Patent ID: 7938459

Claim:
A seal lock, comprising: (a) a bolt comprising, (i) a shaft having a proximal portion and a distal portion, and (ii) a head located at the proximal portion of the shaft, the head being wider than the distal portion of the shaft; (b) a locking body having a passageway with an open end for receiving and retaining the distal portion of the shaft of the bolt in locking engagement after the shaft has been inserted a predetermined extent into the open end of the passageway, at which point the shaft cannot be withdrawn from the open end of the passageway; and (c) a housing connected to the locking body such that the housing and locking body are rotatable relative to each other, the housing configured to be removably mounted to a door of a shipping container, whereby the locking body does not freely swing on the distal portion of the shaft of the bolt during movement of the shipping container; (d) wherein the housing contains electronics therein, the electronics including, (i) memory for storing data, (ii) a wireless communication component configured to wirelessly communicate data, and (iii) a power source for powering the wireless communication component; and (e) wherein the housing and locking body are rotatable relative to each other about a first axis, and wherein the passageway of the locking body extends along a second axis that is parallel to the first axis.