Bulk hopper tank lid opener assembly
US5586678A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1994 |
| Grant date | Dec 24, 1996 |
| Priority date | — |
| Expiry date | Nov 4, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D90/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bulk hopper tank assembly which has a bulk hopper tank containing an opening at the top end thereof wherein a lid assembly selectively covers the opening. The lid assembly includes a lid, a generally vertical arm extending along the exterior side of the bulk hopper tank, and a generally horizontal arm connecting the lid and the vertical arm. A lifter connects to the vertical arm and is moveable between a down position in which the lid covers the opening in the bulk hopper tank and an up position in which the lid is vertically above the opening in the bulk hopper tank. A handle connects to the vertical arm and is moveable to a plurality of positions between a first position in which the lid is in the vertical volume of the opening and a second position in which the lid is outside of the vertical volume of the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.