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US 12,442,218 B2Granted
Door lock with indicator
AssigneeSargent Manufacturing Company
InventorsBrian R. Fournier, Daniel Gills, Thomas Harris, Jeong Sik Kim, Yong Hyun Kim
Life of this patent
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Abstract
Disclosed herein is a door lock configured to indicate the lock status of the door lock to nearby persons. In some instances, the door lock includes a locking mechanism with one or more actuators configured to act directly on an indicator such that the indicator indicates the lock status of the lock.
Claims6
An indicator type door lock comprising:
- a handle shaft having a handle for unlocking and a push button for locking;
- a driving body mounted with the handle shaft;
- a door lock main body having a main body cover with a display portion displaying a locked state of the indicator type door lock to an outside, and installed in front of the driving body;
- an indicator member installed within the door lock main body to be moved to a certain position, and being exposed through the display portion;
- and
- a turning drive member located within the handle shaft and rotated inside the handle shaft when the push button is pressed to move the indicator member;
- wherein the turning drive member comprises:
- a cam portion moving in a straight direction in the handle shaft by the push button and having a cam post formed on its front surface;
- and
- a pin rotator having at least one guide rib guided along the cam post of the cam portion on an inner circumferential surface thereof and a driving pin mounted on an outer circumferential surface thereof to move the indicator member to one side.
7 more elements
Dependencies are inferred from the claim text.