Weighing apparatus for weighing the contents of a refuse container and method
US5119894A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1991 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Feb 19, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65F2003/022
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A weighing apparatus for determining the weight of a load while the load is in vertical motion, comprising a stationary support, a lifter for lifting and lowering the load thorough a range of vertical motion, and at least three elongate weigh beams secured to the stationary support and the lifter by respective opposite ends thereof and rigidly spacing the lifter horizontally from the stationary support. The weigh beams sense the weight of the load continuously while the load is in motion. A computer is operatively connected to the weigh beams for receiving and processing weight information sensed by the weigh beams and outputting data representative of the weight of the load. A first weight is sensed representing the container and refuse contained in the container. A second weight is sensing after the container has been emptied and subtracted from the first weight to derive a net weight representing the weight of the emptied refuse. The lifter includes a reader for reading data from an identity tag carried by refuse containers to be emptied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.