US Patent 10975621 Security gate with closer system

A gate unit includes a gate mount adapted to mate with a frame bordering a passageway. The gate mount includes a gate hinge including a stationary pivot support and a movable pivot that is mated in rotative bearing engagement with the stationary pivot support to establish a gate-pivot axis. A gate is coupled to the movable pivot of the gate hinge for pivotable movement with the movable pivot about the gate-pivot axis between a closed position closing a walkway passage formed in the gate mount to block movement of a person through the walkway passage and an opened position opening the walkway passage to allow movement of a person through the walkway passage.