Shock actuated responsive mechanism for vertical and...

Details Shock actuated responsive mechanism for vertical and... Shock actuated responsive mechanism for vertical and...

2011-04-05

2011-04-05

Lee, Kevin L (Department: 3753)

Fluid handling

Control by change of position or inertia of system

C137S556000

Reexamination Certificate

active

07918239

ABSTRACT:
A horizontal and vertical shock responsive fluid valve assembly which are capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The assemblies are comprised of a respective horizontal and vertical shock and vibration force triggering mechanism working in a similar fashion. The mechanism has a respective cradle comprising a generally concave transverse surface that holds a movable ball and when it is energized by the forces can rotate 360 degrees in any direction and rolls out of the surface such that the ball ricochets off a housing cover covering the cradle and activates the mechanism only when the external forces reach a predetermined magnitude.

REFERENCES:
patent: 406290 (1889-07-01), Murdock
patent: 4185507 (1980-01-01), Domyan
patent: 4603591 (1986-08-01), Sibley et al.
patent: 4915122 (1990-04-01), Ikegaya et al.
patent: 5449015 (1995-09-01), Petkovic
patent: 6926025 (2005-08-01), Sibley et al.

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