Patents by Inventor Helmut Lohmann

Helmut Lohmann 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: 20230050260
    Abstract: The present invention relates to a base plate (10) for an autonomously guided industrial truck with a longitudinal direction (L) and a width direction (B), which is provided to form a base plate arrangement and to downward delimit a vehicle body of the industrial truck in sections, comprising a plate body (12), which is provided to define an outline of the base plate arrangement at least in sections. Here, the base plate (10) according to the invention has an opening (14) which is central in relation to the width direction (B) and is provided for accommodating a drive wheel of the industrial truck, and at least one recess (16a, 16b) which is offset in relation to a longitudinal center axis (L) in the width direction (B) and is provided for accommodating a support wheel arrangement of the industrial truck.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 16, 2023
    Inventors: Michael SCHÜLER, Helmut LOHMANN, Holger BRUNCKHORST, Marcel KRENZIN
  • Publication number: 20230047245
    Abstract: An autonomously-guided industrial truck comprising a vehicle frame defining, in a plan view, a vehicle contour in sections. The vehicle frame comprises three structural levels, arranged one above the other in a vertical direction, each with its own contour. The three structural levels include a lower structural level in which a base structure is attached, an upper structural level with a covering, and a middle structural level comprising a frame structure for connecting the lower structural level and the upper structural level. The industrial truck includes at least one drive wheel assigned to the vehicle frame to stand below the vehicle frame on a driving surface and at least one scanner unit arranged completely within the vehicle contour such that a scanning plane of the at least one scanner unit lies at least in sections vertically in a region of the middle structural level.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 16, 2023
    Inventors: Michael SCHÜLER, Helmut LOHMANN, Holger BRUNCKHORST, Marcel KRENZIN
  • Publication number: 20230047525
    Abstract: An autonomously guided industrial truck comprising a vehicle body and a pair of support arms extending from the vehicle body. The vehicle body defines a longitudinal direction and a width direction of the industrial truck in sections in plan view of the industrial truck. Each of the support arms extending from the vehicle body has at least one load wheel. The industrial truck includes a pair of support wheels or drive wheels located underneath the vehicle body on a driving surface and opposite one another relative to the width direction. The industrial truck includes a pair of scanner units arranged vertically above the support wheels or drive wheels. The pair of scanning units defines a scanning plane with respective scanning regions each scanning unit of the pair of scanning units, and wherein the respective scanning units are symmetrically opposite one another within an outline of the vehicle body in the width direction of the industrial truck.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 16, 2023
    Inventors: Michael SCHÜLER, Helmut LOHMANN, Holger BRUNCKHORST, Marcel KRENZIN
  • Patent number: 11530003
    Abstract: An industrial truck comprises a driver standing platform and at least two side walls forming an entrance to the driver standing platform. One of the at least two side walls comprises a support for a transverse standing position of an operator. The support for the transverse standing position extends along a first plane. A control unit is positioned opposite the entrance and is configured to be operated by the operator while standing on the driver standing platform. A back section is positioned on one of the at least two side walls and configured to extend into the entrance and comprises a support for an oblique front standing position of the operator. The support for the oblique front standing position extends along a second plane and the back section is positioned at an angle relative to the support for the transverse standing position.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: December 20, 2022
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler, Holger Brunckhorst
  • Publication number: 20220289541
    Abstract: An industrial truck comprises a load part comprises a load-carrying means including at least one load wheel and a drive part including a vehicle frame defining an opening. A steerable drive wheel and at least one support wheel are arranged on the vehicle frame. The at least one support wheel is arranged on a side of the drive wheel that faces away from the load part and is mounted as a trailing wheel that swivels about a vertical axis. The at least one support wheel is configured to at least partially protrude through the opening defined in the vehicle frame.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Michael Schüler, II, Helmut Lohmann, Holger Brunckhorst, Marcel Krenzin
  • Publication number: 20220242711
    Abstract: An industrial truck includes a drive part with a drive frame and a load part. The load part includes a lift frame having a load frame, which includes a plate, a load-carrying means connected to the plate, and at least one bearing head configured to receive a lift cylinder. The at least one bearing head is connected to the plate.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Applicant: Jungheinrich GmbH
    Inventors: Michael Schüler, Helmut Lohmann, Holger Brunkhorst, Marcel Krenzin
  • Patent number: 11383962
    Abstract: An industrial truck extends along a longitudinal truck axis and comprises a drive section and a stand-on platform positioned on the drive section. The stand-on platform comprises a base element configured to pivot about a first pivot axis and a stand-on element mounted to the base element and configured to pivot about a second pivot axis. The first pivot axis is parallel to the second pivot axis and offset from the second pivot axis by an offset distance in a direction of a longitudinal truck axis, and the stand-on element is configured to extend above the base element to form a standing surface. A first suspension is configured to support the base element and a second suspension is configured to support the stand-on element. The first suspension is positioned at a distance from the second suspension in the direction of the longitudinal truck axis.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: July 12, 2022
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler
  • Patent number: 11167783
    Abstract: An operating head for an industrial truck comprises a support extending along a longitudinal axis and comprising opposing carrier sections. One or more gripping sections are positioned opposite each of the opposing carrier sections, wherein the opposing carrier sections and gripping sections at least partially define a handle opening. The operating head further comprises at least one operating element positioned on at least one of the opposing carrier sections. The at least one operating element comprises a cylindrical body extending along a cylindrical body axis and defining a bulge extending radially from the cylindrical body along a bulge axis. The bulge extends towards the one or more gripping sections when the at least one operating element is in a rest position and the at least one operating element is pivotable about the cylindrical body axis by exerting a force against the bulge.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: November 9, 2021
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler, Holger Brunckhorst, Andreas Knie
  • Publication number: 20200239292
    Abstract: An industrial truck comprises a driver standing platform and at least two side walls forming an entrance to the driver standing platform. One of the at least two side walls comprises a support for a transverse standing position of an operator. The support for the transverse standing position extends along a first plane. A control unit is positioned opposite the entrance and is configured to be operated by the operator while standing on the driver standing platform. A back section is positioned on one of the at least two side walls and configured to extend into the entrance and comprises a support for an oblique front standing position of the operator. The support for the oblique front standing position extends along a second plane and the back section is positioned at an angle relative to the support for the transverse standing position.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler, Holger Brunckhorst
  • Publication number: 20200239291
    Abstract: An industrial truck extends along a longitudinal truck axis and comprises a drive section and a stand-on platform positioned on the drive section. The stand-on platform comprises a base element configured to pivot about a first pivot axis and a stand-on element mounted to the base element and configured to pivot about a second pivot axis. The first pivot axis is parallel to the second pivot axis and offset from the second pivot axis by an offset distance in a direction of a longitudinal truck axis, and the stand-on element is configured to extend above the base element to form a standing surface. A first suspension is configured to support the base element and a second suspension is configured to support the stand-on element. The first suspension is positioned at a distance from the second suspension in the direction of the longitudinal truck axis.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler
  • Publication number: 20200239056
    Abstract: An operating head for an industrial truck comprises a support extending along a longitudinal axis and comprising opposing carrier sections. One or more gripping sections are positioned opposite each of the opposing carrier sections, wherein the opposing carrier sections and gripping sections at least partially define a handle opening. The operating head further comprises at least one operating element positioned on at least one of the opposing carrier sections. The at least one operating element comprises a cylindrical body extending along a cylindrical body axis and defining a bulge extending radially from the cylindrical body along a bulge axis. The bulge extends towards the one or more gripping sections when the at least one operating element is in a rest position and the at least one operating element is pivotable about the cylindrical body axis by exerting a force against the bulge.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Michael Schueler, Holger Brunckhorst, Andreas Knie
  • Patent number: 10150521
    Abstract: A industrial truck with a drive part, which has a driver stand that has an L-shaped stand platform with a horizontally arranged floor element and a vertically arranged wall element, wherein the floor element is spring-mounted on the drive part by means of at least one spring element and a swing arm, and the wall element has a coupling element that acts on the movement of the stand platform.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: December 11, 2018
    Assignee: Jungheinrich Aktiengesellschaft
    Inventor: Helmut Lohmann
  • Patent number: 9889894
    Abstract: An industrial truck with a drive part having a driver stand assembly. The driver stand assembly includes an L-shaped stand platform with a horizontally arranged floor element and a vertical wall element. The vertical wall element has a switching lever positioned on it which interacts with the spring element in a first switching position and is freely movable relative to the spring element in a second switching position, wherein in the first switching position, a spring force of the spring element acts by means of the switching lever on the stand platform.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: February 13, 2018
    Assignee: Jungheinrich Aktiengesellschaft
    Inventor: Helmut Lohmann
  • Publication number: 20160244110
    Abstract: A industrial truck with a drive part, which has a driver stand that has an L-shaped stand platform with a horizontally arranged floor element and a vertically arranged wall element, wherein the floor element is spring-mounted on the drive part by means of at least one spring element and a swing arm, and the wall element has a coupling element that acts on the movement of the stand platform.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 25, 2016
    Inventor: Helmut Lohmann
  • Publication number: 20160244109
    Abstract: An industrial truck with a drive part having a driver stand assembly. The driver stand assembly includes an L-shaped stand platform with a horizontally arranged floor element and a vertical wall element. The vertical wall element has a switching lever positioned on it which interacts with the spring element in a first switching position and is freely movable relative to the spring element in a second switching position, wherein in the first switching position, a spring force of the spring element acts by means of the switching lever on the stand platform.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 25, 2016
    Inventor: Helmut Lohmann
  • Patent number: 7854280
    Abstract: A preassembly unit for the drive of an industrial truck, with a fifth wheel on which the driving wheel is rotatably mounted around a horizontal axis and which on its part is rotatably mounted in a bearing member around a vertical axis, a drive motor arranged on the fifth wheel, which is coupled with a driving shaft of the driving wheel via a gearbox, optionally a steering motor on the bearing member in order to turn the fifth wheel in the bearing member around the vertical axis, a parallel rod assembly between the bearing member and a frame of the industrial truck, which permits an essentially vertical movement of the preassembly unit in relation to the frame, and a spring arrangement between the bearing member and a frame-fixed section, wherein at least one upper drag rod of the parallel rod assembly is articulated on the lower end of a separate attachment section, which forms an interface with a counter-attachment position on the frame by attachment positions, and that at least one spring acts between a sho
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: December 21, 2010
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Marcel Krenzin, Helmut Lohmann, Ulf Schipper
  • Patent number: 7641020
    Abstract: A hand rail for a walkie/rider truck and a conversely U-shaped hand rail has a grab bar, and a control housing being arranged on the grab bar which includes control elements for the lifting and lowering of the load carrying fork, for the horn and for a fast speed mode. The housing is located at the lower side of the grab bar such and the grab bar in the area of the control housing is formed such that the grab bar can be seized by the operator above the control housing in order to obtain a secure support and/or to actuate a control element.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: January 5, 2010
    Assignee: Jungheinrich Aktiengessellschaft
    Inventor: Helmut Lohmann
  • Patent number: 7383915
    Abstract: A drawbar for power-operated industrial trucks with a drawbar handle which can be pivoted about a horizontal axis in a large angular range between an approximately upright position and a position inclined obliquely to vertical. The drawbar includes a drawbar head arranged at a free end of the drawbar handle, the head including a horn arranged in the extension of the drawbar handle, rod-like grips extending on both sides of the horn and approximately transversely thereto that are connected to carrier sections connected to the horn on both sides via arm sections attached to the end of a grip. The arm and carrier sections form a protective yoke with grip openings and at least one control element for a function of the industrial truck on one grip opening is arranged in the vicinity of the associated carrier section, such that it can be actuated from above by pressure from one finger, even when the hand grasps the rod-like grip facing it.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: June 10, 2008
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Bernd David, Helmut Lohmann, Michael Niebuhr, Volkmar Prehn
  • Publication number: 20080053744
    Abstract: A preassembly unit for the drive of an industrial truck, with a fifth wheel on which the driving wheel is rotatably mounted around a horizontal axis and which on its part is rotatably mounted in a bearing member around a vertical axis, a drive motor arranged on the fifth wheel, which is coupled with a driving shaft of the driving wheel via a gearbox, optionally a steering motor on the bearing member in order to turn the fifth wheel in the bearing member around the vertical axis, a parallel rod assembly between the bearing member and a frame of the industrial truck, which permits an essentially vertical movement of the preassembly unit in relation to the frame, and a spring arrangement between the bearing member and a frame-fixed section, wherein at least one upper drag rod of the parallel rod assembly is articulated on the lower end of a separate attachment section, which forms an interface with a counter-attachment position on the frame by attachment positions, and that at least one spring acts between a sho
    Type: Application
    Filed: August 30, 2007
    Publication date: March 6, 2008
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Marcel Krenzin, Helmut Lohmann, Ulf Schipper
  • Patent number: 7325655
    Abstract: A steering arm for a walking/rider pallet truck, the truck having a housing with an upper side and the steering arm having a steering rod which is linked to the upper side of the housing with one end, and carries a steering head at the other end. The steering head includes actuation elements for the control of functions of the pallet truck, the steering rod having an upper surface and lateral surfaces which join to the upper surface, at least the lateral surfaces being covered by a cushion.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: February 5, 2008
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Helmut Lohmann, Matthias Roder