Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-07-18
2000-02-22
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
360 9702, 248638, G06F 116
Patent
active
060287667
ABSTRACT:
An enclosure for holding shock sensitive mechanisms (such as disk drives) includes compliance members strategically located on a bottom support member for substantially reducing a shock pulse amplitude component transmitted into wall structures of the enclosure and consequently into the shock sensitive mechanisms. The compliance members are positioned so as to contact a support surface upon which the enclosure is set or rests. In a preferred embodiment, the compliance members are positioned on the bottom support member generally away from and/or generally equidistant from any two nearest wall structures, and generally away from any bottom support member portion that is stiffly coupled to the wall structures. As such, the shock pulse acceleration force amplitude component is reduced significantly prior to being transmitted to the wall structures in the event of a typical tilt drop of the enclosure. Also, preferably, the compliance members are molded into or formed onto the bottom support member as part of the bottom support member to provide shock amplitude attenuation to the enclosure at essentially no additional cost and with no additional parts.
REFERENCES:
patent: 4705257 (1987-11-01), Leo et al.
patent: 4871142 (1989-10-01), DeMay, II
patent: 5004207 (1991-04-01), Ishikawa et al.
patent: 5653070 (1997-08-01), Seguin
patent: 5673171 (1997-09-01), Varghese et al.
patent: 5687059 (1997-11-01), Hoppal
Hewlett--Packard Company
Picard Leo P.
Reed John D.
Simmons Lane R.
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