Patent ID: 6966584

Claim:
A tamper evident security seal comprising: a body having a cavity with first and second channels; a first locking device in the first channel and second locking device in the second channel; a shackle having first and second legs, the first leg for insertion into the first channel and the second leg for insertion into the second channel; the first leg having a third locking device for engaging the first locking device in the first channel to lock the first leg in the first channel, the third locking device and first leg together defining a first outer envelope of a first value; and the second leg having a fourth locking device for engaging the second locking device in the second channel, the second leg and fourth locking device defining a second outer envelope having a value larger than that of the first value such that the first leg can pass through an opening smaller than the second leg; the fourth locking device comprising a reversibly bent barb and the third locking device comprises a notch; and the first and second locking devices comprise cantilevered fingers each having a tip portion.