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US 12,421,759 B2Granted
Door lock assembly with safeguarding against bypassing
AssigneeASSA ABLOY Access and Egress Hardware Group, Inc.
InventorsRick Leites, Eric Palmieri, Sharath Ramachandran, Scott Morstatt, Douglas Clark
Life of this patent
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Abstract
A lock portion of an electronic door lock system includes a first housing and a second housing secured to a backplate of the first housing. The second housing is secured to a first surface of the backplate and only accessible from a second surface of the backplate. One or more wires are secured to the second housing in a service loop and connected to an actuator within the second housing.
Claims10
A lock portion of an electronic door lock system, the lock portion comprising:
- a first housing including a backplate having a first surface and a second surface opposite the first surface, wherein the second surface is configured to be mounted against a door surface;
- a second housing disposed within the first housing and attached to the first surface of the backplate, wherein the second housing is secured to the backplate by one or more fasteners that are only accessible from the second surface of the backplate;
- an actuator disposed in the second housing, the actuator configured to actuate the door lock system between an unlocked state and a locked state;
- and
- one or more power wires contained within the second housing, wherein the one or more power wires are connected to the actuator, wherein the one or more power wires are configured to selectively supply power to the actuator, wherein the one or more power wires are wrapped around a ledge of the lock portion to form a wire loop configured to resist removal of the one or more power wires from the second housing.
2 more elements
Dependencies are inferred from the claim text.