Patent ID: 6863319
Filing Date: 2005-03-08
Classification: E05C,Y10T

Abstract:
1. A security door lock comprising: a vertically oriented elongated base plate having a front surface, a rear surface, a left side, a right side, a top end and a bottom end; spacer means for spacing said rear surface of said base plate a predetermined distance D1 from a doorway frame to which said base plate would be secured; means for securing said base plate to a doorway frame; a cable having a first end, a second end and an intermediate portion; means for securing said first and second ends of said cable to said base plate; said cable having a predetermined length L1; a vertically oriented cover plate having a front surface, a rear surface, a left side wall, a right side wall, and an aperture formed in said left side wall through which said intermediate portion of said cable can be accessed and pulled outwardly therefrom so it can be looped over a door knob; and means for removably securing said cover plate to said base plate to form a chamber between ad front surface of said base plate and said rear surface of said cover plate.