Patents by Inventor Jonas Hefti

Jonas Hefti 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).

  • Publication number: 20260084336
    Abstract: A pruner includes a housing and a drive motor. The drive motor drives a saw chain, which is guided in a guide groove of a guide bar, in a rotary motion via a drive chain sprocket. A fastening section for receiving a first rechargeable battery pack for supplying the drive motor with electrical energy is provided on a rear end of the housing. The fastening section is provided for receiving a second rechargeable battery pack. The fastening section is arranged on the housing, in particular at least on the first handle, in such a way that a center of gravity of the pruner lies in the first handle when the pruner is in a state in which the first rechargeable battery pack and the second rechargeable battery pack are arranged on the fastening section.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 26, 2026
    Applicant: Andreas Stihl AG & Co. KG
    Inventors: Jonas LANK, Jonas HEFTI, Heiko DIEHL, Daniel MARTIN, Carel KARRAR, Helmut SCHLESSMANN
  • Patent number: 12064860
    Abstract: A hand-guided work apparatus has a handle having a first and a second operator-controlled element pivotably mounted thereon. The handle surrounds a guide tube. The first element can activate a motor. The guide tube defines a central plane containing a longitudinal axis. The plane is oriented parallel to a first axis of the first element. The first element projects out of the handle on a first side of the plane. The second element is pivotably mounted on a first and a second pivot bearing arranged on opposite sides of the plane. The tube projects through an opening in the second element. A third operator-controlled element can pivot about a third axis. In its actuated position, the third element holds the second element in its actuated position via a holder. The second axis of the second element lies in a plane extending perpendicular to a fourth axis of the holder.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: August 20, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Roland Mandel, Jonas Hefti, Jan Bejblik
  • Publication number: 20230200297
    Abstract: The disclosure relates to a portable work apparatus. The work apparatus includes a spacer which is arranged on the front housing and has a contact region. The contact region has a maximum distance, as measured radially, with respect to the rotational axis of the output shaft, the distance being greater than the cutting radius of the cutting tool in a first, non-deformed state of the spacer. The spacer is elastically deformable. The spacer is elastically deformed in a second state in such a manner that the maximum distance of the contact region is at most the same size as the cutting radius, and the spacer is arranged completely outside the cutting plane of the cutting tool.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 29, 2023
    Inventors: Henrik Pahlitzsch, Marcel Kaltenberg, Dirk Queck, Mathias Winter, Robin Stroda, Matthias Nagl, Alexander Kraft, Simon Barth, Jonas Hefti
  • Publication number: 20220288765
    Abstract: A hand-guided work apparatus has a handle having a first and a second operator-controlled element pivotably mounted thereon. The handle surrounds a guide tube. The first element can activate a motor. The guide tube defines a central plane containing a longitudinal axis. The plane is oriented parallel to a first axis of the first element. The first element projects out of the handle on a first side of the plane. The second element is pivotably mounted on a first and a second pivot bearing arranged on opposite sides of the plane. The tube projects through an opening in the second element. A third operator-controlled element can pivot about a third axis. In its actuated position, the third element holds the second element in its actuated position via a holder. The second axis of the second element lies in a plane extending perpendicular to a fourth axis of the holder.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 15, 2022
    Inventors: Roland Mandel, Jonas Hefti, Jan Bejblik