Rotating barrier

Movable or removable closures – Plural wings radiate from common pivot; i.e. – revolving – Successive position-type; e.g. – turnstile

Reexamination Certificate

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Reexamination Certificate

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07627984

ABSTRACT:
A rotating barrier for a gateway includes a shaft mounted on a carrier. The shaft has fastened thereto at least one blocking arm which extends across the gateway in the blocking position. The blocking arm includes a sensor which detects a force exerted on the blocking arm in the blocking position and actuates a safety device when a given force is exceeded.

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