主权项 |
1. A barrel lock comprising:
a longitudinal axis, a head portion having a radial extent, a shank portion having a radial extent smaller than the radial extent of the head portion, a movable retaining member,
the retaining member being radially extensible and retractable relative to the longitudinal axis, an electrically controlled actuator,
he actuator having an opened position and a locked positionthe actuator maintaining at least partial radial extension of the retaining member when in the locked position and allowing radial retraction of the retaining member when in the opened position, a control circuit in electrical communication with the actuator,
the control circuit capable of receiving a signal from a key and of providing an electrical signal to the actuator when the proper signal is received by the control circuit from a key, wherein the head portion comprises the control circuit. |