Screening arrangement for openings in walls of HF sealed housings - has contact spring for each opening with inwardly protruding spring tongues, metal flange bush, and plastic cap

摘要

The walls of the housing opening (2) are electrically connected to an essentially circular contact spring (11) outside the housing and with inwardly protruding spring tongues (12). The contact spring is arranged inside a metal flange bush so as to be in electrical contact with it. The lower edge of the flange bush is in electrical contact with the opening walls and the housing wall. The contact spring has a lower sprung ring (13) which engages the opening walls from inside. A plastic cap (14) open at the top can be slid over the contact spring. USE/ADVANTAGE - For measurement and indication openings in HF-sealed housings for communications equipment. Operating elements of the equipment can be accessed from outside the housing without degrading the noise immunity of the equipment.