Detector coupling mechanism
US4286159A · kind A · utility
11Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Apr 10, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7005
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A fire detector comprising a socket and a detector head with an electric circuit therein. The socket is provided with couplings for voluntarily defining the structure of an engaging portion thereof to designate a detector head to be coupled and each engaging portion of the detector heads have a specific structure to engage with the engaging portion defined by the couplings. Hence, no detector head other than the designated detector head can be coupled to the socket plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.