Calibrateable timed weight grinder
US5462236A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1994 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Mar 24, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G13/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A coffee grinding apparatus which measures a quantity of coffee for grinding as a function of time and which is calibrateable to accurately discharge a selected weight of ground coffee. The grinding apparatus includes at least one storage hopper in gravity feed relationship with a dispenser and a grinding mechanism. The apparatus includes a control circuit coupled to the dispenser for selectively operating the dispenser to dispense a desired quantity of coffee beans into the grinding mechanism. A selection device is coupled to the control circuit to allow a user to select a desired weight of ground coffee to be produced by the grinding apparatus. A calibration assembly is coupled to the control circuit, which calibration assembly includes controls for entering the actual weight of the ground coffee to be discharged and a microprocessor which includes a circuit for calculating a correction factor to calibrate the grinding apparatus to accurately produce the selected weight of ground coffee.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.