Padlockable emergency stop button
US5808252A · kind A · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Mar 6, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An emergency stop button actuated by pushing and unlocked by rotation. A lug 16 provided on the skirt 12 of the head 11 of the button works with a sliding plate 20 which can block the head when it is pulled and put into the interlocked position. The sliding plate has, for this purpose, an abutment face 25 for the lug and a window 24 to allow the lug to pass when it is rotated in order to unlock the emergency stop button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.