Reduced size bushing for beam-type axle suspension system
US5996981A · kind A · utility
27Cited by
16References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | May 5, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2206/0112
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air-ride beam-type axle suspension system for tractor-trailers and other heavy-duty wheeled vehicles having a brake chamber of an air brake assembly mounted on the beam, wherein the beam is tapered. Specifically, each beam of the axle suspension system tapers from a narrower width at its end that is pivotally attached to a frame rail of the trailer, to a wider width at its opposite end. The tapered beam provides easier mounting of the suspension system on existing trailer frame rails and incorporation of a reduced-size pivot bushing at the narrower end of the beam, and optimizes the weight of the axle suspension system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.