Patent ID: 11859408
Assignee: KINDOO LLP
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. A method for manufacturing an opening device for a door lock, the method comprising:
providing a driver rigidly connected to an inside handle;
providing an inside shaft designed to rotate an internal latching mechanism of the door lock, the inside shaft having a follower and a through cavity;
providing an outside shaft designed to be rotated by an outside handle, the outside shaft including:
a cylindrical part disposed inside the through cavity of the inside shaft;
a polyhedral part designed to be engaged with the outside handle; and
a gear seat located at end of the cylindrical part and outside of the inside shaft;

providing a first gear being permanently engaged in rotation with the inside handle, thereby being permanently engaged rotationally with the driver and configured to be able to slide toward the gear seat;
providing a second gear designed to move along the gear seat and be engageable with the first gear;
providing an engagement mechanism designed to cause the first gear and the second gear to be engaged or disengaged by moving at least one of the first gear or the second gear, wherein when the first gear and the second gear are engaged and the outside shaft is rotated, the second gear causes the driver to engage the follower of the inside shaft, thereby causing the inside shaft to rotate the internal latching mechanism of the door lock; and
providing a rod, wherein:
the outside shaft has a further through cavity; and
the rod is disposed within the further through cavity and designed to push the second gear toward the first gear when a door key is inserted into a lock-and-key mechanism integrated into the outside handle.