Door security apparatus

• US 5,724,705 A
• Filed: 05/09/1996
• Issued: 03/10/1998
• Est. Priority Date: 05/09/1996
• Status: Expired due to Fees

• Current Assignee: David H. Hauser
• Original Assignee: David H. Hauser
• Inventors: Hauser, David H.
• Primary Examiner(s): MAH, CHUCK Y
• Application Number:
  US08/644,033
• Time in Patent Office: 670 Days
• Field of Search: 16/388, 16/389, 16/82, 16/380, 16/382
• US Class Current: 16/388
• CPC Class Codes: E05D 11/0027 arranged on or near the hinge and comprising parts interlocking as the wing closes, e.g. security studs
• CPC Class Codes: E05D 2011/0036 near the hinge
• CPC Class Codes: E05Y 2900/132 Doors

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.

Claims

1. 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.

2. The door security device of claim 1, wherein the pin member elongated body includes a flange separating the exposed portion and the threaded portion, the flange facilitates attachment of the pin member to the hinge side of the door.

3. The door security device of claim 2, wherein the flange includes flats for receipt of a tool to facilitate threading of the pin member into the hinge side of the door.

4. The door security device of claim 1, wherein the exposed portion has a pointed free end.

5. The door security device of claim 1, wherein the cavity includes a flange which has flats for receipt of a tool to facilitate threading the cavity end into the hinge side of the door.