Drilling alignment tool
US4375341A · kind A · utility
23Cited by
11References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jul 5, 1978 |
| Grant date | Mar 1, 1983 |
| Priority date | — |
| Expiry date | Jul 5, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/5647
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
This is an attachment for electric drills by which accurate alignment for drilling may be achieved without the necessity of complicated preliminary steps. The invention comprises an elongated extension rod mounted in a particularly constructed handle which is slideable with relation to the rod and which handle has an extension through which the drill can be observed, which extension has a particular end configuration making it suitable to drill straight and accurate holes into virtually any configuration of surface and at a distance from the drill without the necessity of complicated measuring, marking and preliminary steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.