Patents Assigned to Wittenstein SE
  • Patent number: 12228200
    Abstract: Gearbox (1) having a tooth carrier (40) for receiving teeth (7) of a gear ring that are disposed about a rotation axis (5) of the gearbox, wherein the teeth (7) are disposed in the tooth carrier (11) so as to be displaceable and guided in the radial direction, a cam disk (20) which is rotatable about the rotation axis (5) and for driving the teeth (7) in the radial direction has a cam curvature that is variable over the circumference, wherein bearing segments (24) which are mounted so as to slide on the cam disk (20) are disposed between the teeth (7) and the cam disk (20), and wherein the bearing segments (24) have a contact region which has a concave curvature and is disposed so as to be centric on a running surface that faces the cam disk (20), wherein the concave curvature is larger than the smallest cam curvature of the cam disk, and smaller than the largest cam curvature of the cam disk.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: February 18, 2025
    Assignee: WITTENSTEIN SE
    Inventors: Heiko Schreiber, Michael Schmidt, Thomas Bayer
  • Patent number: 12071220
    Abstract: Plinth system (1) for a control stick (51) for controlling an aircraft having a plinth flange (3) includes a tubular receiving means (7) and a plinth nut (5) which at least partially encloses the receiving means of the plinth flange (3), wherein the plinth nut (5) comprises an interface (11) for fastening a knurled nut (41).
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: August 27, 2024
    Assignee: WITTENSTEIN SE
    Inventors: Alexander Eck, Andreas Lindner, Matthias Schnupp, Christoph Prinz, Sebastian Michel
  • Publication number: 20240280162
    Abstract: Bolt-type angular gear mechanism (1), comprising angular bolts (3) each with two limbs, which are angled in relation to each other, a first bolt carrier (11), which is rotatable about a first axis (13) and has first bolt receptacles (15), in each of which a first limb (5) of one of the angular bolts (3) is at least partially received, and a second bolt carrier (21), which is rotatable about a second axis (23), which is different from the first axis (13), and has second bolt receptacles (25), in each of which a second limb (7) of one of the angular bolts (3) is at least partially received, so that the first bolt carrier (11) and the second bolt carrier (21) are connected by means of the angular bolts (3), wherein the limbs of the angular bolt (3) have a flattened portion (39), wherein the flattened portion extends in the longitudinal direction of the limb.
    Type: Application
    Filed: February 16, 2024
    Publication date: August 22, 2024
    Applicant: WITTENSTEIN SE
    Inventors: Michael Lesch, Maximilian Hanus, Axel Irmer, Tim Poeschmann, Sebastian Michel
  • Publication number: 20240246659
    Abstract: Shaft connection (1) having a first shaft (5) which is rotatable about an axis of rotation (3), a second shaft (7) which is arranged coaxially with the first shaft (5) and which is movable axially relative to the first shaft (5), and at least one spring element pair (9), in each case having a first spring element (11) and a second spring element (13), wherein the first spring element (11) and the second spring element (13) are each fastened to the first shaft (5) and to the second shaft (7), and wherein the first spring element (11) and the second spring element (13) are arranged axially offset relative to one another.
    Type: Application
    Filed: January 23, 2024
    Publication date: July 25, 2024
    Applicant: WITTENSTEIN SE
    Inventors: Alexander Eck, Nikolai Seitz
  • Publication number: 20240247685
    Abstract: A gear mechanism (1), in particular coaxial gear mechanism, having a housing with a fixedly arranged toothing (3), a tooth carrier (5) rotatable about a gear mechanism axis relative to the housing and guides (7), teeth (9), which are received in the guides (7) for engagement with the toothing (3), wherein the teeth (9) are mounted in the guides (7) so as to be displaceable in the direction of their longitudinal axis relative to the tooth carrier (5), a cam disk (13) rotatable about the gear mechanism axis (11) and intended to drive the teeth (9) along the respective longitudinal axis of the teeth (9), and a bearing row (35, 37) between the tooth carrier (5) and the housing for mounting the tooth carrier in the housing, wherein the bearing row (35, 37) includes axial rolling bodies, the axes of rotation of which are aligned perpendicularly in relation to the gear mechanism axis (11), and radial rolling bodies, the axes of rotation of which are aligned parallel to the gear mechanism axis (11).
    Type: Application
    Filed: January 22, 2024
    Publication date: July 25, 2024
    Applicant: WITTENSTEIN SE
    Inventors: Heiko Schreiber, Markus Schlauch
  • Patent number: 12000460
    Abstract: Gear mechanism (1) having a toothing (5), a tooth carrier (11) accommodating a plurality of teeth (7) for engagement with the toothing, the teeth (7) being radially displaceable relative to the tooth carrier (11), a drive input with a profiling (22) for radially driving the teeth (7), and bearing segments (24) for mounting the teeth on the profiling. Each bearing segment includes a running side oriented in the direction of the profiling and a bearing side opposite the running side, a tooth bearing arranged on the bearing side for articulated mounting of at least one of the teeth, the tooth bearing including a bead which is at least substantially in the shape of a cylinder section and arranged from a first side edge to a second side edge of the bearing segment transverse to a running direction of the bearing segment. The bead is in a central region between the first and second side edges and has a first and/or second recess on a first and/or second side of the central region.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: June 4, 2024
    Assignee: WITTENSTEIN SE
    Inventor: Heiko Schreiber
  • Patent number: 11994415
    Abstract: Encoder system (1) for a drive, including a revolution counter having a Wiegand sensor (23) which is disposed on a stationary part (13) of the encoder system (1), and at least two pairs of magnets which in the revolving direction (5) are disposed at different positions on a rotatable part (15) of the encoder system (1), wherein the pairs of magnets comprise in each case a first magnet (35) and a second magnet (37); and a position encoder having a magnetic field sensor (43) which is disposed on the stationary part (13), and a magnetic strip (47) which is disposed on the rotatable part (15); wherein, in each pair of magnets, the first magnet (35), the magnetic strip (47) of the position encoder, and the second magnet (37) in terms of a first direction are disposed in this sequence on the rotatable part (15).
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: May 28, 2024
    Assignee: WITTENSTEIN SE
    Inventors: Tobias Gromes, Ralf Kruse, Ingolf Gröning
  • Patent number: 11892058
    Abstract: A coaxial gear mechanism (1) includes a toothing (5) which is oriented axially with respect to an axis of rotation (3) of the coaxial gear mechanism (1), a tooth carrier (7) which in each case has axially oriented guides (9), and tooth pins (11) which each comprise a body (50), which is mounted so as to be axially displaceable in a guide (9) of the tooth carrier (7), and a head region (51), wherein the head region (51) includes at least one tooth (52) for engagement with the toothing (5), and wherein the tooth carrier (7) wherein the tooth carrier has an irregular angular pitch.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: February 6, 2024
    Assignee: WITTENSTEIN SE
    Inventors: Michael Schmidt, Martin Kimmelmann, Andreas Kümmeth
  • Patent number: 11885379
    Abstract: A device (1) for connecting a toothing part (3) to a shaft (5) for conjoint rotation with the latter, having a toothing part (3) with a circular bore, a shaft (5) which has: a cylindrical receiving portion (4) for receiving the toothing part (3), and a cylindrical recess (8) in the shaft (5), which cylindrical recess (8) extends at least substantially over the entire length of the receiving portion (4), and a press-in cylinder (10) which can be pressed into the recess (8) and which has an oversize in relation to the recess (8).
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: January 30, 2024
    Assignee: WITTENSTEIN SE
    Inventors: Klaus Völker, Philipp Farrenkopf, Florian Schmidt
  • Publication number: 20230375083
    Abstract: Gearbox (1) having a tooth carrier (40) for receiving teeth (7) of a gear ring that are disposed about a rotation axis (5) of the gearbox, wherein the teeth (7) are disposed in the tooth carrier (11) so as to be displaceable and guided in the radial direction, a cam disk (20) which is rotatable about the rotation axis (5) and for driving the teeth (7) in the radial direction has a cam curvature that is variable over the circumference, wherein bearing segments (24) which are mounted so as to slide on the cam disk (20) are disposed between the teeth (7) and the cam disk (20), and wherein the bearing segments (24) have a contact region which has a concave curvature and is disposed so as to be centric on a running surface that faces the cam disk (20), wherein the concave curvature is larger than the smallest cam curvature of the cam disk, and smaller than the largest cam curvature of the cam disk.
    Type: Application
    Filed: October 5, 2021
    Publication date: November 23, 2023
    Applicant: WITTENSTEIN SE
    Inventors: Heiko Schreiber, Michael Schmidt, Thomas Bayer
  • Patent number: 11686371
    Abstract: Coaxial gear mechanism (1), having a toothing (5) oriented axially with respect to an axis of rotation (3) of the coaxial gear mechanism (1), a tooth carrier (7) with axially oriented guides (9), tooth pins (11) which each have a body (41), which is mounted in an axially displaceable manner in a guide (9) of the tooth carrier (7), and a head region (51), wherein the head region (51) has at least one tooth (53) for engagement with the toothing (5), and wherein the head region (51) is configured to be wider than the body (41).
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: June 27, 2023
    Assignee: Wittenstein SE
    Inventors: Michael Schmidt, Martin Kimmelmann, Heiko Schreiber, Thomas Bayer
  • Patent number: 11674574
    Abstract: A coaxial gear (1), includes an axially oriented tooth system (5) with respect to a rotational axis (3) of the coaxial gear (1), a tooth carrier (7) having axially oriented guideways (9), tooth pins (11) received within the guideways (9) for engaging with the tooth system (5), wherein the tooth pins (11) are axially oriented within the guideways (9) by their respective longitudinal axes and are mounted within the guideways (9) in an axially displaceable manner, and a cam disc (15) rotatable about the rotational axis (3) for axially driving the tooth pins (11), wherein a plurality of bearing segments (17) is disposed between the cam disc (15) and the tooth pins (11) for bearing the tooth pins (11), and wherein, on a side facing the tooth pins, the bearing segments (17) have an elevation at least in sections formed as a spherical cap for bearing the respective tooth pin (11).
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: June 13, 2023
    Assignee: WITTENSTEIN SE
    Inventors: Martin Kimmelmann, Andreas Kümmeth, Michael Schmidt, Thomas Rossmeißl
  • Patent number: 11655911
    Abstract: Linear drive, in particular for converting a rotational movement into a linear movement for actuating a valve including a shut-off slide, having a crank mechanism, the linear drive comprising a first crankshaft associated with a piston rod via a first connecting rod, a second crankshaft associated with the piston rod via a second connecting rod, and a planetary gear for rotationally driving the first crankshaft and the second crankshaft.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: May 23, 2023
    Assignee: WITTENSTEIN SE
    Inventor: Tobias Gehrig
  • Patent number: 11635132
    Abstract: Coaxial gear mechanism (1), with a toothing (5) oriented axially relative to a rotational axis (3) of the coaxial gear mechanism (1), a tooth carrier (7) with axially oriented guides (9), teeth (11) which are received in the guides (9) for engagement with the toothing (5), wherein the teeth are oriented with their respective longitudinal axes (13) axially in the guides (9) and are mounted so as to be axially movable in the guides (9), and a cam disk (15) which is rotatable about the rotational axis (3) for axially driving the teeth (11), wherein a plurality of bearing segments (17) is arranged between the cam disk (15) and the teeth (11) for supporting the teeth (11).
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: April 25, 2023
    Assignee: WITTENSTEIN SE
    Inventors: Michael Schmidt, Thomas Bayer, Heiko Schreiber
  • Patent number: 11619285
    Abstract: Coaxial gear mechanism, with a toothing system which is oriented axially with regard to a rotational axis of the coaxial gear mechanism; a tooth carrier with axially oriented guides; teeth which are received in the guides for engagement with the toothing system, the teeth being oriented with their respective longitudinal axes axially in the guides and being mounted in the guides such that they can be displaced axially; a cam disc which can be rotated about the rotational axis for the axial drive of the teeth; and a housing, in which a setting element for mounting the cam disc is provided, at least one bearing with rolling bodies being arranged between the setting element and the cam disc.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 4, 2023
    Assignee: WITTENSTEIN SE
    Inventors: Thomas Bayer, Michael Schmidt, Andreas Kuemmeth, Thomas Rossmeißl
  • Patent number: 11619292
    Abstract: A gearing, in particular a coaxial gearing or a linear gearing, comprising a tooth system, a tooth carrier having guides, teeth received within the guides for engagement with the tooth system, wherein the teeth are mounted within the guides to be displaceable in the direction of their longitudinal axis relative to the tooth carrier, a cam disk for driving the teeth along the respective longitudinal axis of the teeth, wherein at least one of the teeth respectively has a tooth flank area having tooth flanks, and a tooth body, wherein, between the tooth body and the tooth flanks, one shoulder respectively is provided, which projects back from the tooth body to the inside towards the tooth flank.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: April 4, 2023
    Assignee: WITTENSTEIN SE
    Inventors: Heiko Schreiber, Andreas Kümmeth, Tobias Röthlingshöfer
  • Publication number: 20230095996
    Abstract: Coaxial gear mechanism (1) includes a toothing (5) which is oriented axially with respect to an axis of rotation (3) of the coaxial gear mechanism (1), a tooth carrier (7) which in each case has axially oriented guides (9), and tooth pins (11) which each comprise a body (50), which is mounted so as to be axially displaceable in a guide (9) of the tooth carrier (7), and a head region (51), wherein the head region (51) includes at least one tooth (52) for engagement with the toothing (5), and wherein the tooth carrier (7) wherein the tooth carrier has an irregular angular pitch.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 30, 2023
    Applicant: WITTENSTEIN SE
    Inventors: Michael Schmidt, Martin Kimmelmann, Andreas Kümmeth
  • Publication number: 20220349457
    Abstract: Gear mechanism (1) having a toothing (5), a tooth carrier (11) accommodating a plurality of teeth (7) for engagement with the toothing, the teeth (7) being radially displaceable relative to the tooth carrier (11), a drive input with a profiling (22) for radially driving the teeth (7), and bearing segments (24) for mounting the teeth on the profiling. Each bearing segment includes a running side oriented in the direction of the profiling and a bearing side opposite the running side, a tooth bearing arranged on the bearing side for articulated mounting of at least one of the teeth, the tooth bearing including a bead which is at least substantially in the shape of a cylinder section and arranged from a first side edge to a second side edge of the bearing segment transverse to a running direction of the bearing segment. The bead is in a central region between the first and second side edges and has a first and/or second recess on a first and/or second side of the central region.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 3, 2022
    Applicant: WITTENSTEIN SE
    Inventor: Heiko Schreiber
  • Patent number: D1045793
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: October 8, 2024
    Assignee: WITTENSTEIN SE
    Inventor: Matyas Magyar
  • Patent number: D1056959
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: January 7, 2025
    Assignee: WITTENSTEIN SE
    Inventor: Matyas Magyar