Lifting gear

US7926789B2 · kind B2 · utility

Assignee

• Demag Cranes & Components GmbH · DE

Inventors

• Thomas Kohlenberg · Soest, DE
• Stefan Noll · Laatzen, DE
• Jurgen Backsmann · Hagen, DE
• Christoph Passmann · Dortmund, DE
• Gereon Imbusch · Mettmann, DE

Key dates

• Filing date: Mar 18, 2008
• Grant date: Apr 19, 2011
• Expiry date: Mar 18, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T403/7041
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to lifting gear having a drive unit (2), a drive shaft (3), which has a drive flange (4) fixable thereon and can be driven by the drive unit (2), and a cable drum (5) that can be connected to the drive flange by means of a coupling, said coupling comprising at least one coupling element (10) engaging in a recess (11) in the drive flange (4) and in a hole (12) in the cable drum (5) to transmit torque. In order to equip a lifting gear having a drive unit comprising a motor and a gearbox with a coupling, which ensures simple assembly with a simple and space-saving design, according to the invention the coupling element (10) is movable and fixable radially from an assembly position into an operating position, in which the coupling element (10) connects the drive flange (4) to the cable drum (5) in a driveable manner.