OVERLOAD SAFEGUARD

摘要

FIELD: materials handling facilities; cranes and metering devices. SUBSTANCE: overload safeguard has main resilient member 1 consisting of two parts with bases and curved levers 3 and 7. First ends of shutters are rigidly connected to upper base 2 and lower base 6 of main resilient member. Shutters secured on upper base of main resilient member are arranged between radiation source and receiver. Overload safeguard has additional resilient member 9 in form of bellows operating within definite load range. Travel limiters 8 are installed on one part of main resilient member and lock 4 is installed on its other part. EFFECT: enlarged operating capabilities. 1 dwg øøø1