Notched tie plate insulator
US8042747B2 · kind B2 · utility
3Cited by
29References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | May 30, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B9/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A notched tie plate insulator adapted to be received within a recessed area of a tie plate of a railroad rail system. The insulator includes a bottom plate having a first side and a second side and a pair of side plates attached to the bottom plate. Each side of the bottom plate defines a notch therein. The side plate includes a longitudinal extending body having an upper surface and a lower surface and defining a recess on the upper surface and a protrusion on the lower surface, wherein the protrusion of each of the side plates is received within the notches of the bottom plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.