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US 12,559,968 B2Granted
Door lock assembly with self adjusting spindles
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 door lock system that adjusts to doors of different thicknesses. The door lock system may include self-adjusting spindles that engage and center a lock body in a door. The spindles may exert equal and opposing forces that center the lock body within the door and align the lock body with a latch.
Claims20
A door lock system comprising:
- a handle;
- a first lock portion comprising a first spindle and a rail fixedly attached to and extending from the first lock portion;
- and a second lock portion comprising a second spindle, the first spindle and the second spindle extending along a lock axis;
- a lock body comprising a channel offset from the lock axis, the channel sized to receive the rail;
- wherein,
- the first spindle is configured to engage a first side of the lock body to bias the lock body in a first direction along the lock axis;
- and
- the second spindle is configured to engage a second side of the lock body opposite the first side of the lock body to bias the lock body in a second direction along the lock axis, wherein the first direction is opposite the second direction, and wherein the first spindle and the second spindle exert equal and opposite forces opposing forces on the lock body to move the lock body to a position between the first lock portion and second lock portion;
- wherein the rail is offset from the lock axis, and
- wherein the rail is disposed in the channel whenever the first spindle engages the first side of the lock body, wherein the lock body slides along and relative to the rail as the lock body is moved to the position between the first lock portion and the second lock portion.
7 more elements
A method for installing a lock body in a door;
- the method comprising:
- engaging a first spindle of a first lock portion on a first side of a lock body along a lock axis, wherein the first spindle biases the lock body in a first direction along the lock axis;
- engaging a rail fixedly attached to and extending from the first lock portion with a channel in the lock body;
- engaging a second spindle of a second lock portion on a second side of a lock body along the lock axis, wherein the second spindle biases the lock body in a second direction opposite the first direction, and wherein the first spindle and the second spindle exert equal and opposing forces on the lock body to approximately center the lock body along a central plane of a door;
- and
- wherein the lock body slides along and relative to the rail when the lock body is approximately centered.
3 more elements
Dependencies are inferred from the claim text.