Fixing device for printed circuit boards

Details Fixing device for printed circuit boards Fixing device for printed circuit boards

2006-04-18

2006-04-18

Tugbang, A. Dexter (Department: 3729)

Metal working

Means to assemble or disassemble

Means to assemble electrical device

C029S757000, C029S832000, C174S050510, C361S753000, C361S801000, C411S339000

Reexamination Certificate

active

07028389

ABSTRACT:
A fixing device for a printed circuit board (PCB) is comprised of a shaft, an elastic washer and a fixing pillar for fixing the PCB on a shell. This device has the functions of fixing, vibration buffer, and preventing electromagnetic interference (EMI). According to the invention, the shaft penetrates through the PCB and the elastic washer and connects to the fixing pillar on a shell, thereby fixing the PCB onto the shell. The elastic washer is elastic such that it can absorb external vibrations and reduce damages to the PCB. By putting the elastic washer into contact with the PCB, the electromagnetic wave is guided to the shell, thus avoiding the EMI.

REFERENCES:
patent: 5381598 (1995-01-01), Adachi et al.
patent: 5519169 (1996-05-01), Garrett et al.
patent: 5620290 (1997-04-01), Homfeldt et al.
patent: 6424538 (2002-07-01), Paquin
patent: 6535394 (2003-03-01), Hirzmann
patent: 6695629 (2004-02-01), Mayer
patent: 6741477 (2004-05-01), Sivertsen
patent: 6781055 (2004-08-01), Chen

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