Marking gauge for electronic measurement and display
US8522445B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Apr 7, 2011 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Nov 14, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B3/205
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
One example includes an apparatus to mark a distance from an edge of a work-piece that includes a shaft extending along a longitudinal axis and including a graduations disposed aligned along the longitudinal axis, a marking blade affixed to an end portion of the shaft, substantially transverse to the longitudinal axis of the shaft, a fence assembly coupled to the shaft and movable along the longitudinal axis of the shaft, the fence assembly including a face configured to abut the edge of the work-piece, a graduation sensor coupled to the fence assembly and configured to monitor the graduations to provide a sensor signal associated with a distance between the fence assembly and the marking blade, and a monitoring circuit coupled to the fence assembly in communication with the graduation sensor and configured to receive the sensor signal and to provide a distance signal including information associated with the distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.