Patent ID: 6641185
Filing Date: 2003-11-04
Classification: E05C,Y10T

Abstract:
A door locking apparatus for use on a door and an associated door jamb, said door locking apparatus having a custom strike plate and a U-shaped element; said U-shaped element having two arm portions; said door jamb having said strike plate mounted there on; said door having a door knob assembly attached to said door, said door knob assembly having a shank and a door knob on the inside side of said door, said door locking apparatus comprising:a strike plate that can be securely fastened to a door jamb, said strike plate having apertures configured so that screws can be utilized to fasten said strike plate to said door jamb; said strike plate having an aperture so that a bolt of said door knob assembly can be placed therein in order to hold said door in a closed position; said strike plate having an extended section extending outwardly from said door jamb; said extended section of said strike plate having two arm receiving apertures thereon, said two arm receiving apertures configured so that said two arm portions of said U-shaped element can be placed therein; a U-shaped element having a U-shaped section configured to partially encircle said shank portion of said door knob assembly between said door knob and said door; said U-shaped element having two arm portions extending in a generally horizontal direction; said strike plate and said U-shaped element configured so that when said door is closed and said U-shaped element partially encircles said shank of said door knob assembly, and said two arm portions of said U-shaped element are inserted into said two arm receiving apertures of said strike plate, said door locking apparatus is in a locked position, and said door is in a locked condition; said two arm portions of said U-shaped element having notches thereon, said notches configured so that gravitational forces on said arm portions of said U-shaped element will cause said arm portions to catch on said two arm receiving apertures on said strike plate in order to prevent said U-shaped element from inadvertently slipping out of said arm apertures of said strike plate; thereby keeping said door locking apparatus in a locked position, and keeping said door locked.