Power tool with detachable drive end
US7083003B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2002 |
| Grant date | Aug 1, 2006 |
| Priority date | — |
| Expiry date | Jul 15, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/3418
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary tool includes a housing structure with a plurality of apertures therein, drive mechanism disposed within the housing structure, a detachable drive end mechanism coupled to the drive mechanism, and a retaining structure received by the apertures. The drive mechanism is coupled to the detachable drive end mechanism by a splined sleeve. The detachable drive end mechanism includes a detachable drive end and a collar which engages the retaining structure. Several embodiments of collars and retaining structure are disclosed. In one embodiment, the retaining structure includes a generally U-shaped flexible and resilient spring clip which is flexed when installed to frictionally hold itself and the drive end and collar in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.