Back to results
US 7,654,165 B2Granted
Composite steering rack
AssigneeBishop Innovation Limited
InventorKlaus Juergen Roeske
Life of this patent
Estimating the term…
Abstract
A steering rack for a vehicle rack and pinion steering gear and a method of manufacturing a steering rack includes a first member having a toothed region, attached to a tubular second member, the second member includes a bore, the cross section of the bore being circular along the length of the second member. The second member has at least one region of increased wall thickness and reduced bore diameter formed by an upsetting operation.
Claims6
A method of manufacturing a steering rack for a vehicle rack and pinion steering gear comprising the steps of
- (i) forging a blank to form a first member having a toothed region;
- and
- (ii) attaching said first member to a tubular second member by a welding operation, said second member having a bore, the cross section of said bore being circular along the length of said second member;
- wherein said second member is manufactured by performing an upsetting operation on a tube such that said second member has at least one region of increased wall thickness and reduced bore diameter.
1 more element
Dependencies are inferred from the claim text.