Patents by Inventor Stefan Spahr
Stefan Spahr 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: 9731546Abstract: A bicycle spoke has a spoke body having two remote ends, a rim end, and a hub end. The elongated body includes a longitudinally flattened cross-section. The body includes a first end portion thickness at the hub end transverse to a longitudinal plane. The body includes a second end portion thickness at the rim-side end transverse to the longitudinal plane. The body includes in a first center region disposed closer to the first end portion than to the second end portion, a first center region thickness transverse to the longitudinal plane that is less than the first end portion thickness. In a second center region disposed closer to the second end portion than to the first end portion, the body has the flattened cross-section wherein the second center region includes a second center region thickness transverse to the longitudinal plane that is less than the first center region thickness.Type: GrantFiled: March 4, 2016Date of Patent: August 15, 2017Assignee: DT SWISS INC.Inventors: Stefan Spahr, Martin Walthert
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Patent number: 9616963Abstract: A quick release device for at least partially muscle-powered two-wheeled vehicles such as bicycles, having an axle unit and a clamping mechanism. The axle unit includes an axle extending axially, a locking means at a first end of the axle unit and a fastener at a second end of the axle unit. The clamping mechanism is suitable for mounting and demounting the axle unit to a two-wheeled vehicle. The clamping mechanism includes an operating lever and a clamping component connected therewith. The clamping component can be non-rotatably coupled with the axle unit and can be decoupled from the axle unit. The operating lever of the clamping mechanism can be moved from an engagement position in which it is non-rotatably connected with the clamping component to a rotary position in which it is freely rotatable relative to the clamping component, while the clamping component is non-rotatably coupled with the axle unit.Type: GrantFiled: August 21, 2015Date of Patent: April 11, 2017Assignee: DT SWISS INC.Inventors: Martin Walthert, Stefan Spahr, Matthias Meier
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Patent number: 9604495Abstract: A hub and wheel equipped with a hub body and an axle that rotatably receives the hub body. The hub body is provided with two circumferential hub flanges which accommodate and define an orientation of multiple spokes. Each of the spokes including a spoke body and a flattened spoke head. The hub flange is configured to fix the flattened spoke head to only one axial side wall.Type: GrantFiled: April 2, 2012Date of Patent: March 28, 2017Assignee: DT SWISS INC.Inventors: Stefan Spahr, Thomas Gasser
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Publication number: 20160257164Abstract: A bicycle spoke has a spoke body having two remote ends, a rim end, and a hub end. The elongated body includes a longitudinally flattened cross-section. The body includes a first end portion thickness at the hub end transverse to a longitudinal plane. The body includes a second end portion thickness at the rim-side end transverse to the longitudinal plane. The body includes in a first center region disposed closer to the first end portion than to the second end portion, a first center region thickness transverse to the longitudinal plane that is less than the first end portion thickness. In a second center region disposed closer to the second end portion than to the first end portion, the body has the flattened cross-section wherein the second center region includes a second center region thickness transverse to the longitudinal plane that is less than the first center region thickness.Type: ApplicationFiled: March 4, 2016Publication date: September 8, 2016Inventors: Stefan SPAHR, Martin WALTHERT
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Patent number: 9421817Abstract: A wheel for at least partially muscle-powered vehicles and two-wheeled vehicles includes a hub and a rim having a plurality of spoke holes and a plurality of spoke systems for connecting the hub with the rim. A spoke system includes a spoke and a spoke nipple. A reinforcing unit with a through hole between the rim and the spoke nipple is provided. The reinforcing unit is a disk-type and is configured curved about at least one longitudinal axis. The reinforcing unit has a convex inner rim contact surface for bearing against a concave orientation area of the rim matched thereto. The reinforcing unit has a concave outside surface at which a nipple accommodation is provided at a depression having a concave nipple contact surface with a narrower curvature for accommodating a matching, convex supporting area of the spoke nipple.Type: GrantFiled: February 18, 2014Date of Patent: August 23, 2016Assignee: DT SWISS INC.Inventors: Martin Walthert, Stefan Spahr
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Patent number: 9370968Abstract: A hub for two-wheeled vehicles with a hub body and method of manufacturing, wherein the hub body is rotatably supported on the axle via at least one bearing. The hub body includes a first forged component and a second forged component, wherein the first and second forged components are connected with one another through at least one sleeve and wherein both of the forged components have a plurality of fastening flanges protruding outwardly for fastening spoke units.Type: GrantFiled: August 28, 2012Date of Patent: June 21, 2016Assignee: DT SWISS INC.Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20160144661Abstract: A bicycle component includes a hub shell for a wheel of an at least partially muscle-powered bicycle, wherein the hub shell is rotatably supported by at least one bearing device. An adapter unit is disposed on one end of the hub shell. The adapter unit includes an inner stopper having an inner stop face for transferring a clamping force to the bearing device and an outer stopper with an outer stop face transmitting at least part of the clamping force. The adapter unit includes a first and a second stopper component transmitting the clamping force.Type: ApplicationFiled: November 24, 2015Publication date: May 26, 2016Inventors: Martin WALTHERT, Stefan SPAHR, Simon HAAS
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Publication number: 20160052588Abstract: A quick release device for at least partially muscle-powered two-wheeled vehicles such as bicycles, having an axle unit and a clamping mechanism. The axle unit includes an axle extending axially, a locking means at a first end of the axle unit and a fastener at a second end of the axle unit. The clamping mechanism is suitable for mounting and demounting the axle unit to a two-wheeled vehicle. The clamping mechanism includes an operating lever and a clamping component connected therewith. The clamping component can be non-rotatably coupled with the axle unit and can be decoupled from the axle unit. The operating lever of the clamping mechanism can be moved from an engagement position in which it is non-rotatably connected with the clamping component to a rotary position in which it is freely rotatable relative to the clamping component, while the clamping component is non-rotatably coupled with the axle unit.Type: ApplicationFiled: August 21, 2015Publication date: February 25, 2016Inventors: Martin WALTHERT, Stefan SPAHR, Matthias MEIER
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Patent number: 9212708Abstract: A hub for at least partially muscle-powered vehicles having a hub axle, a hub body, a rotatable driving device, and a freewheel device. The freewheel device includes a first and a second engagement component cooperating with one another having at least one axial toothing each. The freewheel device is biased to the engaging position via a magnetic biasing device. A first magnetic device biases the first engagement component and a second magnetic device biases the second engagement component to the engaging position. At least one magnetic component comprises a carrier unit and a multitude of magnetic units disposed thereat.Type: GrantFiled: August 26, 2013Date of Patent: December 15, 2015Assignee: DT Swiss Inc.Inventors: Stefan Spahr, Martin Walthert
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Patent number: 9182016Abstract: A drive hub for two-wheeled vehicles with a hub body and with a fixed axle and with a sprocket carrier on which a plurality of sprockets is provided. The sprocket carrier is rotatably supported on the axle by way of at least one bearing. The sprocket carrier includes a circumferentially closed sleeve device on which at least one sprocket is disposed radially outwardly and on which two axially spaced bearings are provided radially inwardly for rotatably supporting the sprocket carrier on the axle via the bearings.Type: GrantFiled: August 27, 2012Date of Patent: November 10, 2015Assignee: DT Swiss Inc.Inventors: Stefan Spahr, Martin Walthert
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Patent number: 9010875Abstract: A hub with a hub body, the hub body having two end units and a tubular center part, and the center part being disposed between, and received at, the end units. At least one end unit includes a tubular inserting portion onto which the center part having a tubular slip-on portion is pushed. The inserting portion and the slip-on portion overlap in an overlapping region.Type: GrantFiled: March 9, 2012Date of Patent: April 21, 2015Assignee: DT Swiss Inc.Inventors: Stefan Spahr, Thomas Gasser
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Publication number: 20150054254Abstract: A quick release mechanism for at least partially muscle-powered two-wheeled vehicles such as bicycles having a through axle extending in the axial direction, a clamping device at a first end of the through axle and a fastener at the second end of the through axle and with a clamping mechanism for clamping the clamping device. The clamping device includes an engaging section for applying a clamping force from the clamping mechanism to the clamping device and a clamping section with an annular pressure area for clamping. The clamping device has a tubular mounting section extending from the clamping section in the direction of the second end of the through axle and to which the through axle is attached.Type: ApplicationFiled: August 21, 2014Publication date: February 26, 2015Inventors: Stefan Spahr, Jerome Hoffmann
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Patent number: 8936144Abstract: Hub for two-wheeled vehicles having a hub axle and a hub body and a rotor and with a toothed disk freewheel comprising a pair of interacting engagement components each comprising one axial toothing. The engagement components are biased in the engagement position via a biasing device. The one of the engagement components is received at the hub body to be non-rotatable and axially displaceable and the other of the engagement components is provided non-rotatable at the rotor for transmitting a rotary motion from the rotor to the hub body in the engagement position of the two engagement components. At least one engagement component is configured as a toothed disk and is provided with the axial toothing and has an axial width which is at least the size of half the outer radius of the axial toothing.Type: GrantFiled: August 14, 2012Date of Patent: January 20, 2015Assignee: DT Swiss Inc.Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20140239703Abstract: A wheel for at least partially muscle-powered vehicles and two-wheeled vehicles includes a hub and a rim having a plurality of spoke holes and a plurality of spoke systems for connecting the hub with the rim. A spoke system includes a spoke and a spoke nipple. A reinforcing unit with a through hole between the rim and the spoke nipple is provided. The reinforcing unit is a disk-type and is configured curved about at least one longitudinal axis. The reinforcing unit has a convex inner rim contact surface for bearing against a concave orientation area of the rim matched thereto. The reinforcing unit has a concave outside surface at which a nipple accommodation is provided at a depression having a concave nipple contact surface with a narrower curvature for accommodating a matching, convex supporting area of the spoke nipple.Type: ApplicationFiled: February 18, 2014Publication date: August 28, 2014Applicant: DT SWISS INC.Inventors: Martin Walthert, Stefan Spahr
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Patent number: 8696213Abstract: A hub, in particular for bicycles having a hub shell and two bearings received therein on bearing seats for rotatably supporting relative to a through axle, wherein the two bearings are retained at a defined axial distance by means of a sleeve. A radial spacer device is provided to reduce radial play of the sleeve in the hub shell and to facilitate inserting the through axle.Type: GrantFiled: April 22, 2009Date of Patent: April 15, 2014Assignee: DT Swiss Inc.Inventor: Stefan Spahr
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Publication number: 20140060992Abstract: A hub for at least partially muscle-powered vehicles having a hub axle, a hub body, a rotatable driving device, and a freewheel device. The freewheel device includes a first and a second engagement component cooperating with one another having at least one axial toothing each. The freewheel device is biased to the engaging position via a magnetic biasing device. A first magnetic device biases the first engagement component and a second magnetic device biases the second engagement component to the engaging position. At least one magnetic component comprises a carrier unit and a multitude of magnetic units disposed thereat.Type: ApplicationFiled: August 26, 2013Publication date: March 6, 2014Applicant: DT SWISS INC.Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20140062164Abstract: A hub is provided for two-wheeled vehicles having a hub axle, a hub body, a rotatable driving device, and having a toothed disk freewheel. The toothed disk freewheel includes a pair of engagement components cooperating with one another, each having at least one axial toothing. The axial toothings are biased to an engaging position via a biasing device. The biasing device is configured as a pulling force device which pulls both axial toothings together.Type: ApplicationFiled: August 26, 2013Publication date: March 6, 2014Applicant: DT SWISS INC.Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20130221732Abstract: A hub for two-wheeled vehicles with a hub body and method of manufacturing, wherein the hub body is rotatably supported on the axle via at least one bearing. The hub body includes a first forged component and a second forged component, wherein the first and second forged components are connected with one another through at least one sleeve and wherein both of the forged components have a plurality of fastening flanges protruding outwardly for fastening spoke units.Type: ApplicationFiled: August 28, 2012Publication date: August 29, 2013Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20130225343Abstract: A drive hub for two-wheeled vehicles with a hub body and with a fixed axle and with a sprocket carrier on which a plurality of sprockets is provided. The sprocket carrier is rotatably supported on the axle by way of at least one bearing. The sprocket carrier includes a circumferentially closed sleeve device on which at least one sprocket is disposed radially outwardly and on which two axially spaced bearings are provided radially inwardly for rotatably supporting the sprocket carrier on the axle via the bearings.Type: ApplicationFiled: August 27, 2012Publication date: August 29, 2013Inventors: Stefan Spahr, Martin Walthert
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Publication number: 20130105266Abstract: Hub for two-wheeled vehicles having a hub axle and a hub body and a rotor and with a toothed disk freewheel comprising a pair of interacting engagement components each comprising one axial toothing. The engagement components are biased in the engagement position via a biasing device. The one of the engagement components is received at the hub body to be non-rotatable and axially displaceable and the other of the engagement components is provided non-rotatable at the rotor for transmitting a rotary motion from the rotor to the hub body in the engagement position of the two engagement components. At least one engagement component is configured as a toothed disk and is provided with the axial toothing and has an axial width which is at least the size of half the outer radius of the axial toothing.Type: ApplicationFiled: August 14, 2012Publication date: May 2, 2013Inventors: Stefan Spahr, Martin Walthert