Mine with alarm and triggering sensors
US4712479A · kind A · utility
18Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1986 |
| Grant date | Dec 15, 1987 |
| Priority date | — |
| Expiry date | Oct 21, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42C11/007
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mine including a seismic or vibration-responsive alarm sensor for a triggering sensor adapted to initiate a detonating signal. The mine is equipped with a reversible electrically-actuatable securing arrangement for the emission of the triggering or detonating signal, which can be reset through the intermediary of the alarm sensor from its armed position into the secured condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.