Cushioning system for pneumatic cylinder of differential engine
US8528459B2 · kind B2 · utility
1Cited by
34References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Sep 4, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cushioning system for a pneumatic cylinder powered differential engine door opening and closing device for use in passenger transportation vehicles wherein the cushioning initiation point can be adjusted. This cushioning initiation point is adjusted through the use of a linearly adjustable slider member within the large cylinder. The slider is linearly adjustable through the use of an adjustment screw located outside of the pneumatic cylinder and allows one to adjust the time and the mode of the opening/closing of power doors, without disassembly of the cylinder, and significantly improve the safety of the passenger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.