| 发明名称 | Impact tool | ||
| 摘要 | 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. | ||
| 申请公布号 | US9573262(B2) | 申请公布日期 | 2017.02.21 |
| 申请号 | US201314055370 | 申请日期 | 2013.10.16 |
| 申请人 | MAKITA CORPORATION | 发明人 | Takeuchi Hajime;Furusawa Masanori;Tada Yoshiro |
| 分类号 | B25D7/00;B25D17/00;B25D16/00;B25D17/06 | 主分类号 | B25D7/00 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. An impact tool comprising: a crank housing that accommodates a crank; and a cylinder accommodated in the crank housing, wherein: receiving portions that receive the cylinder which is pressed rearward are provided at multiple locations of the crank housing in a front-rear direction,at least one portion, among portions of the cylinder which are received by the receiving portions, is a circlip made of a metal, andthe circlip physically contacts both an outer surface of the cylinder and an inner surface of the crank housing. | ||
| 地址 | Anjo-Shi JP | ||