Apparatus for zone monitoring
US6966425B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2004 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | May 20, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H13/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for detecting the presence of a workpiece carrier in a predetermined track portion of a workpiece carrier transporting path has a housing, a slider which is displaceably guided in the housing and is displaced by the workpiece carrier, at least one proximity switch which is releasable by the slider, two turning elements provided with teeth and arranged on the housing, each of the turning elements being supported turnably around an axis provided on the housing, the turning elements being in tooth engagement with one another, the turning elements being also in tooth engagement with linear tooth sets provided on opposite sides of the slider and extending in a linear displacement direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.