Apparatus and process for tightening a screw connection
US6234028A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1997 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The apparatus for tightening or installing a screw connection includes a screwdriver device (20) having a drive motor (20a) and a screwdriver spindle (20b); a control device (30) for controlling a torque, rotation speed, rotation angle, rotation direction, advance and/or tightening time of the screwdriver spindle (20b) and an operating device (40) including an input and/or output device (40a) for selecting a predetermined tightening or screwing process program which is assembled in a modular manner from individual tightening or screwing process program steps and which is used by the control device (30) to control the screwdriver device. The input and/or output device (40a) includes a device for providing an input display (40b) having a multi-dimensional, advantageously two-dimensional, field (40c) with a plurality of predetermined distinct field locations (40d) and a device for associating the respective field locations with predetermined tightening or screwing process program steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.