Clamping fixture for axially clamping a tool in place, in particular a disc

US4955744A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Walter Barth · Leinfelden, DE
• Friedrich Hausslein · Echterdingen, DE
• Winfried Helm · Echterdingen, DE
• Manfred Stabler · Echterdingen, DE

Key dates

• Filing date: Jun 14, 1989
• Grant date: Sep 11, 1990
• Expiry date: Jun 14, 2009

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16B2200/403
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A clamping fixture for axially clamping a tool, on a flange of a driven spindle and comprising a clamping nut having an internal thread to be screwed on an end portion with an outer thread of the driven spindle, a clamping member arranged between the tool and the clamping nut for transmitting an axial clamping force to the tool upon tightening of the clamping nut, a manually operable adjustable member freely rotatable relative to the end portion of the driven spindle, and a gearing for gear-coupling the adjusting member to the clamping nut and gear-coupling the clamping nut to the clamping member.