Patent ID: 11898369
Assignee: ILLINOIS TOOL WORKS INC.
Field: Civil engineering (Other fields)
Classification: CPC E  D  A | IPC A  D  E

Claim 13:
14. A door lock, comprising:
a main sliding block configured to move to and fro between a locked position and a released position along a first direction, wherein the main sliding block locks the door lock when at the locked position and releases the door lock when at the released position; and
an indicating sliding block that engages and is supported by a face-to-face surface engagement with and is movable independently with respect to the main sliding block, wherein:
movement of the main sliding block translates into movement of the indicating sliding block;
the indicating sliding block is able to move to and fro between a closed position and an open position along the first direction when the main sliding block moves to and fro between the locked position and the released position along the first direction; and
the closed position and the open position of the indicating sliding block are used for indicating whether the door lock is in a locked state or in a released state.