Back to results
US 5,724,705 AGranted
Door security apparatus
OwnerDavid H. Hauserinventor
Life of this patent
Estimating the term…
Abstract
A door security device for use in securing a door against unauthorized entry. The device includes a protrusion which can be mounted to the hinge side of a door or to the hinge side of a door frame and can be received within a recess in the opposite door or door frame. The protrusion in received by the recess to prevent the door from being removed by removal of a hinge pin.
Claims5
A door security device for use in securing a door against unauthorized entry, the door having a hinge edge having hinges for interconnecting the door to a doorway hinge side, the security device comprising:
- a pin having an elongated body with an exposed portion and a threaded portion, said threaded portion being adapted to be threaded into the hinge edge or hinge side;
- a cavity adapted to be formed in the other of the hinge edge or hinge side for receipt of the exposed portions, the cavity is defined by an elongated body having a partially threaded exterior and an interior which is open to receipt of the exposed portion;
- the exposed portion being adapted to be received within the cavity once the door is closed to prevent opening of the door by removal of the hinge pins.
Dependencies are inferred from the claim text.