Abstract: An apparatus to secure a door of a cargo container. The apparatus includes a latching device and a cover can be positioned over at least a portion of the latching device. The latching device is positioned within a housing. At least one pad is positioned between the latch and the housing. The latching device includes a screw for moving the latch between an open position and a closed position and a rotary motor for turning the screw. A pre-compressed spring is coupled to the latch and the screw for exerting a force to Increase friction and prevent back rotation of the screw.

Abstract: A cargo transportation device has a container including a cargo door accessible from the outside for closing the container and being movable from an open position to a closed position. A security system is provided that includes a latching device on the inside of the container, the latching device having a latch, a screw for moving the latch between an open position and a closed position, and a rotary motor for turning the screw. The security system has a latch receiving device, adapted to receive the latch, on the inside of the container. A controller operates a motor to turn a screw in one direction and thereby moves the latch from its unlocked position to its locked position. The controller also can operate the motor to turn the screw in the direction opposite of said one direction thereby moving the latch from its locked position in the latch receiving device to its unlocked position.

Abstract: A security system for roll-down loading doors, having: a substantially narrow profile housing adapted to being connected to a wall of a cargo carrying enclosure; an actuator having a key receptacle including a pivotable arm, for moving a latch structure between a locked position and an unlocked position; the latch structure being generally triangular with a top portion being hingably connected to the housing with a stationary pivot pin and the actuator being coupled by a linkage mechanism, the latch structure is adapted to be connected to a loading door of a cargo carrying enclosure when the latch structure is in the locked position and withdrawn from the door when the latch structure is in the unlocked position; and the linkage mechanism includes a distal section having a port and a proximal section having a second port, the distal section is coupled to a middle portion of the latch structure with a first pivot pin and the proximal section is coupled with the linkage mechanism with a second pivot pin, the li

Abstract: A security system with a driver circuit for energizing a solenoid actuated locking device. The circuit can include a microprocessor, a battery power supply, a boosting circuit and an energy storage circuit. The battery voltage can be stepped up by the boosting circuit and the stepped up voltage can be stored in the energy storage circuit. A solenoid driver circuit including a plurality of transistors arranged in an H-bridge configuration supply energy from the storage circuit to the solenoid under control of the microprocessor. The security system can be retrofited or is factory installable, and is particularly adapted for roll down doors and enclosures.

Abstract: A security system for cargo loading doors, comprising: a substantially narrow profile housing adapted to being connected to an inside of a cargo loading door; an actuator having a key receptacle, for moving a latch structure between a locked position and an unlocked position; the latch structure and the actuator being coupled by a linkage mechanism and plunger assembly, the latch structure is adapted to be at least partially received in a header of at least one of a cargo carrying enclosure, such as an ISO container, domestic container, semi-trailer and the like, when the latch structure is in the locked position and withdrawn from the header when the latch structure is in the unlocked position; and the linkage mechanism includes a distal section and a proximal section connected by a middle pivot pin, the distal section is coupled to the latch structure with an upper pivot pin and the proximal section is coupled with the plunger assembly, the proximal section is also pivotably connected to the housing with a

Abstract: A universal adapter (300) for a security system, having: a back plate (302) having a left portion (304) and a right portion (306); and positioning adapter plates (308,310) extending substantially outwardly from the left and right portions (304,306) of the back plate (302), the positioning adapter plates (308,310) having an adjustment structure, such as a first pair of ports (314) spaced in proximity to the back plate (302) and a second pair of ports (316) spaced away from the back plate (302) , adapted to adjustably receive a lock assembly of a security system in a first position proximate to the back plate and a second position away from the back plate. Also, the adapter can have a clamping structure (350) for holding a locking structure with respect to an inside of a cargo loading door.

Abstract: A retrofitable or factory installable security system (50) for cargo loading doors is disclosed. The system (50) has: a remote transmitter (52) for transmitting a radio signal; a receiver (54) for receiving the radio signal from the remote transmitter (52); an electro-mechanical actuator (56) coupled to the receiver (54) for moving a latching device (66) between a locked position and an unlocked position; and the lock assembly (58) has a housing (64) for holding the electro-mechanical actuator (56), the latching device (66) is pivotably connected to the housing (64), and a linkage mechanism (68) coupling the electro-mechanical actuator (56) and the latching device (66). The latching device (66) can be moved between the locked and unlocked positions.