Patents by Inventor Heinrich Arck

Heinrich Arck 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).

  • Patent number: 6309171
    Abstract: In the case of a mobile loading machine with front-end loading equipment, in particular a construction machine, having a lifting frame (1) which is rotatably mounted by the rear end on a front frame part (13) of the loading machine (L) in a lifting-frame pivot point (14) and which can be raised and lowered by means of at least one lifting cylinder (2), a working shovel (5), fork (5′) or the like being coupled to the front end of the lifting frame (1) in a shovel pivot point (6), and a tipping lever (3) being coupled in a central region of the lifting frame (1) in a tipping-lever pivot point (15), the lower end of which lever is connected in a tipping-cylinder coupling point (8) in an articulated manner to a tipping cylinder (7) which is coupled at the other end in a tipping-cylinder pivot point (18) to the frame part (13) and whose upper end is coupled in a tipping-rod pivot point (17) to a tipping rod (4) which is coupled by its other end to the working shovel (5) in a tipping-rod coupling point (21) a
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: October 30, 2001
    Assignee: O&K Orenstein & Koppel Aktiengesellschaft
    Inventors: Heinrich Arck, Robert Höllwart, Gustav Leidinger