Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1989-12-14
1990-09-18
Thompson, Gregory D.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
220 84, 3122655, 3122652, 361395, 361429, H05K 500
Patent
active
049582593
ABSTRACT:
A multi-purpose housing for electrotechnical equipment including two identical side walls, a top wall and a bottom wall. Component holders and slide rails for flange supports and back wall, door or inspection windows can be attached to the multi-purpose housing. The housing structure, installation of various electrotechnical devices, and attachment of a back wall, door or inspection window is significantly simplified by providing vertically continuous T-grooves on the inner surfaces of the side walls. The T-grooves are spaced at equal intervals. At least a portion of the T-grooves have an open groove base which makes a transition to a continuous screw channel having an approximately round cross section. Offset T-grooves are provided in corner units. Covering strips or connecting strips with tapped holes can be inserted into the T-grooves.
REFERENCES:
patent: 3307894 (1967-03-01), Collier
patent: 3316460 (1967-04-01), Scoville
patent: 4172623 (1979-10-01), Anderson
patent: 4426935 (1984-01-01), Nikoden
patent: 4558797 (1985-12-01), Mitchell
patent: 4689722 (1987-08-01), Debus et al.
Berg Franco
Bovermann Claus-Dieter
Pauley Douglas H.
Rittal--Werk Rudolf Loh GmbH & Co. KG
Speckman Thomas W.
Thompson Gregory D.
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