Drill or chisel hammer
US7070008B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2002 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Aug 4, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2211/061
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention is based on a power tool having a beater mechanism (14) and a coupling device (12, 100), which can be engaged and disengaged in order to make and break a drive connection (16, 102) of the beater mechanism (14).It is proposed that the coupling device (12, 100) has a synchronizing device (18, 112), with a detent mechanism (20, 110) which transmits a drive moment and which in a synchronizing operation has at least two corresponding detent elements (22, 24, 108), at least one of the detent elements (22) being movable about its detent position upon an overlooking moment, counter to the spring force of a spring element (26, 116).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.