Rotating shaft locking mechanism
US7980325B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 17, 2004 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Feb 21, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9379
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A locking mechanism for a rotary power tool that includes an elongated locking member that is retained by, and is at opposite first and second end portions within, at least one of a motor housing and a gearbox end casting and being slideable between unlocked and locked positions, the locking member first end portion being accessible by a user to move the locking member to the locked position. The locking member also includes a locking portion intermediate the first and second end portions that is configured to engage the non-circular configured portion of a rotatable armature shaft and prevent rotation thereof when the locking member is in its locked position. A biasing element is also included and configured to bias the locking member toward said unlocked position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.