Patents by Inventor Fredrich-Wilhelm Schumacher

Fredrich-Wilhelm Schumacher 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).

  • Adjustment arrangement for the tine carrier of a reel for a cutting device
    Patent number: 6698175
    Abstract: The invention relates to an adjustment arrangement for a reel tine carrier (5) supporting reaping tines (8) for a cereal cutting device. The reaping tines (8) are mounted on rotational tine carriers (5). The adjustment is carried out around an adjustment axis (9). The reel rotates around an axis of rotation (2). To adjust the reaping tines (8), a first control curve (19) is kept stationary relative to the reel (1). Each tine carrier (5) is provided with a control lever (16). The control lever is pivotably supported on the reel (1). One end of the control lever is supported on the first control curve (19). A pulling mechanism (11) is provided for each control lever (16). The pulling mechanism (11) is attached to one end on the control lever (16) and is guided around a control disc (10) mounted on the tine carrier (5). The other end of the pulling mechanism is fixed to a spring element (14). The spring element is fixed on the holding star 4 of the reel.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: March 2, 2004
    Assignee: Gebr. Schumacher Geratebaugesellschaft mbH
    Inventors: Gustav Schumacher, Fredrich-Wilhelm Schumacher, Klaus-Dieter Schumacher