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US 2004/0163198 A1Published application
Wiper arms, and method for producing wiper arms
OwnerPeter Kesslerinventor
Life of this patent
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Abstract
In a method for producing wiper arm and a wiper arm produced by the method a tongue for a rotary angle limiting is punched on a hinge part and correlates with a recess in the hinge part.
Claims9
A method for producing wiper arms for a motor vehicle, comprising the steps producing at least one element with a punch-bending process;
- punching out from the at least one element at least two alternating-side oppositely located parts;
- punching at least at one side of one of said two parts a tongue projecting outwardly beyond a base contour of said one part;
- punching in the neighboring other of said parts a corresponding recess, so that a predetermined minimum distance between said two parts is not exceeded.
A wiper arm, comprising at least one part produced from at least one element and having two ends, said at least one part in a region of its first end has a tongue and in a region of its second end has a recess whose surface is at least as great as that of said tongue.
Dependencies are inferred from the claim text.