US Patent 7360809 Kick-in resistant door reinforcing assembly

A kick-in resistant door reinforcing assembly consisting of a doorway hook having a laterally outwardly extending doorway engaging face; a jamb hook having a laterally inwardly extending jamb engaging face; and at least a first hook interconnecting flexible band spanning between the doorway and jamb hooks, the hook interconnecting flexible band being adapted for permitting alternate laterally inward and outward movements of the doorway and jamb hooks with respect to each other.