Patents by Inventor Hans Otto Sacht

Hans Otto Sacht 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: 4378732
    Abstract: Apparatus for forming roll bales of agricultural harvest material operating to helically tie the roll bales with twine is provided with a twine guide member moving along a front intake aperture of the baler and automatically controlled by a ratchet and pawl mechanism. The guide member is biased toward a lateral rest position by a spring. An actuating line is attached to the guide member to enable the guide member to be moved to an opposite lateral start position against the force of the spring. The actuating line is wound around a pulley of the ratchet and pawl mechanism. The ratchet and pawl mechanism includes a releasing disc which is driven by the twine itself during a tying operation and which carries a lifting cam which alternately disengages a pair of pawls of the ratchet and pawl mechanism.
    Type: Grant
    Filed: February 18, 1981
    Date of Patent: April 5, 1983
    Assignee: Gebruder Welger GmbH & Co. Kommanditgesellschaft
    Inventors: Jurgen Simonis, Hans-Otto Sacht
  • Patent number: 4119026
    Abstract: To form round bales of fibrous agricultural material, windrowed material is fed into a baling zone formed within a frame. The frame is formed of a stationary front part and a rear part pivotally connected to the front part. Circumferential peripheral surface of the baling zone is lined with conveying elements, either belts, chains, drums, rollers or the like can be used. The material enters in the lower portion of the front part through an opening between two adjacent conveying elements. As it is carried along by the conveying elements, the material is turned over on itself gradually producing a round bale limited in size by the circumferential periphery of the baling zone. As the zone becomes filled, the conveying elements compress the material, wherein the inner layers foist together in a stellate manner. When the bale is completed the rear part pivots away from the front part to discharge the bale.
    Type: Grant
    Filed: January 26, 1977
    Date of Patent: October 10, 1978
    Assignee: Gebruder Welger
    Inventor: Hans Otto Sacht
  • Patent number: 4009653
    Abstract: To form round bales of fibrous agricultural material, windrowed material is fed into a baling zone formed within a frame. The frame is formed of a stationery front part and a rear part pivotally connected to the front part. Circumferential peripheral surface of the baling zone is lined with conveying elements, either belts, chains, drums, rollers or the like can be used. The material enters in the lower portion of the front part through an opening between two adjacent conveying elements. As it is carried along by the conveying elements, the material is turned over on itself gradually producing a round bale limited in size by the circumferential periphery of the baling zone. As the zone becomes filled, the conveying elements compress the material, wherein the inner layers fold together in a stellate manner. When the bale is completed the rear part pivots away from the front part to discharge the bale.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: March 1, 1977
    Assignee: Gebrueder Welger
    Inventor: Hans Otto Sacht
  • Patent number: 3938652
    Abstract: The invention relates to a feeder rake for the feeding of cut material into the baling chamber of agricultural pick-up and other balers, which is arranged to be driven by a steadily rotating crank and is guided by a swinging rod, which is connected by a link and by a guide arm with two spaced pivot bearings of the tine carrier of the feeder rake, and the guide arm has an overload protection device, upon whose actuation the feeder rake is folded back into a position in which it cannot continue feeding and, when it is freed of its load, it is erected again automatically moving out of the above-mentioned inoperative position into its operating position.
    Type: Grant
    Filed: May 22, 1974
    Date of Patent: February 17, 1976
    Assignee: Gebrueder Welger
    Inventors: Hans Otto Sacht, Joost Honhold, Uwe Elert