Safety switch including main button and sub button arrangements
US11062861B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Mar 14, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/024
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Safety switch for a gardening device driven by a motor. The safety switch includes a main button arrangement and a sub button arrangement which is provided onto the main button arrangement. The main button arrangement may pivot between a first position and a second position. In the first position the sub button arrangement may be provided in an arrest position and in the second position the sub button arrangement is arranged in an energize position. Further, the sub button arrangement includes biasing means by means of which biasing means the sub button arrangement is biased towards the arrest position in the first position, and by application of an external force the sub button arrangement may be moved towards a biasing force exerted by the biasing means and be slid to the energize position where the main button arrangement may activate the power means in the second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.