Opening and closing structure of window member

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the drawings.
FIG.
1 is a diagrammatical view showing an embodiment of the opening and shutting structure for a window glass according to the present invention wherein a left side of drawing indicates a front side of an automobile and a right side of drawing indicates to a rear side of the automobile.
FIG.
1 shows a side door 10 for a front seat of an automobile.
The side door 10 is provided with a door main body 20 and a glass sheet 30 as a window member, which can be housed in the door main body 20.
For the side door 10, an opening and shutting structure for a window member 11 is employed to raise or lower the glass sheet 30 with respect to the door main body 20.
which can be housed in the door main body 20.
For the side door 10, an opening and shutting structure for a window member 11 is employed to ascend or descend the glass sheet 30 to the door main body 20.
The door main body 20 has an inner panel (not shown) formed to have a predetermined shape by press-shaping, an outer panel 21 of substantially rectangular shape to form an outer plate for the automobile, which faces a side face of the inner panel, and a sash 22 attached to the inner panel.
The outer panel 21 is provided to cramp the a sash 22 in association with the inner panel.
The door main body 20 has a hollowed housing section 23 between the inner panel and the outer panel 21.
At a door waist portion, an opening 24 through which the glass sheet 30 is extended or retracted is formed.
The sash 22 is projected from the opening 24.
A window opening 29 is formed in a portion surrounded by the sash 22 and the door waist portion.
In a case of a so-called hard-top type automobile without the sash, the window opening 29 is formed in a portion surrounded by a part of the automobile body when doors are shut and the door waist portion.
The sash 22 comprises a first frame 22A formed to follow the front pillar and the roof side rail of the automobile, i