Patent application number | Description | Published |
20090317177 | CONSTANT VELOCITY UNIVERSAL JOINT - The present invention provides a constant velocity universal joint having a recess-projection engagement configuration in which backlash at a shaft connecting region does not easily occur, and an inner joint component and a shaft can be firmly connected. In the constant velocity universal joint of the present invention, the inner joint component and the shaft | 12-24-2009 |
20100021102 | WHEEL BEARING DEVICE - The present invention provides a wheel bearing device that can suppress backlash in the circumferential direction and has excellent workability in connecting a hub wheel and a outer joint component of a constant velocity universal joint. The wheel bearing device according to the present invention is that in which a stem shaft | 01-28-2010 |
20100092122 | BEARING DEVICE FOR DRIVING WHEEL, AND ITS ASSEMBLING METHOD - Provided is a small-sized, lightweight, low-cost, and highly reliable bearing device for a driving wheel which needs no tapered spline, and eliminates a circumferential backlash in spline fitting portions to thereby prevent unusual noise. The bearing device for a driving wheel comprises an outer race ( | 04-15-2010 |
20100195947 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel, in which circumferential play is minimized and in which a hub ring and an outer joint member of a constant velocity universal joint can be connected with excellent workability. Axially extending projections ( | 08-05-2010 |
20100209035 | BEARING DEVICE FOR WHEEL - Provided is a bearing device for a wheel capable of suppressing a backlash in a circumferential direction, excellent in coupling operability of a hub wheel and an outer joint member of a constant velocity universal joint, and excellent in maintenance property by allowing separation of the hub wheel and the outer joint member of the constant velocity universal joint from each other. In the bearing device for a wheel, a hub wheel ( | 08-19-2010 |
20100215302 | BEARING DEVICE FOR A WHEEL - Provided is a bearing device for a wheel that can realize prevention of a backlash in a circumferential direction and is excellent in workability of connection of a hub wheel and an outer joint member of a constant velocity universal joint. Further, provided is a bearing device for a wheel that can prevent deterioration in NVH characteristics, which is caused by the backlash occurring in a joint section between the hub wheel and the constant velocity universal joint or between an outer member and a knuckle, and can perform rotation torque transmission with high accuracy. The bearing device includes a recess-projection fitting structure (M) in which the hub wheel ( | 08-26-2010 |
20100216557 | WHEEL BEARING DEVICE, METHOD OF ASSEMBLING WHEEL BEARING DEVICE, ASSEMBLY CONFIGURED BY WHEEL BEARING DEVICE AND DRIVE SHAFT, AND METHOD OF ASSEMBLING ASSEMBLY - The present invention provides a wheel bearing device, a method of assembling the wheel bearing device, an assembly configured by the wheel bearing device and a drive shaft, and a method of assembling the assembly, in which the wheel bearing device eliminates a nut tightening operation, is capable of reducing costs, and has a projection and recess mating structure that can firmly connect an outer joint member and a hub. | 08-26-2010 |
20100220946 | BEARING DEVICE FOR WHEEL - Provided is a bearing device for a wheel capable of suppressing a backlash in a circumferential direction, excellent in coupling operability of a hub wheel and an outer joint member of a constant velocity universal joint, and excellent in maintenance property by allowing separation of the hub wheel and the outer joint member of the constant velocity universal joint. In the bearing device for a wheel, a hub wheel ( | 09-02-2010 |
20100226604 | BEARING DEVICE FOR A WHEEL - Provided is a bearing device for a wheel capable of suppressing radial play and allowing firm and easy connection between a hub and an outer ring of a constant velocity universal joint. Axially extending projections ( | 09-09-2010 |
20100331093 | BEARING DEVICE FOR WHEEL, AND AXLE MODULE - Provided is a bearing device for a wheel capable of suppressing a backlash in a circumferential direction, excellent in coupling workability of a hub wheel and an outer joint member of a constant velocity universal joint, and excellent in strength owing to stable fitting between the hub wheel and the outer joint member of the constant velocity universal joint. An axle module using such bearing device for a wheel is also provided. Projecting portions extending in an axial direction are provided on one of an outer surface of a shaft section of the outer joint member and an inner surface of a hole portion of the hub wheel. The projecting portions are press-fitted into the other along the axial direction, and recessed portions are formed in the other through press-fitting of the projecting portions. Thus, a recess-projection fitting structure is formed, in which the projecting portions and the recessed portions are held in close contact with each other through an entire region of fitting contact regions therebetween. Hardness of at least press-fitting start end portions of the projecting portions is set to be higher than hardness of a recessed-portion forming region. A hardness difference therebetween is set to be equal to or larger than 20 points in HRC. | 12-30-2010 |
20110009199 | WHEEL BEARING APPARATUS AND AXLE MODULE - Provided are a low-cost wheel bearing device and axle module which are manufactured by small work man-hours and assemblyman-hours and at lower component replacement cost for maintenance and repairing. A recess-projection fitting structure is configured by providing projections extending in an axial direction on any one of an outer diameter surface of a shaft section of an outer joint member and an inner diameter surface of a hole of a hub wheel, press-fitting the projections in another of the outer diameter surface and the inner diameter surface along the axial direction, and forming recesses brought into close contact and fitted with respect to the projections by this press fitting in the another of the outer diameter surface and the inner diameter surface, the projections and the recesses being held in close contact with each other through intermediation of entire fitting contact regions. An outer member is fitted in a hole of a knuckle of a vehicle with a predetermined fit. Annular grooves are formed respectively in an outer peripheral surface of the outer member and an inner peripheral surface of the hole of the knuckle, and a snap ring is engaged with both the annular grooves. Consequently, the outer member is separable from the knuckle only by deformation or breakage of the snap ring caused by application of a drawing force larger than a drawing force acting in normal use. | 01-13-2011 |
20110012420 | BEARING DEVICE FOR A WHEEL - To provide a bearing device for a wheel that can realize suppression of a backlash in a circumferential direction and is excellent in workability of connection of a hub wheel and an outer joint member of a constant-velocity joint member, can perform stable torque transmission over a long period of time and is excellent in maintainability because separation of the hub wheel and the outer joint member of the constant-velocity universal joint is possible, and can perform stable torque transmission over a long period of time. | 01-20-2011 |
20130334870 | BEARING DEVICE FOR WHEEL, AND AXLE MODULE - A bearing device for a wheel suppresses backlash in a circumferential direction, has excellent coupling workability with a hub wheel and an outer joint member of a constant velocity universal joint, and has excellent strength owing to stable fitting between the hub wheel and the outer joint member. Projecting portions extending in an axial direction are provided on one of an outer surface of a shaft section of the outer joint member and an inner surface of a hole portion of the hub wheel. The projecting portions are press-fitted into the other along the axial direction, and recessed portions are formed in the other through press-fitting of the projecting portions. Thus, a recess-projection fitting structure is formed, in which the projecting portions and the recessed portions are held in close contact with each other through an entire region of fitting contact regions therebetween. | 12-19-2013 |
20130342004 | WHEEL BEARING APPARATUS AND AXLE MODULE - A recess-projection fitting structure includes projections extending in an axial direction on an outer diameter surface of a shaft section of an outer joint member or an inner diameter surface of a hole of a hub wheel, press-fitting the projections in another of the outer diameter surface and the inner diameter surface along the axial direction, and forming recesses brought into contact and fitted with the projections by press fitting in the other of the outer diameter surface and the inner diameter surface, the projections and the recesses being held in contact with each other through intermediation. An outer member is fitted in a hole of a knuckle of a vehicle. Annular grooves are formed respectively in an outer peripheral surface of the outer member and an inner peripheral surface of the hole of the knuckle, and a snap ring is engaged with both the annular grooves. | 12-26-2013 |
20140239706 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other. | 08-28-2014 |
20140239707 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other. | 08-28-2014 |
20140306511 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel is capable of suppressing radial play and allowing firm and easy connection between a hub and an outer ring of a constant velocity universal joint. Axially extending projections are provided on a shaft portion of a joint outer ring, and the shaft portion is press-fitted into a hole of a hub. Through this press-fitting, recesses held in close fit-engagement with the projections are formed by the projections in an inner diameter surface of the hub, forming a recess/projection fit-engagement structure in which the projections and the recesses are held in close contact with each other over an entire fit-engagement region thereof. A press-fitting margin (Δd) of the projections with respect to the hub and a height (h) of the projections are set to the following range: 0.3<Δd/2 h<0.86. | 10-16-2014 |