Back to results
US 8,770,606 B2Granted
Control arm for a vehicle
AssigneeMagna International Inc.
InventorsErnst Lindtner, Josef Schellnegger
Life of this patent
Estimating the term…
Abstract
A component, especially a control arm for a vehicle, includes a base wall and a passage extending away from said base wall, and in particular, a control arm lug. A method for producing such a component includes shortening a deep-drawn contour which connects one side of the base wall to an inner contour of a passage in the longitudinal direction of the passage by means of upsetting.
Claims13
A method for producing a component having a base wall and a passage extending from the base wall and formed from the base wall, the forming of the passage comprising the following steps:
- forming an initial passage having a wall thickness and a deep-drawn contour which connects one side of the base wall to an inner contour of the passage, and
- upsetting the passage,
- wherein during the upsetting of the passage, the deep-drawn contour is shortened in the longitudinal direction of the passage and the inner contour is displaced towards the side of the base wall to increase in a radial direction the entire length of the wall thickness of the passage.
Dependencies are inferred from the claim text.