Screwdriver assembly and method with torque measuring scale
US7055415B1 · kind B1 · utility
4Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2003 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Jun 2, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/142
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A screwdriver having a handle and a scale for measuring torque transmitted to a screw and having a beam-type spring for transmitting the screwing torque. The handle and spring have a lost-motion connection therebetween, and there is limit stop in that connection. The handle is sealed against the entry of debris. The method of making the screwdriver is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.