Impact tool
US9573262B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2013 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Jun 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.