Windshield device for vehicle

A windshield device for a vehicle, comprising:

• a vehicle body cover formed by a front cowling covering, from a front direction, a front-head part of a vehicle body, meter panels positioned at a rear of the front cowling, and a front panel positioned behind and below the meter panels, such that the front cowling, meter panels, and front panel are mutually coupled, said vehicle body cover covering the front-head part of the vehicle body to form a uniform external appearance of the front part of the vehicle body;
• and
• a windscreen disposed at a position above the front cowling and capable of being vertically moved by a varying mechanism between a lower end position and a rising end position, wherein:
• a traveling air taken in at a front part of said vehicle body cover via an air introduction part is exhausted from air-exhaust parts at proper places on the meter panels or the front panel;
• an overlap area between said windscreen and the air introduction part in front elevational view of the vehicle changes in accordance with an aspect of said windscreens;
• a screen backside ventilation passage is provided at a backside of said windscreen, and the air introduction part is positioned at a front surface of the meter panels and is communicated with an intermediate portion of the screen backside ventilation passage, and
• a cross-sectional area of the screen backside ventilation passage is reduced as said windscreen moves upward.