Vehicle door sash structure

A vehicle door sash structure provided with

• a window glass arranged in a window frame,
• a rail portion constituting the window frame and surrounding a rim of the window glass,
• a molding constituting an outer wall of the rail portion,
• a window frame body constituting an inner wall of the rail portion, and
• a run channel arranged in the rail portion,
• the vehicle door sash structure comprising:
• a molding assembly including the molding and the run channel integrated together and being attached to the window frame body from a vehicle outer side to a vehicle inner side in a vehicle inner-outer direction along a direction from an inner side to an outer side of a vehicle;
• an outer beam portion taking on a form of a cantilever erected on the window frame body so as to be capable of attaching the molding;
• an inner beam portion taking on a form of a cantilever erected on the window frame body;
• and
• a holding unit provided on the run channel and configured to be lockable with the inner beam portion, wherein
• the holding unit includes a guide locking portion arranged in a region of the run channel opposed in the vehicle inner-outer direction to a tip end rim of the inner beam portion in a state of temporary attachment after completion of attachment of the molding to the outer beam portion, and
• the guide locking portion is inclined in a direction to guide the run channel to a position of completion of attachment while coming into contact with the tip end rim of the inner beam portion by an input of an attachment force in a direction to attach the molding to the run channel in the state of temporary attachment.