Patent · US Active

Impact tool

US9573262B2 · kind B2 · utility

1Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 2013
Grant dateFeb 21, 2017
Priority date
Expiry dateJun 4, 2035

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D2250/245
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hammer drill serving as an impact tool is provided with a crank housing that accommodates a crankshaft, and a cylinder accommodated in the crank housing. Receiving portions that receive the cylinder which is pressed rearward are provided at multiple locations of the crank housing in the front-rear direction. At least one of the receiving portions is disposed to receive the rear-end portion of the cylinder. A portion of the cylinder, which is received by another one of the receiving portions is a circlip (circumferential member) made of a metal.

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