Vehicle door window glass support structure

1. A vehicle door window glass support structure comprising:

a sash part protruding upward with respect to a door panel; and window glass that is elevated or lowered along the sash part,

wherein the sash part includes a glass position regulating means including a guide rail extending in a longitudinal direction of the sash part and a slider that is secured to the window glass and slidably inserted into the guide rail,

wherein the guide rail and the slider determine the position of the window glass in both vehicle interior and exterior directions and an intersecting direction that intersects the vehicle interior and exterior directions at least at a position where the window glass is elevated most,

wherein the vehicle door window glass support structure includes a transmission mechanism connected to the slider that transmits a driving force from a drive source to the window glass,

wherein the guide rail includes a guide section that is provided in the sash part and is surrounded by a first pair of walls arranged opposite the vehicle interior and exterior directions and a second pair of walls arranged opposite the intersecting direction so as to be continuous to the longitudinal direction of the sash part,

wherein the position of the window glass is determined by the slider and the walls of the guide section,

wherein the guide rail includes a second section that is provided adjacent to the guide section in the intersecting direction that intersects the vehicle interior and exterior directions, and

the transmission mechanism is provided in the second section.

2. The vehicle door window glass support structure according to claim 1 ,

wherein the guide rail is open toward the vehicle exterior side, and the window glass is positioned on the vehicle exterior side of the guide rail, and

the slider includes: a glass securing part secured to a vehicle interior side surface of the window glass arranged opposite an open portion of the guide rail; and a sliding part located at vehicle interior side with respect to the glass securing part so as to be slidably disposed in the guide section.

3. The vehicle door window glass support structure according to claim 2 ,

wherein the sliding part includes:

a sliding base having a solid structure that brings an outer surface into contact with the walls forming the guide section;

a first elastic contact part that is provided at a position in the longitudinal direction of the sash part with respect to the sliding base, and is configured to elastically and deformably contact at least one of the first pair of walls; and

a second elastic contact part that is provided at another position, different from the position of the first elastic contact part, in the longitudinal direction of the sash part with respect to the sliding base, and is configured to elastically and deformably contact at least one of the second pair of walls.

4. The vehicle door window glass support structure according to claim 1 ,

wherein a door sash surrounding a window opening opened and closed by the window glass is provided above the door panel, and the sash part is an upright pillar sash extending downward from an end of an upper sash located at an upper edge of the door sash, and

the intersecting direction is inner and outer peripheral directions of the door sash that defines the window opening as an inner peripheral side.