Patents by Inventor Adolf Frohlich

Adolf Frohlich 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: 5058470
    Abstract: Hydraulic sawing cycle control system for an undercut swing saw. Hydromotor 5 with crankshaft 7 fitted thereon without play drives the sawing lever arm 2 via a connecting rod 3. One revolution of the hydromotor corresponds to one saw cut. The hydromotor 5 is thereby controlled via a proportional valve. The path of movement of the sawing cycle can advantageously be regulated.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: October 22, 1991
    Assignee: Firma Dimter GmbH Maschinenfabrik
    Inventor: Adolf Frohlich