FIELD: machine building.
SUBSTANCE: disclosed is cam assembly for use in quick-acting safety shutoff valve. Assembly contains cam, having elongated first arm and made with possibility to pivot about rotational axis, located adjacent to first arm first end and operating for torsion spring, having two fixed external arms and two rotary internal arms. Said two inner arms are connected to cam first arm part.
EFFECT: two inner arms are made with possibility to act on cam first arm to displace said cam in again locked position, whereby enabled possibility of repeated cam locking during valve restart.
20 cl, 10 dwg
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