Toothed ring connecting structure of a power tool
US7306050B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2006 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jul 14, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F3/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A toothed ring connecting structure of a power tool, including: a main body having a first opening and a second opening; a motor accommodated in the main body and having an output shaft extending from a first end of the motor; a fixing cap having a body section, a first end of the body section being fixed with the first end of the motor, the body section being formed with a shaft hole through which the output shaft of the motor is coaxially fitted, a second end of the body section being formed with a fixing thread hole, the fixing thread hole inward axially extending from the second end of the body section to coaxially communicate with the shaft hole; a toothed ring having a first end extending into the first opening of the main body and a second end extending out from the main body, the first end being formed with a first thread for screwing into the fixing thread hole, the second end being formed with a second thread; an operating end piece having a connecting end; and an adjustment threaded bush, one end of the adjustment threaded bush being coaxially screwed with the second thread of the toothed ring, the other end of the adjustment threaded bush being connected with the connec…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.