Electricity: electrical systems and devices – Miscellaneous
Patent
1987-04-07
1988-07-26
Pellinen, A. D.
Electricity: electrical systems and devices
Miscellaneous
174 35R, 174 35GC, 220430, 220467, H05K 900
Patent
active
047604964
ABSTRACT:
A switch cabinet includes a frame support, the front and rear sides of which are sealable by two casing doors mounted on the frame support, or a casing door mounted on the frame support, and a rear wall attached in a detachable manner on the frame support. HF-shielding of the switch cabinet is achieved when a box-shaped and HF-tight assembly having two side walls, one top wall, and one base wall, is mounted in and connected to the frame support.
REFERENCES:
patent: 2704301 (1955-03-01), Feketics
patent: 3925710 (1975-12-01), Ebert
patent: 3994490 (1971-07-01), Mitchell et al.
patent: 4631641 (1986-12-01), Brombal et al.
patent: 4643319 (1987-02-01), Debus et al.
Lockhart, "Fingerstock Expander" IBM Technical Disclosure Bulletin, vol. 12, No. 3, 8/69, p. 413.
Pellinen A. D.
Rittal--Werk Rudolf Loh GmbH & Co. KG
Speckman Ann W.
Speckman Thomas W.
Thompson Gregory D.
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