Fire extinguishing system of the type including container and dr

Details Fire extinguishing system of the type including container and dr Fire extinguishing system of the type including container and dr

1980-05-12

1982-02-02

Goldberg, Howard N.

Fire extinguishers

Special applications

Condition responsive control

169 11, 169 42, 169 57, 222 5, 222 835, 239309, A62C 3712, A62C 3714

Patent

active

043135013

ABSTRACT:
A fire extinguishing system including a vessel having an outlet normally sealed by a frangible seal. A probe is aligned with the seal and is mounted for movement in a path intersecting the seal and spring biases the probe toward the seal in the path. A restraint is provided for normally restraining the probe in the path to prevent breakage of the seal and includes a radially outwardly opening annular groove in the probe, a series of spherical elements disposed such that they partially enter the groove, and a movable cam which abuts the spherical elements oppositely of the groove and which is configured to cam the elements partially into the groove. A releasable latch holds the cam in abutment with the spherical elements and the elements, the cam and the groove are constructed and arranged such that upon release of the latch, the spring will drive the probe to move the spherical elements against the unlatched cam and move the same to a position whereat the spherical elements are out of the groove to fully release the probe for movement toward the seal.

REFERENCES:
patent: 3008479 (1961-11-01), Mancusi, Jr.
patent: 3180524 (1965-04-01), Shepard et al.
patent: 3419083 (1968-12-01), Cholin et al.
patent: 3463235 (1969-08-01), Flajole
patent: 3526339 (1970-09-01), Bernhardt et al.
patent: 3754602 (1973-08-01), Madgars
patent: 3757371 (1973-09-01), Martin

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