Safety release pin for fire extinguishers

Details Safety release pin for fire extinguishers Safety release pin for fire extinguishers

1986-01-17

1987-04-21

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Readily interlocking, two-part fastener requiring either...

Including additional fastener structure linking parts

24298, 292320, 292307R, B65D 3334, F16B 1900

Patent

active

046584811

ABSTRACT:
A safety release pin for locking the operating mechanism of a fire extinguisher includes a shank having a longitudinal slot near one end defining parallel side walls, each formed with a vertical groove, which attach a nose portion to the end of the shank. An elongated locking member pivotally mounted to the shank overlying the slot defines a cam surface which coacts with surfaces of the operating mechanism as the pin is inserted to pivot the locking member into the slot to facilitate insertion, the locking member springs back to its locking position. When the pin is withdrawn, a detent surface of the locking member coacts with surfaces of the operating mechanism to deflect the nose portion downwardly tearing the side walls apart along the grooves, severing the nose portion from the shank.

REFERENCES:
patent: 1964013 (1934-06-01), Wenk
patent: 3367701 (1968-02-01), Wenk, Jr.
patent: 3402435 (1968-09-01), Merser
patent: 3600027 (1971-08-01), Noland
patent: 3666016 (1972-05-01), Estes
patent: 3702637 (1972-11-01), Bower
patent: 3814298 (1974-06-01), Hansen
patent: 3944269 (1976-03-01), Lundberg
patent: 4248462 (1981-02-01), Choi
patent: 4299417 (1981-11-01), McClure
patent: 4523443 (1985-06-01), Momemers

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