Patents by Inventor Horst Zerza
Horst Zerza 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).
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Patent number: 12054367Abstract: The invention relates to a cable drum for a cable winch of a cable drive, having a drum body and two guard plates which surround the drum body on the face sides and delimit a winding space therebetween, wherein at least one of the guard plates has at least one inner wall part which is adjustable axially in the direction of the drum longitudinal axis such that the distance between the guard plates is adjustable.Type: GrantFiled: February 18, 2022Date of Patent: August 6, 2024Assignee: Liebherr-Components Biberach GmbHInventors: Horst Zerza, Ilaka Mupende
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Publication number: 20220267122Abstract: The invention relates to a cable drum for a cable winch of a cable drive, having a drum body and two guard plates which surround the drum body on the face sides and delimit a winding space therebetween, wherein at least one of the guard plates has at least one inner wall part which is adjustable axially in the direction of the drum longitudinal axis such that the distance between the guard plates is adjustable.Type: ApplicationFiled: February 18, 2022Publication date: August 25, 2022Applicant: Liebherr-Components Biberach GmbHInventors: Horst ZERZA, Ilaka MUPENDE
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Patent number: 10807841Abstract: A hoist drum for a fiber rope drive for high-strength fiber ropes such as crane hoists, boom adjustment or trolley traveling gear, and the like, comprising a drum body for winding up the fiber rope, guard plates encompassing the drum body, and a rope end fastening apparatus for fastening a rope end to the hoist drum. The rope end fastening apparatus of the hoist drum comprises two strand guiding passages that are disposed next to one another and that lead to a rope deflection element at which the rope end can be turned around and back so that one respective rope strand comes to lie in the two strand guiding passages; and furthermore comprises a clamping apparatus associated with the strand guiding passages for clamping at least the rope strand that is turned back around the rope deflection element in the strand guiding passage associated with the rope strand.Type: GrantFiled: October 4, 2016Date of Patent: October 20, 2020Assignee: LIEBHERR-COMPONENTS BIBERACH GMBHInventors: Ilaka Mupende, Norbert Hausladen, Steven Kreyssig, Nikolaj Horst, Horst Zerza
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Patent number: 10359347Abstract: An arrangement for detecting the discard state of a high-strength fiber rope when used on such hoists, with a device for determining at least one rope parameter and an evaluation unit for evaluating the rope parameter, and providing a discard signal depending upon the evaluation of the rope parameter. The determination device comprises bending stiffness determination means for determining the bending stiffness of the rope, whereby the evaluation unit provides the discard signal depending on the determined bending stiffness of the rope.Type: GrantFiled: July 24, 2014Date of Patent: July 23, 2019Assignee: Liebherr-Components Biberach GmbHInventors: Ilaka Mupende, Horst Zerza
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Patent number: 10301154Abstract: The present invention relates generally to rope drives working with high-strength fiber ropes such as crane hoists, boom adjustment gear, trolley traveling gear, etc. The invention in this respect in particular applies to hoist drums for the rope hoist winch of such a fiber rope drive having a drum jacket body which is provided with grooving at the peripheral side and having two guard plates adjacent to the drum jacket body at the end sides. The invention further relates to a rope pulley for such a fiber rope drive having a rotatably supported pulley body whose jacket surface has at least one rope groove. In accordance with the invention, the rope grooves have a flat-pressed, round groove contour which differs from the circular and which has a larger radius of curvature in the region of the groove base than in the region of the groove flanks adjacent thereto.Type: GrantFiled: July 28, 2017Date of Patent: May 28, 2019Assignee: Liebherr-Components Biberach GMBHInventors: Ilaka Mupende, Horst Zerza
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Patent number: 10281004Abstract: The present invention relates to a swivel for the reduction of twist of a rope, having two swivel parts which are rotatable with respect to one another in the longitudinal direction of the rope, wherein a rotary drive is provided for the forced rotation of the two parts with respect to one another. In accordance with the invention, at least one direction of rotation measurement unit is provided at the swivel for the detection of the direction of twist of the rope with respect to the swivel, wherein the rotary drive can be controlled by a control apparatus in dependence on the determined direction of twist such that the swivel part connected to the rope is rotated in the direction of the detected direction of twist.Type: GrantFiled: July 23, 2014Date of Patent: May 7, 2019Assignee: Liebherr-Components Biberach GmbHInventors: Ilaka Mupende, Horst Zerza
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Patent number: 10214396Abstract: The present invention generally relates to lifting gears such as cranes which use ropes such as high-strength fiber ropes. The invention in particular relates to a device for determining the discard state of such rope in use on such lifting gears, comprising a detection device for detecting at least one rope utilization parameter influencing the discard state and an evaluation unit for evaluating the rope utilization parameter and for providing a discard signal in dependence on the rope utilization parameter evaluation. According to the invention the detection unit has at least one detecting means for detecting environmental influences on the rope, which can be evaluated by evaluation devices to recognize the discard state.Type: GrantFiled: September 21, 2016Date of Patent: February 26, 2019Assignee: Liebherr-Components Biberach GMBHInventors: Ilaka Mupende, Horst Zerza
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Publication number: 20180290866Abstract: A hoist drum for a fiber rope drive for high-strength fiber ropes such as crane hoists, boom adjustment or trolley traveling gear, and the like, comprising a drum body for winding up the fiber rope, guard plates encompassing the drum body, and a rope end fastening apparatus for fastening a rope end to the hoist drum. The rope end fastening apparatus of the hoist drum comprises two strand guiding passages that are disposed next to one another and that lead to a rope deflection element at which the rope end can be turned around and back so that one respective rope strand comes to lie in the two strand guiding passages; and furthermore comprises a clamping apparatus associated with the strand guiding passages for clamping at least the rope strand that is turned back around the rope deflection element in the strand guiding passage associated with the rope strand.Type: ApplicationFiled: October 4, 2016Publication date: October 11, 2018Inventors: IIaka MUPENDE, Norbert HAUSLADEN, Steven KREYSSIG, Nikolaj HORST, Horst ZERZA
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Patent number: 10011464Abstract: The present invention relates generally to lifting gear such as cranes which use high-strength fiber ropes instead of steel ropes. In this respect, the invention in particular relates to an apparatus for recognizing the discard state of a high-strength fiber rope in use at such lifting gear comprising a detection device for detecting at least one rope parameter as well as comprising an evaluation unit for evaluating the rope parameter and for providing a discard signal in dependence on the rope parameter evaluation. In accordance with the invention, the detection device of the apparatus for recognizing the discard state comprises a plurality of differently configured detection means for a magnetic, mechanical, optical and/or electronic detection of a plurality of different rope parameters which can be evaluated by the evaluation unit individually and/or in combination with one another for recognizing the discard state.Type: GrantFiled: April 26, 2016Date of Patent: July 3, 2018Assignee: Liebherr-Components Biberach GMBHInventors: Ilaka Mupende, Horst Zerza
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Patent number: 9873597Abstract: The present invention relates generally to hoists such as cranes which instead of steel wire ropes use high-strength fiber ropes. The invention relates in particular to an arrangement for detecting the discard state of a high-strength fiber rope when used on such hoists, with a means for detecting at least one rope parameter and an evaluation unit for evaluating the rope parameter, and providing a discard signal depending upon the evaluation of the rope parameters. According to the invention, the detection means comprises torsional stiffness detection means to determine the torsional stiffness of the rope, whereby the evaluation unit provides the discard signal depending on the determined torsional stiffness of the rope.Type: GrantFiled: August 14, 2014Date of Patent: January 23, 2018Assignee: Liebherr-Components Biberach GmbHInventors: Ilaka Mupende, Horst Zerza
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Publication number: 20170327355Abstract: The present invention relates generally to rope drives working with high-strength fiber ropes such as crane hoists, boom adjustment gear, trolley traveling gear, etc. The invention in this respect in particular applies to hoist drums for the rope hoist winch of such a fiber rope drive having a drum jacket body which is provided with grooving at the peripheral side and having two guard plates adjacent to the drum jacket body at the end sides. The invention further relates to a rope pulley for such a fiber rope drive having a rotatably supported pulley body whose jacket surface has at least one rope groove. In accordance with the invention, the rope grooves have a flat-pressed, round groove contour which differs from the circular and which has a larger radius of curvature in the region of the groove base than in the region of the groove flanks adjacent thereto.Type: ApplicationFiled: July 28, 2017Publication date: November 16, 2017Applicant: LIEBHERR-COMPONENTS BIBERACH GMBHInventors: Ilaka MUPENDE, Horst ZERZA
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Patent number: 9758358Abstract: The present invention relates generally to rope drives working with high-strength fiber ropes such as crane hoists, boom adjustment gear, trolley traveling gear, etc. The invention in this respect in particular applies to hoist drums for the rope hoist winch of such a fiber rope drive having a drum jacket body which is provided with grooving at the peripheral side and having two guard plates adjacent to the drum jacket body at the end sides. The invention further relates to a rope pulley for such a fiber rope drive having a rotatably supported pulley body whose jacket surface has at least one rope groove. In accordance with the invention, the rope grooves have a flat-pressed, round groove contour which differs from the circular and which has a larger radius of curvature in the region of the groove base than in the region of the groove flanks adjacent thereto.Type: GrantFiled: July 24, 2013Date of Patent: September 12, 2017Assignee: Liebherr-Components Biberach GMBHInventors: Ilaka Mupende, Horst Zerza
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Publication number: 20170066631Abstract: The present invention generally relates to lifting gears such as cranes which use ropes such as high-strength fiber ropes. The invention in particular relates to a device for determining the discard state of such rope in use on such lifting gears, comprising a detection device for detecting at least one rope utilization parameter influencing the discard state and an evaluation unit for evaluating the rope utilization parameter and for providing a discard signal in dependence on the rope utilization parameter evaluation. According to the invention the detection unit has at least one detecting means for detecting environmental influences on the rope, which can be evaluated by evaluation devices to recognize the discard state.Type: ApplicationFiled: September 21, 2016Publication date: March 9, 2017Applicant: LIEBHERR-COMPONENTS BIBERACH GMBHInventors: llaka MUPENDE, Horst ZERZA
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Publication number: 20160236913Abstract: The present invention relates generally to lifting gear such as cranes which use high-strength fiber ropes instead of steel ropes. In this respect, the invention in particular relates to an apparatus for recognizing the discard state of a high-strength fiber rope in use at such lifting gear comprising a detection device for detecting at least one rope parameter as well as comprising an evaluation unit for evaluating the rope parameter and for providing a discard signal in dependence on the rope parameter evaluation. In accordance with the invention, the detection device of the apparatus for recognizing the discard state comprises a plurality of differently configured detection means for a magnetic, mechanical, optical and/or electronic detection of a plurality of different rope parameters which can be evaluated by the evaluation unit individually and/or in combination with one another for recognizing the discard state.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Inventors: Mupende ILAKA, Horst ZERZA
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Publication number: 20160223052Abstract: The present invention relates to a swivel for the reduction of twist of a rope, having two swivel parts which are rotatable with respect to one another in the longitudinal direction of the rope, wherein a rotary drive is provided for the forced rotation of the two parts with respect to one another. In accordance with the invention, at least one direction of rotation measurement unit is provided at the swivel for the detection of the direction of twist of the rope with respect to the swivel, wherein the rotary drive can be controlled by a control apparatus in dependence on the determined direction of twist such that the swivel part connected to the rope is rotated in the direction of the detected direction of twist.Type: ApplicationFiled: July 23, 2014Publication date: August 4, 2016Inventors: Ilaka MUPENDE, Horst ZERZA
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Publication number: 20160221800Abstract: The present invention relates generally to hoists such as cranes which instead of steel wire ropes use high-strength fibre ropes. The invention relates in particular to an arrangement for detecting the discard state of a high-strength fibre rope when used on such hoists, with a means for detecting at least one rope parameter and an evaluation unit for evaluating the rope parameter, and providing a discard signal depending upon the evaluation of the rope parameters. According to the invention, the detection means comprises torsional stiffness detection means to determine the torsional stiffness of the rope, whereby the evaluation unit provides the discard signal depending on the determined torsional stiffness of the rope.Type: ApplicationFiled: August 14, 2014Publication date: August 4, 2016Applicant: Liebherr-Components Biberach GmbHInventors: Ilaka MUPENDE, Horst ZERZA
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Publication number: 20160216183Abstract: The present invention relates generally to hoists such as cranes which instead of steel wire ropes use high-strength fibre ropes. The invention relates in particular to an arrangement for detecting the discard state of a high-strength fibre rope when used on such hoists, with a means for detecting at least one rope parameter and an evaluation unit for evaluating the rope parameter, and providing a discard signal depending upon the evaluation of the rope parameter. According to the invention, the detection means comprises bending stiffness determination means for determining the bending stiffness of the rope, whereby the evaluation unit provides the discard signal depending on the determined bending stiffness of the rope.Type: ApplicationFiled: July 24, 2014Publication date: July 28, 2016Inventors: Ilaka MUPENDE, Horst ZERZA
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Patent number: 9335318Abstract: The present invention relates generally to lifting gear such as cranes which use high-strength fiber ropes instead of steel ropes. In this respect, the invention in particular relates to an apparatus for recognizing the discard state of a high-strength fiber rope in use at such lifting gear comprising a detection device for detecting at least one rope parameter as well as comprising an evaluation unit for evaluating the rope parameter and for providing a discard signal in dependence on the rope parameter evaluation. In accordance with the invention, the detection device of the apparatus for recognizing the discard state comprises a plurality of differently configured detection means for a magnetic, mechanical, optical and/or electronic detection of a plurality of different rope parameters which can be evaluated by the evaluation unit individually and/or in combination with one another for recognizing the discard state.Type: GrantFiled: July 24, 2013Date of Patent: May 10, 2016Assignee: Liebherr-Components Biberach GMBHInventors: Mupende Ilaka, Horst Zerza
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Publication number: 20140027401Abstract: The present invention relates generally to lifting gear such as cranes which use high-strength fiber ropes instead of steel ropes. In this respect, the invention in particular relates to an apparatus for recognizing the discard state of a high-strength fiber rope in use at such lifting gear comprising a detection device for detecting at least one rope parameter as well as comprising an evaluation unit for evaluating the rope parameter and for providing a discard signal in dependence on the rope parameter evaluation. In accordance with the invention, the detection device of the apparatus for recognizing the discard state comprises a plurality of differently configured detection means for a magnetic, mechanical, optical and/or electronic detection of a plurality of different rope parameters which can be evaluated by the evaluation unit individually and/or in combination with one another for recognizing the discard state.Type: ApplicationFiled: July 24, 2013Publication date: January 30, 2014Applicant: LIEBHERR-COMPONENTS BIBERACH GMBHInventors: Mupende ILAKA, Horst ZERZA
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Publication number: 20140027691Abstract: The present invention relates generally to rope drives working with high-strength fiber ropes such as crane hoists, boom adjustment gear, trolley traveling gear. etc. The invention in this respect in particular applies to hoist drums for the rope hoist winch of such a fiber rope drive having a drum jacket body which is provided with grooving at the peripheral side and having two guard plates adjacent to the drum jacket body at the end sides. The invention further relates to a rope pulley for such a fiber rope drive having a rotatably supported pulley body whose jacket surface has at least one rope groove. In accordance with the invention, the rope grooves have a flat-pressed, round groove contour which differs from the circular and which has a larger radius of curvature in the region of the groove base than in the region of the groove flanks adjacent thereto.Type: ApplicationFiled: July 24, 2013Publication date: January 30, 2014Applicant: LIEBHERR-COMPONENTS BIBERACH GMBHInventors: Mupende ILAKA, Horst ZERZA