Patents by Inventor Stephan Ballhausen

Stephan Ballhausen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050008465
    Abstract: An industrial truck, in particular a fork lift truck, has a battery compartment with a battery block (3) that can be moved in the horizontal direction relative to the battery compartment through a lateral opening in the battery compartment. A floor of the battery compartment is equipped with a roller conveyor (1). The roller conveyor (1) has two or more parts, wherein at least one part (1b) of the roller conveyor (1) can be moved out of the battery compartment such that the battery block (3) can be moved on the roller conveyor (1) all the way out of the industrial truck.
    Type: Application
    Filed: August 28, 2003
    Publication date: January 13, 2005
    Inventors: Marek Szymanski, Michael Buchmann, Stephan Ballhausen, Torsten Gerdes
  • Publication number: 20040173408
    Abstract: An industrial truck, such as a fork lift truck, includes a battery compartment (1) and a battery block (4) which can be moved in the horizontal direction relative to the battery compartment (1). A floor of the battery compartment (1) is equipped with a roller conveyor (3). The industrial truck has at least one force-generating actuator to move the battery block (4) relative to the battery compartment (1). The actuator can have a threaded spindle (2), a pressure medium cylinder, a circulating assembly, a push chain, or a drive mechanism for the roller conveyor.
    Type: Application
    Filed: August 28, 2003
    Publication date: September 9, 2004
    Inventors: Marek Szymanski, Michael Buchmann, Stephan Ballhausen, Torsten Gerdes