WEBBING TAKE-UP DEVICE

A webbing take-up device is provided with a spool on which a webbing to be applied to a vehicle occupant is taken up, due to the spool rotating in a take-up direction. The webbing take-up device is also provided with a lock base and a connecting member that are integrally rotatable with the spool. The lock base and connecting member are provided with a lock base-side flange portion and a connecting member-side flange portion, which are disposed opposite to one another in a rotation axis direction of the spool, and with lock base-side second engaging teeth and connecting member-side second engaging teeth.