Bit holder with impact release mechanism
US4619567A · kind A · utility
6Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 11, 1984 |
| Grant date | Oct 28, 1986 |
| Priority date | — |
| Expiry date | May 11, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/30952
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A bit holder for automatic printed circuit board drilling machines, the bit holder incorporating a snap ring as a retaining mechanism that releases under abnormally high impact conditions to prevent damage to the bit holder parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.