Compartment and bottom door thereof
US10352083B2 · kind B2 · utility
0Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2015 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Feb 15, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/53
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bottom door of a carriage includes a telescoping cylinder and at least two sets of door bodies, each set of the door body is provided with one set of driving mechanisms, each of the driving mechanisms includes a rotating shaft and a driving rod, and the rotating shaft is connected with the respective door body by the driving rod, to allow the door body to be driven to rotate when the rotating shaft rotates; each of the rotating shaft is driven to rotate by the telescoping cylinder, and at least two of the rotating shafts are configured to be driven to rotate successively by the telescoping cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.