Mobile cleaning trolley and trailer

US5913528A · kind A · utility

Assignee

• Henkel Ecolab GmbH & Co. OHG · DE

Inventors

• Franz Kresse · Hilden, DE
• Rainer Osberghaus
• Roland Schunter · Warstein, DE
• Hans-Leo Fernschild · Korschenbroich, DE

Key dates

• Filing date: Sep 3, 1996
• Grant date: Jun 22, 1999
• Expiry date: Sep 3, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B62B2207/02
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A cleaning vehicle which is suitable for holding and transporting containers and devices for the commercial cleaning and disinfection of floors and other surfaces, consists of a main vehicle with wheels and a trailer with wheels and a coupling for connecting the trailer to the main vehicle. The coupling consists of at least one tow-hook and corresponding eyes in which the hook can engage. The shape of the hook and eyes is such that the coupling allows the trailer to rotate about the connecting line of the eyes of the main vehicle and/or the vertical movement of the trailer in relation to the main vehicle, but no movement of the trailer in the plane of travel in relation to the main vehicle. The wheels of the main vehicle do not lock when taking curves and are stable even on uneven surfaces. At the same time the trailer can be properly steered by the main vehicle without any undesired movements of the trailer. The improvement is also simple and economical.