Patents by Inventor Guenther STABER
Guenther STABER 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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Publication number: 20220259973Abstract: A cutter head for excavating hard rock materials in rock face includes a carrier attachable to a cutter arm of a cutter machine and a drive shaft rotatably supported by the carrier. The drive shaft is rotatable about a drive axis and has at one end a support portion for mounting disc cutters. A plurality of disc cutters are mounted on the support portion and configured to perform undercutting against the rock face. Each disc cutter is rotatable about a respective support axis, the respective rotational axis of each disc cutter being configured to be substantially transverse to the rotational axis of the cutter head. A mining machine including the cutter head is also disclosed.Type: ApplicationFiled: July 31, 2019Publication date: August 18, 2022Inventors: Martin GIMPEL, Hubert KARGL, Bernhard EBNER, Guenther STABER
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Patent number: 11203931Abstract: A cutting apparatus includes a support structure and first and second cutting assemblies. Each cutting assembly includes a rotatable cutting head and a mounting assembly for movably attaching the cutting head to the support structure. The cutting head is movable about a first pivot axis of the mounting assembly in a sideways direction relative to the support structure, and about a second pivot axis in an upwards-downwards direction. Each cutting head includes a plurality of cutting units, which each have a rotatable shaft and a cutter mounted thereon. The cutter includes a disc body and a plurality of buttons mounted in a radially peripheral portion of the disc body. At least some of the buttons have a central longitudinal axis that subtends an angle ? to a reference axis, which extends perpendicularly outwards from an axis of the shaft, the angle ? being ?to 20° and ?to 34°.Type: GrantFiled: March 30, 2018Date of Patent: December 21, 2021Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Luis Garcia, Guenther Staber, Erika Huetter
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Patent number: 11092009Abstract: A cutter for a cutting unit used in cutting apparatus suitable for creating tunnels or subterranean roadways. The cutter includes a disc body having an underside, an upper side arranged substantially opposite to the underside, and a radially peripheral part. A plurality of buttons for abrading rock are mounted in the radially peripheral part of the disc body and protrude outwardly therefrom to engage rock during an undercutting operation, wherein at least some of the buttons have a cutting part having a dome-shaped cutting surface.Type: GrantFiled: March 30, 2018Date of Patent: August 17, 2021Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Luis Garcia, Guenther Staber
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Patent number: 11047235Abstract: A cutting head for cutting apparatus suitable for creating tunnels or subterranean roadways and the like. The cutting head includes a rotatable cutting head body and a plurality of cutting units mounted thereon. The cutting units include at least first and second different types of cutting units. The first type of cutting unit has a first rotatable cutter having a first disc body and a first arrangement of buttons for abrading rock. The first buttons are mounted in a radially peripheral portion of the disc body and protrude outwardly therefrom. The second type of cutting unit has a second rotatable cutter having a second disc body and a second arrangement of buttons. The second buttons are mounted in a radially peripheral portion of the disc body and protrude outwardly therefrom. The different types of cutting units differ from one another by at least the arrangements of their buttons.Type: GrantFiled: March 30, 2018Date of Patent: June 29, 2021Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Luis Garcia, Guenther Staber
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Patent number: 10876404Abstract: A roller cutter unit is mountable at a cutting head of undercutting mining machines. The cutter unit includes an elongate mount shaft to position and support a cutter ring. The cutter ring is secured to the mount shaft via a bracket having a wedge segment configured to be wedged axially and radially between the cutter ring and the shaft. Accordingly, a mounting mechanism is provided to achieve a desired force transmission pathway from the cutter ring into the shaft so as to maximize the locking action of the cutter ring at the cutter unit.Type: GrantFiled: November 10, 2016Date of Patent: December 29, 2020Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Martin Gimpel, Guenther Staber, Wolfgang Richter, Hubert Kargl, Gerald Kribitz, Thomas Bumberger
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Publication number: 20200141236Abstract: A cutter for a cutting unit used in cutting apparatus suitable for creating tunnels or subterranean roadways. The cutter includes a disc body having an underside, an upper side arranged substantially opposite to the underside, and a radially peripheral part. A plurality of buttons for abrading rock are mounted in the radially peripheral part of the disc body and protrude outwardly therefrom to engage rock during an undercutting operation, wherein at least some of the buttons have a cutting part having a dome-shaped cutting surface.Type: ApplicationFiled: March 30, 2018Publication date: May 7, 2020Inventors: Luis GARCIA, Guenther STABER
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Publication number: 20200131904Abstract: A cutting head for cutting apparatus suitable for creating tunnels or subterranean roadways and the like. The cutting head includes a rotatable cutting head body and a plurality of cutting units mounted thereon. The cutting units include at least first and second different types of cutting units. The first type of cutting unit has a first rotatable cutter having a first disc body and a first arrangement of buttons for abrading rock. The first buttons are mounted in a radially peripheral portion of the disc body and protrude outwardly therefrom. The second type of cutting unit has a second rotatable cutter having a second disc body and a second arrangement of buttons. The second buttons are mounted in a radially peripheral portion of the disc body and protrude outwardly therefrom. The different types of cutting units differ from one another by at least the arrangements of their buttons.Type: ApplicationFiled: March 30, 2018Publication date: April 30, 2020Inventors: Luis GARCIA, Guenther STABER
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Publication number: 20200123900Abstract: A cutting apparatus includes a support structure and first and second cutting assemblies. Each cutting assembly includes a rotatable cutting head and a mounting assembly for movably attaching the cutting head to the support structure. The cutting head is movable about a first pivot axis of the mounting assembly in a sideways direction relative to the support structure, and about a second pivot axis in an upwards-downwards direction. Each cutting head includes a plurality of cutting units, which each have a rotatable shaft and a cutter mounted thereon. The cutter includes a disc body and a plurality of buttons mounted in a radially peripheral portion of the disc body. At least some of the buttons have a central longitudinal axis that subtends an angle ? to a reference axis, which extends perpendicularly outwards from an axis of the shaft, the angle ? being ?to 20° and ?to 34°.Type: ApplicationFiled: March 30, 2018Publication date: April 23, 2020Inventors: Luis GARCIA, Guenther STABER, Erika HUETTER
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Publication number: 20190345823Abstract: A roller cutter unit is mountable at a cutting head of undercutting mining machines. The cutter unit includes an elongate mount shaft to position and support a cutter ring. The cutter ring is secured to the mount shaft via a bracket having a wedge segment configured to be wedged axially and radially between the cutter ring and the shaft. Accordingly, a mounting mechanism is provided to achieve a desired force transmission pathway from the cutter ring into the shaft so as to maximize the locking action of the cutter ring at the cutter unit.Type: ApplicationFiled: November 10, 2016Publication date: November 14, 2019Inventors: Martin GIMPEL, Guenther STABER, Wolfgang RICHTER, Hubert KARGL, Gerald KRIBITZ, Thomas BUMBERGER