Indexed worm conveyor
US5929387A · kind A · utility
9Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Jun 16, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G11/003
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mechanism for weighing articles including a continuous thread screw conveyor for moving articles to be weighed across a weigh pan in combination with a motor for first driving the conveyor in an article transport direction through an angle of 360.degree.+.alpha..degree. and then driving the conveyor in a reverse direction through an angle of .alpha..degree. to remove the conveyor from frictional engagement with the article, during each article weighing operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.