Cushioning apparatus for a railway car
US10308263B1 · kind B1 · utility
6Cited by
24References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2017 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Dec 15, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G9/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved selective travel cushioning device for a railway car is responsive to both draft and buff loads on the coupler, fitting into a standard cushioning unit pocket with little or no reconfiguration of the sill required, while limiting wear on elastic members in the cushioning unit and exhibiting high energy absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.