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

Claim 10:
11. A door lock, comprising:
a main sliding block, the main sliding block being 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;
an indicating sliding block that is able to move to and fro 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;
an indicating latch that is able to move to and fro on an upper surface of the indicating sliding block, and the indicating latch being able to accordingly move to and fro along a second direction that is orthogonal with respect to the first direction when the indicating sliding block moves to and fro along the first direction; and
a switching apparatus, with the indicating latch being able to close or disconnect the switching apparatus
wherein:
the indicating sliding block is arranged at one side of the main sliding block, and the main sliding block brings the indicating sliding block to move from a closed position to an open position;
the indicating sliding block comprises a stepped part, and the stepped part comprises an upper step and a lower step that are arranged by way of connection;
a bearing surface and a recess are provided on the upper step, the bearing surface is arranged at a distal end of the upper step, the bearing surface is higher than the recess, a distal end of the recess is connected to the bearing surface, and an indicating sliding block restoration part is provided at an outer side face at a proximal end of the recess;
an indicating sliding block release part is provided on an upper surface at a distal end of the lower step, a blocking surface is provided at a proximal end of the lower step, and the blocking surface is used for blocking the movement of the main sliding block when the main sliding block moves from the locked position to the released position; and
an indicating sliding block protrusion locking claw extends out of an outer side face at the distal end of the lower step.