Patents by Inventor Charles W. Bland

Charles W. Bland 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: 4004640
    Abstract: A hanger mechanism for the attachment of a soil engaging tool to a horizontal tool bar located at the forward end of an agricultural vehicle through a series of pivotally interconnected structures. The hanger mechanism includes an upper and lower arm structure which extend forward from the tool bar and are disposed one above the other. A vertical bar structure is pivotally connected to the forward ends of the upper and lower arm structures with the upper and lower arm structures parallel. An implement arm having an upper end adjacent and below the forward end of the lower arm structure extends rearward and downwardly to a lower end. The implement arm is pivotally attached between the upper and lower ends thereof to an extension of the vertical bar structure. A connecting link is pivotally attached at one end to the lower arm structure rearward from the forward end thereof, and pivotally attached at its other end to the upper end of the implement arm.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: January 25, 1977
    Inventor: Charles W. Bland