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

Claim 0:
1. A door lock, comprising:
a main sliding block that is able to move to and fro between a locked position and a released position along a first direction, and the main sliding block being able to lock the door lock when at the locked position, and the main sliding block being able to release the door lock when at the released position; and
an indicating sliding block that directly engages the main sliding block and is able to move to and fro with respect to and independently of the main sliding block and 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,
wherein 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.