Patents by Inventor Leonhard Harter

Leonhard Harter 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: 11084176
    Abstract: The invention is a holding device for a suction gripper or for another interface member on a base of a vacuum handling apparatus, wherein the holding device is designed for detachable and preferably tool-free attachment of the suction gripper to the base and has a first direction and a second direction orthogonal thereto.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: August 10, 2021
    Assignee: J. Schmalz GmbH
    Inventor: Leonhard Harter
  • Publication number: 20190344453
    Abstract: The invention is a holding device for a suction gripper or for another interface member on a base of a vacuum handling apparatus, wherein the holding device is designed for detachable and preferably tool-free attachment of the suction gripper to the base and has a first direction and a second direction orthogonal thereto.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 14, 2019
    Applicant: J. Schmalz GmbH
    Inventor: Leonhard Harter
  • Patent number: 9604367
    Abstract: A surface area vacuum gripper having a housing with suction openings for sucking a workpiece to be gripped, at least one cover plate that seals the end face of the housing, an insertion element that can be inserted into the housing, wherein the insertion element can be fixed at the cover plate and comprises at least one opening which is flow-connected with the suction openings in the housing, the cover plate comprising a compressed air inlet. The insertion element comprises a functional device for controlling a flow through the opening of the insert.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: March 28, 2017
    Assignee: J. Schrnalz GmbH
    Inventor: Leonhard Harter
  • Patent number: 9573280
    Abstract: The invention relates to a surface area vacuum gripper for sucking and handling workpieces, comprising a housing, in which a negative pressure chamber is provided that can be subjected to negative pressure and wherein the housing comprises on the suction side, facing the workpiece, suction openings having a suction cross-section, wherein a flexible lining is associated to this suction side, which is applied to the workpiece. A film is interposed between the suction side of the housing and the flexible lining. The film includes flow openings which are locally corresponding to the suction openings, wherein the flow resistance of the suction openings is adjustable via the flow cross-section of the flow openings of the film.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: February 21, 2017
    Assignee: J. Schmalz GmbH
    Inventor: Leonhard Harter
  • Patent number: 9457478
    Abstract: A surface area vacuum gripper for sucking and handling workpieces, comprising a housing, in which a negative pressure vacuum chamber is provided that can be subjected to negative pressure and wherein the housing includes suction openings on the suction side, facing the workpiece. An insertion element is provided in the housing, which reduces the free inner space of the housing and includes vacuum channels fed by a vacuum generator. The insertion element can be equipped with a plurality of optional functions.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: October 4, 2016
    Assignee: J. Schmalz GmbH
    Inventors: Leonhard Harter, Ken Steyerl
  • Publication number: 20160067867
    Abstract: The invention relates to a surface area vacuum gripper for sucking and handling workpieces, comprising a housing, in which a negative pressure chamber is provided that can be subjected to negative pressure and wherein the housing comprises on the suction side, facing the workpiece, suction openings having a suction cross-section, wherein a flexible lining is associated to this suction side, which is applied to the workpiece. According to the invention, a film is interposed between the suction side of the housing and the flexible lining, the film comprising flow openings which are locally corresponding to the suction openings, wherein the flow resistance of the suction openings is adjustable via the flow cross-section of the flow openings of the film.
    Type: Application
    Filed: January 21, 2014
    Publication date: March 10, 2016
    Inventor: Leonhard Harter
  • Publication number: 20150360371
    Abstract: The invention relates to a surface area vacuum gripper (60) having a housing (12) with suction openings (20) for sucking a workpiece to be gripped, at least one cover plate (24) that seals the end face of the housing, an insertion element (28) that can be inserted into the housing, wherein the insertion element can be fixed at the cover plate (24) and comprises at least one opening (32) which is flow-connected with the suction openings (20) in the housing (12), the cover plate (24) comprising a compressed air inlet (26). The insertion element (28) comprises a functional device (34) for controlling a flow through the opening (32) of the insert (28).
    Type: Application
    Filed: January 20, 2014
    Publication date: December 17, 2015
    Applicant: J. SCHMALZ GMBH
    Inventor: Leonhard Harter
  • Publication number: 20150352726
    Abstract: The invention relates to an surface area vacuum gripper (10) for sucking and handling workpieces, comprising a housing (12), in which a negative pressure vacuum chamber is provided that can be subjected to negative pressure and wherein the housing (12) comprises on the suction side, facing the workpiece, suction openings (28). According to the invention, an insertion element (22) is provided in the housing, which reduces the free inner space of the housing and comprises vacuum channels (24) fed by a vacuum generator (38). The insertion element (22) can be equipped with a plurality of optional functions.
    Type: Application
    Filed: January 21, 2014
    Publication date: December 10, 2015
    Inventors: Leonhard Harter, Ken Steyerl
  • Patent number: 7661736
    Abstract: The invention concerns an underpressure surface gripping device with an extruded profile having a hollow chamber, a vacuum plate which is mounted parallel to the extruded profile, at least one flow through opening which connects the extruded profile to the vacuum plate, and with an ejector as a vacuum generator, wherein the ejector is inserted into the hollow chamber of the extruded profile and the suction opening of the ejector communicates with the flow through opening.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: February 16, 2010
    Assignee: J. Schmalz GmbH
    Inventors: Kurt Schmalz, Thomas Eisele, Leonhard Harter
  • Publication number: 20080129062
    Abstract: The invention concerns an underpressure surface gripping device with an extruded profile having a hollow chamber, a vacuum plate which is mounted parallel to the extruded profile, at least one flow through opening which connects the extruded profile to the vacuum plate, and with an ejector as a vacuum generator, wherein the ejector is inserted into the hollow chamber of the extruded profile and the suction opening of the ejector communicates with the flow through opening.
    Type: Application
    Filed: March 14, 2007
    Publication date: June 5, 2008
    Applicant: J. Schmalz GmbH
    Inventors: Kurt Schmalz, Thomas Eisele, Leonhard Harter
  • Patent number: 6945277
    Abstract: The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the flow channel of the housing.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: September 20, 2005
    Assignee: J. Schmalz GmbH
    Inventors: Kurt Schmalz, Gernot Schmierer, Thomas Eisele, Daniel Heine, Dieter Geissler, Leonhard Harter, Daniel Grözinger
  • Publication number: 20030188790
    Abstract: The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the flow channel of the housing.
    Type: Application
    Filed: April 3, 2003
    Publication date: October 9, 2003
    Applicant: J. Schmalz GmbH
    Inventors: Kurt Schmalz, Gernot Schmierer, Thomas Eisele, Daniel Heine, Dieter Geissler, Leonhard Harter, Daniel Grozinger