Self dumping hopper with container locking mechanism
US5951230A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Apr 9, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/19
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A self dumping hopper includes a base; a container having a pair of runners sized and configured to enable the container to rock upon the base, along a path and between a non-dumping rest position and a rearwardly angled dumping position; a guide assembly connected to either the base or the container, the guide assembly defining at least one guide path opening and being for engaging with a guide pin to restrain the container to rock within a desired path; at least one guide pin connected to the other of the base and the container and positioned to extend into and follow the at least one guide path opening; and, a latch mechanism connected to the base and container for releasable holding the container in the rest position, the latch mechanism having latched and unlatched positions and having a biasing assembly for urging the latch mechanism to the unlatched position when in the unlatched position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.