Power tool with threaded spindle drive
US12257676B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2021 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Nov 13, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B25/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool is provided comprising a drive, an output shaft, a threaded spindle drive and a linear actuator, wherein torque generated by the drive is transmissible via the output shaft, and the threaded spindle drive connected to the output shaft, to the linear actuator. the threaded spindle drive has an inner threaded spindle part with an external thread and an outer threaded spindle part with an internal thread, wherein the internal thread interacts with the external thread via at least one bearing roller, and the at least one bearing roller has at least one radially encircling channel by which the bearing roller engages in each case into the external thread and into the internal thread.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.