Compact spreader

US8985302B2 · kind B2 · utility

Assignee

• TAKRAF GMBH · DE

Inventors

• Frank Hubrich · Dresden, DE
• Dieter Hoffmann · Marburg, DE

Key dates

• Filing date: May 26, 2011
• Grant date: Mar 24, 2015
• Expiry date: Jun 1, 2031

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65G65/28
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A compact spreader on continuous tracks (10) for use in opencast mining has a discharge boom (70) with a rearward extension designed as a rocker having a counterweight (100). The rocker is suspended centrally in a framework (50) over the turntable (40). Hydraulic cylinders (14) absorb only forces from half of the imposed load. The embodiment according to the invention is suitable for large band widths and discharge projections up to 100 m and eliminates the danger of tipping over.