Auxilary handle device for use with conventional handheld screwdrivers
US7069823B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 27, 2004 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Oct 1, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An auxilary handle device for use with conventional handheld screwdrivers for applying additional torque and reducing muscle strain. The device includes a handle portion designed for being grasped by a human hand, and a coupling portion. The coupling portion selectively receives a handle of a conventional screwdriver. The coupling portion is operationally coupled to the handle portion such that rotation of the handle portion in a first direction imparts rotation in the first direction to the coupling portion and to the conventional screwdriver in turn. The coupling portion further comprises a cylindrical perimeter wall forming a cavity portion. The cavity portion slideably receives a portion of the handle of the conventional screwdriver. The coupling portion may further include a retaining means. The retaining means selectively secures the portion of the handle of the conventional screwdriver to the coupling portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.