Screwdriver with torque measuring scale and method of making same
US6799480B1 · kind B1 · utility
12Cited by
22References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2003 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Feb 24, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/1422
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A screwdriver with a spring and a torque measuring scale and a limit stop, useful in the medical arts. A connector provides attachment to a workpiece tool and to a screw which, when fastened, non-rotatably holds the connector which in turn pilots a handle for the driving rotation of the screwdriver. The handle is short and the spring is a helical spring. A method of assembling the screwdriver is disclosed along with the embodiment disclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.