Patent ID: 7640891

Claim:
A gate for use in animal traffic, the gate comprising; a gateway for passage of an animal; a first door mounted to pivot about a generally vertical axis from a closed position in which passage of the animal through the gateway is inhibited to an open position in which passage is allowed, a second door mounted to pivot about a second generally vertical axis in bat-wing relation to the first door and whereby the second door is taller than the first door, with a lower side of the second door extending below the lower side of the first door; an opening formed between the gateway and the first and second doors in their closed position, the opening being sized to allow insertion of at least part of the head of the animal; an animal recognition reading device located adjacent to the opening and having a detection range substantially equal to the size of the opening and being responsive to detection of an identification device carried by the animal to emit a signal only when the head of the animal is within the detection range; and; an automatic actuator arranged to move at least the first or second door to its open position in response to the signal from the reading device.