Patent ID: 9535311
Date: 2017-01-03
CPC Classifications: F16M,G03B,G08B

Claim:
1. A monitoring device arrangement comprising: a mounting rail; and at least two fixed monitoring devices; said fixed monitoring devices each being mounted on a respective holder, said holders being arranged on said mounting rail; wherein each said holder comprises a lock device locking said holder in a determined position on said mounting rail; wherein said lock device is releasable to allow sliding repositioning of said holder on said mounting rail; wherein one of said lock device of said holder and said mounting rail comprises a magnet; and wherein another of said lock device of said holder and said mounting rail comprises ferromagnetic material, wherein said holder comprises a retaining member arranged to retain said holder on said mounting rail also when said lock device is released, wherein said retaining member comprises a hook retaining said holder on said mounting rail.