Lock-on/lock-off tool switch
US6958455B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 2004 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H13/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A trigger mechanism for a power tool includes a chassis; a trigger mounted to the chassis for movement between ON and OFF positions; an electrical switch mounted to the chassis for activation by movement of the trigger between the ON and OFF positions to close and open an electrical circuit; and a locking mechanism comprising a lock button and a latch, user-depression of the lock button causing deflection of the latch to enable depression of the trigger in the OFF position, the pushbutton retaining the latch deflected in the OFF position of the trigger until further depression of the trigger beyond the ON position releases the pushbutton from the latch to enable release of the trigger for return to the OFF position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.