Method of preventing twisted-off bolt head while tightening a bolt
US5083358A · kind A · utility
9Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1988 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Apr 28, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49963
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
To prevent the head of small sized bolts from being twisted off by a rotary electrically powered impact tool, a structure is provided between the outlet drive of the impact tool and the head of the bolt to minimize the torque transmitted between the impact tool and the bolt head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.