Patents Assigned to SRAM, LLC
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Patent number: 11072203Abstract: Example bicycle sprocket assemblies are described herein. An example sprocket assembly includes a cassette formed by a plurality of sprockets arranged in increasing diameter order from a first end to a second end of the cassette opposite the first end. The cassette has a passageway extending between a first opening in the first end and a second opening in the second end to receive a driver hub. An outboard portion of the passageway is formed between a midpoint of the cassette and the first end of the cassette. The cassette further includes a torque transmitting profile located within the outboard portion of the passageway to interface with the driver hub. The sprocket assembly also includes a bushing to be disposed within the second opening to form a non-torque transmitting interface between the second end of the cassette and the driver hub.Type: GrantFiled: August 22, 2018Date of Patent: July 27, 2021Assignee: SRAM, LLCInventors: Scott Bots, Kevin Wesling
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Publication number: 20210222770Abstract: A control device wearable by a bicycle rider, the control device including at least one control sensor generating input signals when actuated. A control processor is connected to the at least one control sensor generating control signals responsive to the input signals. A wireless transmitter is in communication with the processor transmitting the control signals and a power source is connected to the shift control processor and the wireless transmitter. The control device may one or more of a control gear changer, one or more suspension component, and other electronically-controllable components or systems.Type: ApplicationFiled: April 1, 2021Publication date: July 22, 2021Applicant: SRAM, LLCInventor: KEVIN WESLING
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Patent number: 11066121Abstract: A fluid cylinder assembly for a hydraulic actuation system for a bicycle is provided. The fluid cylinder assembly includes a fluid cylinder. The fluid cylinder includes a housing and a piston that is movable within the housing. The fluid cylinder assembly also includes a force applicator connected to the piston of the fluid cylinder, a support, and an actuator pivotably attached to the support. The actuator is operatively connected to the piston of the fluid cylinder via the force applicator, such that the actuator is configured to translate the piston from a first position to a second position when the actuator is actuated. The fluid cylinder is attachable to a handlebar of the bicycle, such that part of the fluid cylinder is positioned within the handlebar and at least part of the force applicator is radially outer relative to the handlebar.Type: GrantFiled: May 29, 2020Date of Patent: July 20, 2021Assignee: SRAM, LLCInventor: Braden Snead
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Publication number: 20210214041Abstract: Example bicycle suspension components are described herein. An example damper for a bicycle suspension component includes a damper body and a damper member disposed in the damper body to control a flow of fluid between a first chamber and a second chamber in the damper body. The damper member includes a damper member body and a flow member movable relative to the damper member body along an axis of movement. The damper member body has a set of radial openings distributed circumferentially around the damper member body. The radial openings define flow paths that are transverse to the axis of movement. The flow member is movable between a first position in which the radial openings are unblocked and a second position in which the radial openings are blocked.Type: ApplicationFiled: January 11, 2021Publication date: July 15, 2021Applicant: SRAM, LLCInventor: DEVON SULLIVAN
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Publication number: 20210188393Abstract: An electronic control device may be configured to be integrated, or coupled, with a bicycle to control bicycle components. The electronic control device may wirelessly control bicycle components to trigger an action when actuated. The electronic control device may be dimensioned to have a mating surface contoured to matingly engage with a mounting surface of a bicycle, such as on a handlebar. The electronic control device may also be dimensioned to have a compact and/or concealed appearance aided by a low profile relative to the bicycle mounting surface selected for the control device.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: SRAM, LLCInventor: SAGE HAHN
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Patent number: 11040754Abstract: Example dampers for bicycle suspension components are described herein. An example damper includes a damper body defining a chamber, a shaft extending into the chamber of the damper body, and an adjustable piston system having a piston body coupled to the shaft. The adjustable piston system controls a flow of fluid between the first and second chambers. The adjustable piston system includes an adjustable rebound orifice forming part of a rebound flow path to control the flow of fluid from the first chamber to the second chamber across the piston body, an adjustable compression orifice forming part of a low flow compression flow path to control the flow of fluid from the second chamber to the first chamber across the piston body, an isolation member to separate the rebound flow path and the low flow compression flow path.Type: GrantFiled: January 18, 2019Date of Patent: June 22, 2021Assignee: SRAM, LLCInventor: Timothy Lynch
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Publication number: 20210178806Abstract: A rim assembly for a bicycle wheel includes a rim, a first protruding tire retaining feature attached to a first surface of the rim, and a second protruding tire retaining feature attached to a second surface of the rim. The first surface is a surface of a first tire retaining wall of a radially outer tire engaging portion of the rim, and the second surface is a surface of a second tire retaining wall of the radially outer tire engaging portion. The second surface faces the first surface. The first protruding tire retaining feature and the second protruding tire retaining feature are made of a first material, and the first tire retaining wall and the second tire retaining wall are made of a second material. The second material is different than the first material.Type: ApplicationFiled: December 11, 2019Publication date: June 17, 2021Applicant: SRAM, LLCInventors: PATRICK BRADY, MICHAEL HALL, DAVID MORSE, MIGUEL NAVARRO BAEZA
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Publication number: 20210179226Abstract: Example bicycle suspension components and control devices are described herein. An example shock absorber includes a damper body defining a first chamber and a reservoir defining a second chamber. A flow path is defined between the first chamber and the second chamber. The example shock absorber also includes a flow control member disposed in the flow path and a motor to operate the flow control member to affect fluid flow between the first chamber and the second chamber.Type: ApplicationFiled: December 17, 2019Publication date: June 17, 2021Applicant: SRAM, LLCInventors: MARK SANTURBANE, GEOFF NICHOLS, CHRISTOPHER SHIPMAN, JEFFREY JOHN BALTES
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Publication number: 20210179222Abstract: Example bicycle suspension components and electronic monitoring devices are described herein. An example electronic monitoring device includes a housing defining a chamber. The housing is to be coupled to a suspension component. The electronic monitoring device includes a circuit board disposed in the chamber and a sensor electrically coupled to the circuit board. The sensor is to measure a characteristic of the suspension component. The electronic monitoring device also includes a battery holder coupled to the circuit board.Type: ApplicationFiled: December 17, 2019Publication date: June 17, 2021Applicant: SRAM, LLCInventors: MARK SANTURBANE, BRIAN JORDAN, KEVIN WESLING
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Publication number: 20210171149Abstract: A bicycle subassembly includes a bicycle component having a socket and a tube having a first tube portion received in the socket and a second tube portion extending outwardly from the socket. The tube includes a cold worked region spanning at least a portion of the first tube portion and at least a first portion of the second tube portion. The tube includes a non-cold worked region spanning at least a second portion of the second tube portion. Methods for making the tube and subassembly are also provided.Type: ApplicationFiled: December 9, 2019Publication date: June 10, 2021Applicant: SRAM, LLCInventors: CHRISTOPHER THOMAS, JOSH LAU, SARAH BLAKESLEE
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Patent number: 11027792Abstract: A bicycle control system may be configured to automatically control a bicycle, or components thereof. The bicycle control system may include a system control device configured to provide a simplified shifting system wherein large changes in speed associated with starting and stopping do not require the full attention of the automatic shifting system. The shifting system, or a system control device configured for controlling the shifting system, may be configured to determine when to enter an automatic shifting control mode, establish parameters for the automatic shifting of the automatic shifting control mode, and/or compare detected activities and values of the bicycle to the established parameters.Type: GrantFiled: June 19, 2019Date of Patent: June 8, 2021Assignee: SRAM, LLCInventor: Kevin Wesling
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Patent number: 11027717Abstract: A normally closed port valve seals a hydraulic hose connection port of a hydraulic bicycle component. Connection of an end of a hydraulic hose assembly to the port opens the valve, placing the assembly's hydraulic fluid chamber in fluid communication with the interior of the hose assembly. A hydraulic cylinder of the assembly is in fluid communication with the chamber. A spring may be used to bias the valve to a closed condition.Type: GrantFiled: July 31, 2019Date of Patent: June 8, 2021Assignee: SRAM, LLCInventors: Adam Bradley, Paul Gallagher
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Publication number: 20210163100Abstract: A wireless control system for a bicycle may include a base part attachable to a bicycle and a movable part. The control system may also include an electric motor disposed on the electromechanical component and a control unit disposed on the electromechanical component for operating the electric motor to operate the electromechanical component, the control unit including a wireless receiver. The control system includes a wake sensor connected to the control unit, the wake sensor configured to communicate a wake signal to the control unit.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Applicant: SRAM, LLCInventors: BRIAN JORDAN, TODD SQUIRES
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Patent number: 11021214Abstract: A bicycle system includes controller devices. Each controller device includes at least one respective input element configured to receive input from a user. The system includes operation-enacting devices. Each operation-enacting device is configured to enact at least one respective operation on the bicycle. The system includes a network coordinator device configured to (i) establish a wireless network for communications between the network coordinator device, the controller devices, and the operation-enacting devices, and (ii) transmit to the operation-enacting devices, via the wireless network, a roster identifying the controller devices and the operation-enacting devices paired to the wireless network. The controller devices are configured to transmit to the operation-enacting devices, via the wireless network, signals indicating input received by the input elements of the controller devices.Type: GrantFiled: February 5, 2019Date of Patent: June 1, 2021Assignee: SRAM, LLCInventor: Alexander Kon-I Ho
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Publication number: 20210155315Abstract: An e-bike interface is a hybrid wired/wireless e-bike control system that integrates wireless bicycle components into operation of an e-bike. The e-bike interface provides a frame-mounted control and display that is wired to, for example, an assist motor and a battery, and provides a wireless communication bridge between wireless bicycle components and corresponding wireless controls located on a handlebar.Type: ApplicationFiled: November 23, 2020Publication date: May 27, 2021Applicant: SRAM, LLCInventors: SAGE HAHN, SVEN BAUMANN, DOMINIQUE FUSS, JOCHEN BIERWERTH
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Patent number: 11015705Abstract: A bicycle control system may be provided to control a first gear changer with a control unit and a second gear changer with the first gear changer. The control unit may control both first and second gear changers. The system includes a predetermined shift path and may transition in and out of the predetermined shift path responsive to various controls. Shifts out of the predetermined shift path may be recovery shifts where both first and second gear changers are controlled.Type: GrantFiled: January 18, 2019Date of Patent: May 25, 2021Assignee: SRAM, LLCInventor: Alexander Kon-I Ho
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Patent number: 11001327Abstract: Example pedal detection devices for bicycles are described herein. An example a pedal detection device includes an electronics module to be disposed in a spindle of a crankset of the bicycle. The electronics module includes a sensor to detect angular velocity and/or position of the spindle, a driver, and an expander wedge movably coupled to the electronics module via the driver. Axial movement of the expander wedge relative to the electronics module causes the expander wedge to expand radially.Type: GrantFiled: February 19, 2020Date of Patent: May 11, 2021Assignee: SRAM, LLCInventors: Mark Santurbane, Mason Pluimer, Geoff Nichols, Kevin Wesling, Brian Jordan
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Patent number: 10988209Abstract: A bicycle control system includes a housing having an upper mounting surface and housing a brake actuation system. A lever is pivotally coupled to the housing about an axis and is operably coupled to the brake actuation system. An electronic module includes a housing releasably coupled to the upper mounting surface. The housing sealingly encloses at least one electronic component. The lever may be pivotally coupled to the housing about both a shift axis and a brake axis, wherein the shift axis and the brake axis being non-orthogonal. A bicycle control kit includes different first and second electronic modules.Type: GrantFiled: March 11, 2020Date of Patent: April 27, 2021Assignee: SRAM, LLCInventors: Nathan Luman, Christopher Shipman, Patrick Gruse
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Patent number: 10982751Abstract: A control device wearable by a bicycle rider, the control device including at least one control sensor generating input signals when actuated. A control processor is connected to the at least one control sensor generating control signals responsive to the input signals. A wireless transmitter is in communication with the processor transmitting the control signals and a power source is connected to the shift control processor and the wireless transmitter. The control device may one or more of a control gear changer, one or more suspension component, and other electronically-controllable components or systems.Type: GrantFiled: January 25, 2013Date of Patent: April 20, 2021Assignee: SRAM, LLCInventor: Kevin Wesling
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Patent number: 10981625Abstract: A bicycle rear derailleur or gear changer may include a mounting portion mountable to a bicycle frame, an electrical portion attached to the mounting portion and including power supply alignment and attachment features, and an electrical cable electrically connected to the electrical portion and electrically connectable to a printed circuit board (PCB) of a movable member movably coupleable to the mounting portion. The mounting portion and the electrical portion may be formed of different materials.Type: GrantFiled: September 28, 2018Date of Patent: April 20, 2021Assignee: SRAM, LLCInventors: Joshua Brown, Paul Feuerstein, David Reyes