Measured quantity dispenser
US4964546A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | Sep 15, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Measured quantity dispenser for frangible granules, which includes a housing having a lower slide surface with a front discharge opening, and a rear loading aperture above the slide surface for intake of such granules from a hopper. A receptacle movable in the housing between a rearward loading position and a forward discharge position, and contains a forward measuring bin of preselected volume and a rearward upper platform, the bin having an upper entrance registering with the aperture when the receptacle is in rearward position, and a lower exit registering with the opening when the receptacle is in forward position. A resilient leveling mechanism is arranged at the aperture front edge cooperating with the entrance and platform to prevent overlying granules in the aperture from moving forwardly between the mechanism and platform and being sheared or jammed between the aperture front edge and entrance rear edge, during receptacle forward movement with the granules at the exit sliding on the slide surface, and with the platform sliding against overlying granules in the aperture, for discharge of bin loaded granules through the opening when the receptacle reaches the forward positio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.