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Enclosure security device

Image Number 3 for United States Patent #7339473.

A device for securing a gated enclosure includes a latch including a power lock motor and a bolt. The power lock motor is operable to engage the bolt with a catch portion of a pin protruding from the gate when the gate is closed, thereby preventing extraction of the pin from the device. The device includes a switch operated by a key to activate the latch. The device can include an electric horn, a light, a battery, and circuitry powered by the battery, the circuitry operable to send a signal to one or more of the horn and the light.

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