Earthquake-proof plinth to protect an object thereon

Details Earthquake-proof plinth to protect an object thereon Earthquake-proof plinth to protect an object thereon

2011-08-09

2011-08-09

Rodriguez, Pam (Department: 3657)

Spring devices

Resilient shock or vibration absorber

C312S117000, C248S638000

Reexamination Certificate

active

07992847

ABSTRACT:
An earthquake-proof plinth includes a display floor plate that has an aperture configured to fit a middle section of an article seated on the plinth and that has a seat panel passing through the aperture and supported by a shaft extending vertically downward from the seat panel; a vibration sensor; a shaft stopper that stops the seat panel and shaft in a shock-absorbing elastic fashion when the article still on the seat panel falls and eventually has its middle section fitted in the aperture of the floor plate; and a retainer that normally retains the shaft in position to keep the seat panel flush with the display floor plate while it releases the shaft in response to a detection signal from the vibration sensor to let the seat panel and shaft drop.

REFERENCES:
patent: 5165768 (1992-11-01), Zarrabi et al.
patent: 5671984 (1997-09-01), Kodera
patent: 5853235 (1998-12-01), Barnes
patent: 6412890 (2002-07-01), Kaneko et al.
patent: 2009/0212475 (2009-08-01), Tropf
patent: 2746253 (1998-02-01), None
patent: 345 8089 (2003-08-01), None
patent: 2003-259945 (2003-09-01), None
patent: 2007-325895 (2007-12-01), None

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