Multiple disk clutch with spring control lift

US4437555A · kind A · utility

Assignee

• Fichtel & Sachs · DE

Inventors

• Dagwin Tomm · Kaiserslautern, DE
• Erich Scheer · St. Georgen, DE

Key dates

• Filing date: Oct 23, 1981
• Grant date: Mar 20, 1984
• Expiry date: Oct 23, 2001

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D13/757
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

In a multiple disk clutch, a first clutch disk is located between a flywheel which forms a counter-pressure plate and an intermediate plate and a second clutch disk is located between the intermediate plate, on the opposite side from the first clutch disk, and a pressure plate. The two clutch disks are attached to an output shaft so they rotate with but are axially slidable relative to the shaft. A spring acting on the intermediate plate lifts the intermediate plate when the clutch is disengaged. A lifting distance limitation device is associated with the intermediate plate and limits its lifting distance. The limitation device includes a self-acting readjustment device which readjusts the lifting distance as a function of the wear on the friction linings of the first clutch disk. A spring member extends between the intermediate plate and the pressure plate and acts on the intermediate plate in the engagement direction when the clutch is being engaged.