Angular anti-return devices associated with turnstiles

Details Angular anti-return devices associated with turnstiles Angular anti-return devices associated with turnstiles

F - Mech Eng,Light,Heat,Weapons

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F16D 41/08 (2006.01) E05C 17/02 (2006.01) E05C 19/00 (2006.01) E06B 11/08 (2006.01) H01H 47/00 (2006.01) F16D 27/16 (1990.01)

Patent

CA 1299415

ABSTRACT IMPROVEMENTS IN OR TO ANGULAR ANTI-RETURN DEVICE ASSOCIATED WITH TURNSTILES The invention relates to a dual-action angular anti-return device for a turnstile, comprising a drum fast to the turnstile, a fixed vee open facing the drum, a roller positioned between the vee and the drum and alternately wedgeable between the two faces of said vee and said drum, a support for the roller displaceable alternately by two electromagnets themselves energizable from a source. A capacitor is charged by the source on each energization of any one of the electromagnets and discharged into the other electromagnet as soon as said energization is interrupted, which then results in the desired unwedging of the roller.

570811

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