Ratcheting composite screwdriver
US6260445A · kind A · utility
10Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2001 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Jan 22, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An insulating ratcheting screwdriver includes an elongated composite shank formed of electrically insulating material and provided with a bit holder at a working end thereof. The other end of the shank has an axial recess in which is disposed one end of a hexagonal connecting pin, the other end of which is press-fitted in an axial bore in one end of a metal coupler for joining the coupler to the shank. The metal coupler is removably received in a receptacle formed in a ratchet mechanism disposed in one end of an elongated, electrically insulating handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.