Patent ID: 7272890

Claim:
A method for producing a wiper arm for a wiper apparatus of a motor vehicle, comprising the steps of providing at least one part selected from the group consisting of a joint part and a fastening part; providing in said at least one part a base and at least one lateral flank extending from said base at an angle; providing in said at least one lateral flank at least one locking cam which extends inwardly from an edge remote from said base of said at least one lateral flank; and disposing inwardly and configured integrally with said one lateral flank, said at least one locking cam in a concealed fashion in said at least one part in a side profile so that it can not be seen from outside of said at least one part; stamping out a contour of the at least one part with the locking cam from a metal sheet; bending the locking cam over out of a plane of the sheet by approximately 90°; upsetting the locking cam; sharp-edged forming of the edge of the lateral flank; and bending the lateral flank over by an angle creating a profile that is approximately U-shaped in cross-section.