Patents by Inventor Henk Roland van Marum

Henk Roland van Marum 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).

  • Method for attaching a chisel and associated device
    Patent number: 8894155
    Abstract: The invention relates to a device for machining and/or conveying materials, comprising a roller element rotatably supported about a longitudinal axis, at least one tool holder, a support element for supporting a cutting tool and a cutting tool, wherein the tool holder includes a receiver in which the support element is received in a form locking manner and the support element includes a bore hole. In order to configure the support element that is provided for holding the cutting tool engaging the material so that it can be exchanged in a much simpler manner it is proposed to arrange the fixation element coaxial with the support element, wherein the fixation element is connected with the support element through a threaded connection.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: November 25, 2014
    Inventor: Henk Roland van Marum
  • Method for attaching a chisel and associates device
    Publication number: 20140191563
    Abstract: The invention relates to a device for machining and/or conveying materials, comprising a roller element rotatably supported about a longitudinal axis, at least one tool holder, a support element for supporting a cutting tool and a cutting tool, wherein the tool holder includes a receiver in which the support element is received in a form locking manner and the support element includes a bore hole. In order to configure the support element that is provided for holding the cutting tool engaging the material so that it can be exchanged in a much simpler manner it is proposed to arrange the fixation element coaxial with the support element, wherein the fixation element is connected with the support element through a threaded connection.
    Type: Application
    Filed: January 9, 2013
    Publication date: July 10, 2014
    Inventor: Henk Roland van Marum