2. 2
About
• windshield wiper is a device used to remove
rain and debris from a windscreen or windshield
• Almost every motor vehicle is equipped with
wipers and also it’s a legal requirement.
3. 3
• It cleans out unnecessary elements that pose as distractions
to the focused driving vision of a Mercedes owner.
• The blade is swung back and forth over the glass, pushing
water and other elements from its surface.
• The assembly consists of:
the arm pivoting at one end,
the motor that powers the assembly
the blade that attaches to the arm.
4. 4
• Most automobiles use two synchronized radial type
arms, while many commercial vehicles use one or more
pantograph arms.
• To note, Mercedes-Benz pioneered a system called the
"Monoblade" where in a single wiper extends outward to
get closer to the top corners, and pulls in at the ends and
middle of the stroke, sweeping out a somewhat 'W'-
shaped path.
Single wiper of new Mercedes
5. 5
Design
In fact, it is very difficult to get a 4 bar
mechanism to rotate an output link by
160 deg. It will quickly jam with a little
wear.
