Patent ID: 7703817
Filing Date: 2010-04-27
Classification: G09F,Y10T

Abstract:
1. A unitized security seal comprising: a shackle; an engagement housing with a passage for receiving the shackle; at least distal, intermediate and proximal members spaced along the shackle, the members each having at least one undercut extending from the surface of each member to an undercut floor, the undercuts of the distal and intermediate members having an entry and an exit generally along the longitudinal axis of the shackle and the undercut of the proximal member having an entry generally along the longitudinal axis of the shackle; at least one pin located within the engagement housing passage oriented to extend into the undercuts when the distal and intermediate members on the shackle pass through the passage; and the undercut of the intermediate member including a frangible member positioned between its entry and its exit for engaging the pin to resist removal of the shackle from the engagement housing until a sufficient force is applied to shear away the frangible member.