from a rack bar to a lubricant holding groove when the rack bar slides on the rack guide. [Solution] A lubricant holding groove 122 that ...  
JP7412206B2
A cylindrical part of a rack retainer accommodation part and an adjust screw are caulked such that a plastic deformation region by caulking straddles both a female screw part of the cylindrical part and a male screw part of the adjust sc...  
JP2024001907A
An object of the present invention is to provide a steering device that can both reduce the weight of a rack housing and ensure durability. [Solution] A rack bar 30 has a large diameter portion 31 and a small diameter portion 41 having m...  
JP2024001626A
An object of the present invention is to provide a steering device whose configuration can be simplified. A steering device (100) includes a first steering unit (1), a second steering unit (2), a steering unit (3), and a control device (...  
JP2024001302A
An object of the present invention is to provide a housing for an electric power steering device that can ensure uniform fastening axial force. A housing for an electric power steering device includes a first housing having a first end t...  
JP2023551035A
A steering system and a vehicle, the steering system includes a steering gear body (1) having a steering gear input shaft (111) and a gear shaft (105), and separating the steering gear input shaft (111) and the gear shaft (105). or at le...  
JP7389579B2
A rotation transmission device is provided which includes rollers (7a and 7b) disposed between the inner periphery of an outer ring (6) and the outer periphery of an inner ring (5); an armature (31) supported to axially move when an elec...  
JP7388292B2
To provide an auxiliary power unit and a steering device that can suppress a reduction in steering feeling in a variable gear ratio steering device.An auxiliary power unit 40 is intended to supply power to a motor 21 of an EPS. The EPS i...  
JP2023166257A
To suppress the occurrence of steering vibration even when an abnormality occurs on a main-side electric motor in a vehicle on which two pieces of electric power steering are mounted.A vehicle steering control device controls: a main-sid...  
JP2023165276A
To provide a linear motion damper capable of improving workability of assembly and maintenance, and to provide a steering device including the linear motion damper.A steering device 100 includes a linear motion damper 120 between a rack ...  
JP7369643B2
A steering gearbox is equipped with a casing, a rack shaft, and a plurality of bushes. The rack shaft is accommodated in a casing to be movable in an axial direction. The plurality of bushes support the rack shaft to be movable in the ax...  
JP2023146897A
To provide: a rack guide that can stably support a rack bar while preventing knock sounds from occurring; and a gear mechanism using the rack guide.A rack guide 30 comprises: a columnar rack guide main body 31 made of a synthetic resin, ...  
JP7344027B2
A steering device includes a rack shaft that turns wheels, a bush slidably support the rack shaft, tie-rods joined to the rack shaft, boots that cover a joining portion that joins the rack shaft and the tie-rod. A protrusion part is form...  
JP2023538605A
The present invention is a ball-nut steering gear (10) for a steering system of a vehicle, in particular a commercial vehicle, comprising at least one housing (12), at least one steering spindle (14) and a housing (12). ) and at least on...  
JP7338252B2
To provide a rack shaft which can easily perform surface treatment of a guided part supported by a rack guide when a rack teeth is molded by forging, a manufacturing method for the rack shaft, and a steering device provided with the rack...  
JP2023536075A
A serrated component (10) for use in a progressive steering system includes inclined first and second prong ramps (14, 16). These slanted first and second prong ramps (14,16) include a plurality of prongs (20,50) which are connected to t...  
JP7331099B2
A recirculating-ball steering system for transmitting a steering movement to a steering arm, includes: a housing having a steering piston arranged inside the housing, wherein the steering piston includes a ball screw drive and is displac...  
JP2023113118A
To realize a structure of an electric power steering device capable of downsizing a housing in an assist mechanism part and improving mountability to a vehicle.A housing 7 has: a pinion housing part 16 housing at least a tip half part 73...  
JP2023534748A
The present invention is a servo steering assembly for electromechanical servo steering of motor vehicles (10), in particular commercial vehicles, comprising a steering transmission (1), the steering transmission (1) being supplied from ...  
JP7324607B2
A clearance is created between an inner circumference of a bushing main body (2) which surrounds a rack (5) across a row of rack gear teeth (50) and an outer circumference of the rack (5), and two supporting surfaces (21A, 21B) which fac...  
JP2023108847A
To facilitate ensuring a contact area between a tooth flank of a rack tooth and a tooth flank of a pinion tooth in each on a steering side and an assist side in spite of a manufacturing error of a rack shaft.Of a tooth flank of a tooth o...  
JP2023533929A
A modular electric power steering: a tubular neck (1) guiding a universal joint (10) with a defined bending angle and controlled by a controller; a drive assembly (3) consisting of an electric motor, a transmission assembly (2) consistin...  
JP2023108848A
To provide a rack shaft for a steering device having a rack side slide plane which elongates in the axial direction and in which an axial end overlaps a female screw hole in the radial direction at both ends of an object rack in the toot...  
JP7317695B2
To provide a steering device capable of highly precisely controlling turning angles of steered wheels without changing a layout of members. Provided is a steering device (10A) including: a center arm (26) having one end portion configure...  
JP7316325B2
In the present invention, an electric power steering device (100) comprises: a first urging mechanism (60); and a second urging mechanism (70). The first urging mechanism (60) includes a first yoke (61) that abuts against a rack shaft (1...  
JP7307273B2
A steering device includes a steering housing configured to receive and/or to hold at least one steering component, the steering housing including at least one housing section that is made from synthetic material, and a sensor unit which...  
JP7306027B2
A rack bar (11) includes: a rack tooth row (112) including a plurality of rack teeth (111) meshing with pinion teeth (9a); a hardened layer (K) provided continuously over an entire circumference of the rack tooth row (112); and a center ...  
JP2023098292A
To provide an electric power steering device that is able to minimize a variation width of resistance force to linear motion of a rack shaft in an axial direction.The respective center axes of a steering-side pinion shaft 10 and an assis...  
JP2023097231A
To provide a rack guide which can stably support a rack bar over a long time while preventing occurrence of striking sound, and to provide a gear mechanism using the rack guide.A rack guide 30 slidably supports a rack bar 20 formed with ...  
JP2023097232A
To provide a rack guide which can stably support a rack bar while preventing occurrence of striking sound, and to provide a gear mechanism using the rack guide.A rack guide 30 includes at least three projection parts 34 which protrude fr...  

Matches 551 - 600 out of 4,899