Steering knuckle and kingpin assembly
US4635952A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 7, 1985 |
| Grant date | Jan 13, 1987 |
| Priority date | — |
| Expiry date | May 7, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D7/18
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motor vehicle steering knuckle and kingpin assembly comprising a kingpin fixedly mounted through the motor vehicle front axle or beam with the end portions of the kingpin projecting above and below the front axle or beam. A wheel spindle knuckle is pivotally mounted relative to the kingpin, the spindle knuckle having an upper yoke having a bore disposed around the kingpin upper end portion and a lower yoke having a bore disposed around the kingpin lower end portion, a bushing being installed in each of the yoke bores. The kingpin end portions have a frusto-conical peripheral surface and the yoke bushings have a cylindrical internal surface such that, under load, the bearing surfaces in engagement and capable of transmitting the load are along the whole length of the bearing surfaces. Alternatively, the kingpin end portions are provided with a peripheral cylindrical surface co-operating with an appropriate frusto-conical internal surface for the bushings. The invention also contemplates providing the kingpin end portions with a slightly spherical peripheral surface co-operating with yoke bushings having a cylindrical internal surface, or providing the kingpin end portions with a c…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.