Patent · US Active

Impact tool

US10213912B2 · kind B2 · utility

6Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2014
Grant dateFeb 26, 2019
Priority date
Expiry dateApr 1, 2037

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D11/04
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An impact driver includes a motor, a spindle rotated by the motor, a hammer that is movable forward and rearward with respect to the spindle and that has an inner peripheral portion facing the spindle, and an anvil struck in a rotational direction by the hammer. A grease supply path is provided to supply grease to the inner peripheral portion of the hammer.

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