Bolt head and socket for the same
US5174704A · kind A · utility
19Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Aug 23, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/919
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hexagon head bolt having a head with an incline formed on each of the outer faces thereof so as to be inwardly inclined toward a respective corner of each face. Thus the head of the bolt can easily be engaged with the socket of an impact wrench or the like, without damage of the corners of the bolt. In another embodiment, a hexagon socket is provided having an incline formed on each of the outer faces thereof so as to be outwardly inclined toward a respective corner of each face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.