Locking mechanism for hopper door actuator assembly
US4084515A · kind A · utility
4Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1976 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Sep 16, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D7/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automatic device for locking and unlocking a hopper door operating mechanism which prevents accidental opening of the hopper doors due to car oscillations and provides a protective lock while the car is in transit but which has a novel lock which is releasable by intuitional actuation of the operating mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.