E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 11/06 (2006.01) E01F 13/04 (2006.01)
Patent
CA 2667740
A controlled gate system is comprised of a barrier arm which is pivotally connected to a first fixed support. A motion detector is secured to a second fixed support spaced a predetermined distance from the first fixed support and in alignment therewith to create a restricted passageway with the barrier arm normally resting in an obstructing position within the passageway. The barrier arm is arrested at the obstructing position by a solenoid actuated latch which is disengaged by the motion detector. The arc of displacement of the barrier arm is also restricted to permit passage through the passageway in a single direction. Under certain conditions a controller will permit the barrier arm to be disengaged to permit passage in the passageway in opposed directions. The motion detector of the preferred embodiment is constituted by a further barrier arm.
Bolduc Rene
Mercier Yvan
Les Ateliers Bolduc Et Freres Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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