High-torque impact wrench
US11986930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2021 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Dec 10, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B21/026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A high-torque impact wrench is disclosed. The impact wrench comprises a case. The case comprises an engine body and a handhold. A base is provided on the bottom of the handhold. A battery pack is provided inside the base. The rear end of the engine body is configured with a motor, and the front end of the engine body is configured with an output shaft. The front end of the output shaft extends out of the engine body. A spindle is configured between the motor and the output shaft. The rear end of the spindle is provided with a spindle seat. The spindle is sheathed by an impact block. The spindle outer wall is configured with a steel ball track. Inside the steel ball track, there are steel balls matching the impact block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.