Invention Grant
- Patent Title: Door lock indicator
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Application No.: US11754027Application Date: 2007-05-25
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Publication No.: US07866195B2Publication Date: 2011-01-11
- Inventor: Jonathan E. Levine
- Applicant: Jonathan E. Levine
- Agent Theodore W. Baker
- Main IPC: E05B41/00
- IPC: E05B41/00

Abstract:
A door lock indicator device is disclosed. The door lock indicator device can include a rotatable portion, a lock status display, and a switch (e.g., a button). The rotatable portion can define an opening shaped to receive a key blade. The door lock indicator device can be installed on a face of a door lock with the opening aligned with a keyhole of the door lock. Rotating a key blade within a keyway of the door lock can cause the rotatable portion to rotate with the door lock's cylinder. The lock status display can include a first indicator light and a second indicator light. Activating the switch can cause the lock status display to indicate a direction of a most recent rotation of the rotatable portion and/or a locked or unlocked status of the associated door lock.
Public/Granted literature
- US20080289383A1 DOOR LOCK INDICATOR Public/Granted day:2008-11-27
Information query
IPC分类:
E | 固定建筑物 |
E05 | 锁;钥匙;门窗零件;保险箱 |
E05B | 锁;其附件;手铐 |
E05B41/00 | 带有可指示锁是否锁上的锁 |