Ruggedized host module

Details Ruggedized host module Ruggedized host module

2006-03-14

2006-03-14

Datskovskiy, Michael V. (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S727000, C312S332100, C360S097010, C248S634000

Reexamination Certificate

active

07012805

ABSTRACT:
An energy dissipative element (24) protects hard disk drives (22, 72, 92) from shocks and vibrations. A closed elastic envelope (48) houses a body of open cell foam (54), a volume of viscous liquid (56), and a compressible gas (64). Under compression or expansion of the foam (54), viscous liquid (56) flows through cell orifices and thereby dissipates energy resulting from external force applied against the elastic wall (48). The energy dissipative elements (24) are applied between a disk drive housing (22) and an outer case (26) to create a ruggedized portable disk drive module (20).

REFERENCES:
patent: 3695421 (1972-10-01), Wood
patent: 6477042 (2002-11-01), Allgeyer et al.
patent: 6496362 (2002-12-01), Osterhout et al.
patent: 6567265 (2003-05-01), Yamamura et al.
patent: 2002/0097556 (2002-07-01), Lee
patent: 02002286072 (2002-10-01), None

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