Manually controlled shifting conversion apparatus for a multi-stage transmission

US7451670B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Michael Ebenhoch · Friedrichshafen, DE
• Martin Flückiger · Schweinfurt, DE

Key dates

• Filing date: Jul 9, 2003
• Grant date: Nov 18, 2008
• Expiry date: Aug 31, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/20183
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A manually controlled shifting conversion apparatus for a multistage transmission having multiple shifting packets wherein gears for successive, non-adjacent gear ratios are located in each shifting packet and gears for successive, adjacent gear ratios are located in different shifting packets. The gears located in each shifting packet are respectively engaged by opposing axial displacements of the shifting packet controlled by a gear shift lever (4). The gear shift level (4) has a shifting pattern wherein the shifting positions of successive gear ratios are located in opposing positions in the shifting pattern.