Single axle railroad truck with frame improvements
US4813359A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1987 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Sep 24, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railroad single axle truck having a pair of wheels with one wheel at each end of the axle, the truck including a frame having a pair of longitudinal spaced apart parallel horizontal side tubes of substantially equal length, the frame also including a pair of transverse spaced apart parallel horizontal beams of substantially equal length positioned normal to and substantially planar to the longitudinal side tubes, the beams being spaced apart for a distance longer than the length of the tubes with the side tubes positioned between the beams, and the end of each side tube having a joining member telescoped thereto and fixedly joined to the side tube with the member having an outer end fixedly joined to the beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.