External-coupled electronic angle measurement apparatus
US8347515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2010 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Sep 3, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/1425
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention proposes an external-coupled electronic angle measurement apparatus including a housing, a display element, an angle detection system and a coupling portion. The housing is movable through the coupling portion to fasten the external-coupled electronic angle measurement apparatus to a desired location of different hand tools to accurately measure turning angles of a screw driven by the hand tool through the angle detection system and display the result on the display element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.