Device for increasing the torque applied to a hand tool
US4007651A · kind A · utility
7Cited by
5References
8Claims
0Family size
Inventor
Key dates
| Filing date | Oct 1, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Oct 1, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25G1/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A generally disc shaped tool shaft holder with an opening at its center adapted to accept a tool shaft, and a plurality of openings about its periphery, each of which is designed to accept a lever arm. The holder is divided into an inner and an outer section which may be detached from one another. The outer section may be used with a number of different inner sections, each of which is adapted for use with a particular tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.