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US 2021/0230903 A1Published application
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.
Claims27
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 at least one display portion displaying the locked state of the door lock to the outside, and installed in front of the driving body;
- an indicator member installed within the door lock main body to be pivoted to a certain radius, 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 pivot the indicator member.
3 more elements
A cylindrical door lock comprising:
- a chassis;
- a locking mechanism coupled to the chassis;
- and
- a movable indicator operatively coupled to the locking mechanism, wherein the locking mechanism comprises an actuator configured to act directly on the indicator to drive the indicator from a first position to a second position when the locking mechanism is transitioned from an unlocked state to a locked state.
1 more element
A cylindrical door lock comprising:
- a chassis;
- a locking mechanism comprising a tooth;
- and
- a first movable indicator configured to be acted directly on by the tooth, wherein the locking mechanism is configured to selectively transition between an unlocked state and a locked state, and wherein the tooth is configured to drive the first indicator from a first position to a second position as the locking mechanism transitions from the unlocked state to the locked state.
1 more element
Dependencies are inferred from the claim text.