Earthquake-resistant electronic equipment frame

Details Earthquake-resistant electronic equipment frame Earthquake-resistant electronic equipment frame

1988-03-08

1990-02-13

Britts, Ramon S.

Supports: racks

Special article

Platelike

211 26, 211 72, A47G 1908

Patent

active

048998923

ABSTRACT:
An electronic equipment frame comprises a base, two vertical elongate side members bolted to the base and extending upwardly therefrom for supporting electronic equipment shelves therebetween, and a top member welded to and extending between upper ends of the side members. Each side member has a relatively wide front lipped flange, providing shelf mounting holes and slots through which cables may pass, and a relatively narrow rear lipped flange, with a central portion extending therebetween. The central portion has an upstanding inverted-V portion positioned between the flanges, which define a cable duct therebetween. The frame has relatively high natural frequencies, whereby it is able to withstand earthquakes.

REFERENCES:
patent: 3487948 (1970-01-01), Haidegger
patent: 4074811 (1978-02-01), Filak
patent: 4153164 (1979-05-01), Hofmeister et al.
patent: 4447856 (1984-05-01), Takahashi et al.
patent: 4464074 (1984-08-01), Green et al.
patent: 4496057 (1985-01-01), Zenitani et al.
patent: 4497411 (1985-02-01), DeBortoli
patent: 4531640 (1985-07-01), Shah

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