Composite steering rack
AssigneeDishop Innovation Limited
InventorKlaus Roeske
Life of this patent
Estimating the term…
Abstract
A steering rack for a vehicle rack and pinion steering gear and a method of manufacture thereof. The steering rack comprising a first member having a toothed region, attached to a tubular second member. The second member having at least one region of increased wall thickness and reduced bore diameter formed by an upsetting operation.
Claims14
A steering rack for a vehicle rack and pinion steering gear, comprising a first member having a toothed region, attached to a tubular second member, characterized in that said second member has at least one region of increased wall thickness and reduced bore diameter formed by an upsetting operation.
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) (ii) attaching said first member to a tubular second member by a welding operation;
- characterised in that 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.
Dependencies are inferred from the claim text.