Synchronizer blocker ring core of low material thickness with coined lugs

US4698889A · kind A · utility

Assignee

• Borg-Warner Automotive, Inc. · US

Inventors

• Helmut Patzer · Schallstadt, DE
• Manfred Giese · Sinsheim, DE
• Rudolf Muller · Frankfurt, DE

Key dates

• Filing date: Jun 2, 1986
• Grant date: Oct 13, 1987
• Expiry date: Jun 2, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49472
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A new core for a synchronizing ring for gear synchronization is produced using a punching and stamping method. The lugs for coupling to the clutch are produced by stamping from the material of the conical core.