Ronjo Company

Mike Rosochacki

Brian M Nosakowski

The present invention includes a differential housing and a method for forming the differential housing. The method includes the step of cold-working a first housing preform by one of a group consisting of spin-forming or flow-forming the inner surface of the preform into conformance with a contour of a first mandrel to form the differential housing. The method also includes the step of installing a differential mechanism subassembly including a plurality of gears and a pin in the differential housing. The method also includes the step of releasibly connecting a housing portion of the differential housing with one of a lid and a second gear assembly.

Releasable enclosure for differential housing

The present invention discloses a differential housing and a method operable to form the differential housing. The method includes the step of disposing a member having an outer surface on a mandrel. The member in the exemplary embodiment of the invention is a ring that enhances the strength of the finished differential housing. The method also includes the step of cold-working a housing preform by flow-forming the inner surface of the housing preform into conformance with the mandrel and with the outer surface of the member after said disposing step. The member is disposed in situ as the housing preform is cold-worked to produce the finished differential housing.

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Canton, MI, United States of America

Mike Rosochacki