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US 9,127,478 B2Granted
Door entry system
AssigneeConsumer 2.0, Inc.
InventorsMerrick Schmidt-Lackner, Clark Zhe Li
Life of this patent
Estimating the term…
Abstract
A door entry device comprising includes a case, a key holder and a key pad. The case covers a door-locking device on a door. The key holder has a slot into which a key end fits. The knob is mounted on the case. A currently active security code can be entered into the keypad. When the currently active security code has been entered into the keypad, turning the knob results in turning the key holder to unlock the door-locking device.
Claims15
A door entry system comprising:
- a case that covers a door-locking device on a door;
- a key holder with a slot into which a key end fits;
- a knob mounted on the case;
- a keypad into which can be entered a currently active security code, the security code requiring a plurality of selections on the keypad;
- and,
- wherein when the security code is entered, the key holder is actively engaged with the knob so that a user can unlock the door by turning the knob, and wherein when the key holder and the knob are disengaged, a user cannot unlock the door by turning the knob but can lock the door by turning the knob;
- and,
- wherein the case is held over the door-locking device by a two part lock ring that is anchored to the door by the door-locking device.
5 more elements
A door entry system comprising:
- a case that covers a door-locking device on a door;
- a key holder with a slot into which a key end fits;
- a knob mounted on the case;
- a keypad into which can be entered a currently active security code, the security code requiring a plurality of selections on the keypad;
- and,
- wherein when the security code is entered, the key holder is actively engaged with the knob so that a user can unlock the door by turning the knob, and wherein when the key holder and the knob are disengaged, a user cannot unlock the door by turning the knob but can lock the door by turning the knob;
- and,
- wherein the key holder includes telescoping portions that allow the key holder to adjust to a height of the door-locking device.
5 more elements
A door entry device comprising:
- a case that covers a door-locking device on a door;
- a key holder with a slot into which a key end fits;
- a knob mounted on the case;
- a keypad mounted on the case, wherein a currently active security code can be entered into the keypad, the currently active security code requiring a plurality of selections on the keypad;
- and,
- a lock ring that is anchored to the door by the door-locking device;
- wherein when the currently active security code has been entered into the keypad, the knob engages the key holder so that turning the knob results in turning the key holder to unlock the door-locking device;
- and,
- wherein when the currently active security code has not been entered into the keypad, the knob can be turned to lock the door-locking device, but turning the knob will not result in unlocking the door-locking device.
6 more elements
A door entry device comprising:
- a case that covers a door-locking device on a door;
- a key holder with a slot into which a key end fits;
- a knob mounted on the case;
- and,
- an input device that can be used to enter a currently active security code;
- wherein when the currently active security code has been entered into the keypad, turning the knob results in turning the key holder to unlock the door-locking device;
- and,
- wherein when the currently active security code has not been entered into the keypad, the knob can be turned to lock the door-locking device.
5 more elements
Dependencies are inferred from the claim text.