Portable security device for doors
OwnerJerry N. Selnessinventor
Life of this patent
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Abstract
A portable door locking device. In one embodiment, a door lock may include a base plate configured with a locking wedge and a driver wedge. The base plate may be formed in a U-shaped fashion, thus defining a cut-out region sized to receive the locking and driver wedges. Typically, the locking wedge is pivotally attached to the base plate, permitting rotational movement of the locking wedge about a pivoting axis. In some implementations, the locking wedge comprises a sloped bottom surface that slideably cooperates with a sloped top surface of the driving wedge. In use, the driver wedge may be driven in linear fashion underneath the locking wedge, causing the locking wedge to engage an adjacent door. With the door lock deployed in this manner, the door cannot be readily opened from the outside.
Claims15
A security device for a door wherein when the door is in a closed position there is a gap between the door edge and the door frame, the device comprising:
- a base plate;
- a first locking member connected to said base plate;
- a second locking member shaped and configured to selectively engage said first locking member to selectively cooperatively create a locking configuration and a released configuration of said device;
- and
- means for moving one of said first and second locking members with respect to the other to selectively achieve the locking configuration and the released configuration of said device;
- said first and second locking members being shaped and configured to be positioned in the gap when in the released configuration and to forcefully engage the door edge and the door frame when in the locking configuration.
A device for securing a door in a closed position, wherein the door when in the closed position has a gap between the door and the frame, the device comprising,
- a base plate formed in a U-shaped configuration, said U-shaped configuration defining a cut-out region in the base plate;
- a locking wedge having a sloped bottom surface;
- a driver wedge having a sloped top surface that slidably cooperates with the sloped bottom surface of the locking wedge;
- and
- means for driving the driving wedge in linear fashion underneath the locking wedge;
- said cut-out region is sized to receive the locking and driver wedges and wherein the locking wedge is pivotally attached to the base plate, thereby permitting rotational movement of the locking wedge about a pivoting axis, and the linear movement of the driving wedge with respect to the locking wedge causes the locking wedge to secure the door in a closed position.
A security device for a door wherein when the door is in a closed position there is a gap between the door edge and the door frame, the device comprising:
- a base plate comprising a base member having spaced parallel legs extending therefrom;
- a drive shaft guide on said base member;
- a locking wedge member pivotably connected to said base plate between said legs;
- a translatable driver wedge member shaped and configured to pivot said locking wedge member when moved toward and away from said locking wedge member;
- a drive shaft extending through and being linearly movable with respect said drive shaft guide;
- and
- a block on said driver wedge member for receiving the distal end of said drive shaft, linear motion of said drive shaft causing movement of said driver wedge member with respect to said locking wedge member to selectively move said locking wedge between the locking configuration for forcefully engaging the door edge and the door frame, and the released configuration for enabling the device to be selectively inserted into and removed from the gap.
A method for securing a door to its frame when the door is closed and a gap exists between the door edge and the door frame, the method comprising:
- placing a locking device in the gap, the locking device having a portion in the gap and a portion extending outwardly from the gap;
- and
- expanding that portion of the locking device that is in the gap to forcefully wedge the door in the frame.
Dependencies are inferred from the claim text.