Control device for semiautomatic gearshift mechanisms of vehicles, in particular, motor vehicles

US6497160B2 · kind B2 · utility

Assignee

• Hydraulik-Ring GmbH · DE

Inventors

• Roland Meyer · Jeffery Road, DE
• Thomas Claus · Lörrach, DE

Key dates

• Filing date: Feb 28, 2001
• Grant date: Dec 24, 2002
• Expiry date: Feb 28, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/20024
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A control device for a semiautomatic gearshift mechanism of a vehicle has a first actuator for moving a gearshift shaft for gutter selection in a first shaft movement direction. A second actuator moves the gearshift shaft for gear selection in a second shaft movement direction. The first actuator has a primary piston and at least two auxiliary pistons for moving the primary piston alternatingly in two travel directions. The primary piston has a piston body having first and second piston body end faces facing away from one another. The primary piston has first and second piston rods, wherein the first piston rod is connected to the first piston body end face and the second piston rod is connected to the second piston body end face, wherein the first and second piston rods project away form the first and second piston body end faces and extend in the travel directions.