Portable drill guide
US4923341A · kind A · utility
Inventor
Key dates
| Filing date | Sep 22, 1989 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Sep 22, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/5653
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed is portable drill guide apparatus for a hand held drill. The apparatus includes a base having an upper surface, a flat bottom surface and an annular opening therethrough, the opening having an axis. A support post extends from the base to one side of the opening and is perpendicular to the base bottom surface, the post having a longitudinally extending bore. A shot extends longitudinally in the side of the post and is parallel to the axis thereof. A drill chuck assembly comprises a bar complementary in cross-sectional shape to the bore and a chuck support. The support extends outwardly from the bar and has a portion adapted to move within the slot. The chuck support further includes a shaft journalled therein, the shaft having an upper end and a lower end with a drill chuck being operatively connected to the lower end over the base opening. An adapter is provided for operative association with a drill chuck of a portable drill and has means for detachable driving connection with the upper end of the chuck support shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.