Motor-driven wrench
US5355751A · kind A · utility
16Cited by
7References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Feb 26, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/147
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A motor-driven wrench has an open rotatable wrench wheel having a wrench opening and an engaging formation, and a drive for rotary driving the wrench wheel and having at least two engaging portions which engage the engaging formation of the rotary wheel and are spaced from one another by a distance which is greater than a width of the wrench opening, a marking for identifying a position of the wrench opening, and a sensor recognizing the marking and controlling the position of the wrench wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.