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US 6,886,232 B2Granted
Wiper arms, and method for producing wiper arms
AssigneeRobert Bosch GmbH
InventorPeter Kessler
Life of this patent
Estimating the term…
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.
Claims4
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 at a side which faces the at least one side of the one part a corresponding recess which corresponds to the tongue, so that a predetermined minimum distance between said two parts is not exceeded.
Dependencies are inferred from the claim text.