Patent · US Active

Power tool

US9731410B2 · kind B2 · utility

995Cited by
6References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2011
Grant dateAug 15, 2017
Priority date
Expiry dateAug 5, 2034

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25B21/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

To provide a hand-held power tool which is equipped with a motor and can be used in a normal driving mode for a tip end tool and also in driving modes other than the normal driving mode. A power tool in which a tip end tool is driven by a motor to thereby perform a predetermined machining process on a workpiece, wherein the motor is a dual rotor motor comprising: an inner rotor; an outer rotor; and a stator including a driving coil mechanism, with the inner rotor and the outer rotor being coaxially disposed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.