Patents Assigned to SRAM, LLC
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Patent number: 10577053Abstract: A bicycle rear derailleur has a base member mountable to a bicycle frame, a movable member movably coupled to the base member, a chain guide assembly rotatably connected to the movable member, a biasing element configured to bias the chain guide assembly in a first rotational direction relative to the movable member, and a damper device disposed between the chain guide assembly and the movable member. The damper device is operable to apply a damping force to the chain guide assembly when the chain guide assembly rotates in a second rotational direction relative to the movable member. The damper device includes a friction member having a first end and an outer annular surface. The first end is non-rotatably attached to the chain guide assembly. The outer annular surface of the friction member is in frictional engagement with an inner annular surface of the movable member.Type: GrantFiled: June 6, 2017Date of Patent: March 3, 2020Assignee: SRAM, LLCInventors: Joshua Brown, Andrew Samways
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Publication number: 20200062033Abstract: 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: ApplicationFiled: August 22, 2018Publication date: February 27, 2020Applicant: SRAM, LLCInventors: SCOTT BOTS, KEVIN WESLING
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Patent number: 10549803Abstract: A fluid device for a bicycle may be provided to vent fluid from a hydraulic chamber of a seating component such as an adjustable seating assembly for a bicycle. The fluid device may be operable to vent a compressible fluid or a mixed combination flow of compressible and non-compressible fluids in a metered volume. The fluid device may recycle fluids preferentially.Type: GrantFiled: June 25, 2018Date of Patent: February 4, 2020Assignee: SRAM, LLCInventors: Christopher Shipman, Brian Jordan, Kevin Wesling, Rafer Chambers, Jesse Jakomait
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Patent number: 10532610Abstract: A rim for a bicycle includes a radially outer tire-engaging portion, a radially inner spoke-engaging portion, a first sidewall and a second sidewall spaced apart from the first sidewall. A brake track is located on the first and second sidewalls including a plurality of grooves formed therein. Each of the plurality of grooves has a radially innermost point and a radially outermost point, wherein the radially outermost point is circumferentially aft of the radially innermost point relative to a forward circumferential travel direction of the rim.Type: GrantFiled: June 13, 2014Date of Patent: January 14, 2020Assignee: SRAM, LLCInventors: Josh Poertner, Andrew Truemper
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Patent number: 10513311Abstract: An integrated bicycle control device has a handlebar portion of a bicycle handlebar assembly. The handlebar portion has a body with a gripping portion adjacent a distal end of the body and a transition portion spaced from the gripping portion. A compartment may be formed in the transition portion and an opening in the body may permit access to the compartment. An actuator is disposed near the distal end of the gripping portion. A control element and/or other elements or circuitry may be disposed within the compartment.Type: GrantFiled: June 15, 2018Date of Patent: December 24, 2019Assignee: SRAM, LLCInventors: Jochen Bierwerth, Paul Feuerstein
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Patent number: 10513308Abstract: A hydraulic brake control apparatus for attaching to an open ended handlebar of a vehicle, the handlebar having a longitudinal axis. The hydraulic brake control apparatus includes a brake housing that is attachable to the handlebar, the brake housing including a first section residing outside the handlebar, and a second section sized and shaped to be received inside the handlebar.Type: GrantFiled: March 29, 2017Date of Patent: December 24, 2019Assignee: SRAM, LLCInventors: Brian T. Jordan, Andreas Vonend, Andreas Guender
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Publication number: 20190382081Abstract: An integrated bicycle control device has a handlebar portion of a bicycle handlebar assembly. The handlebar portion has a body with a gripping portion adjacent a distal end of the body and a transition portion spaced from the gripping portion. A compartment may be formed in the transition portion and an opening in the body may permit access to the compartment. An actuator is disposed near the distal end of the gripping portion. A control element and/or other elements or circuitry may be disposed within the compartment.Type: ApplicationFiled: June 15, 2018Publication date: December 19, 2019Applicant: SRAM, LLCInventors: JOCHEN BIERWERTH, PAUL FEUERSTEIN
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Publication number: 20190382074Abstract: An integrated bicycle control device has a handlebar portion of a bicycle handlebar assembly. The handlebar portion has a body with a gripping portion adjacent a distal end of the body and a transition portion spaced from the gripping portion. A compartment may be formed in the transition portion and an opening in the body may permit access to the compartment. An actuator is disposed near the distal end of the gripping portion. A control element and/or other elements or circuitry may be disposed within the compartment. The control device may include integrated accessory attachment structure.Type: ApplicationFiled: June 6, 2019Publication date: December 19, 2019Applicant: SRAM, LLCInventors: JOCHEN BIERWERTH, PAUL FEUERSTEIN, MING HSUN WU
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Patent number: 10501144Abstract: A lever assembly for a bicycle may be adjustable. The lever assembly may include an anchoring member, a rod coupled to the anchoring member, and a retaining device applying a clamping force to the anchoring member. The retaining device may include a first extension and a second extension configured to obstruct rotation of the rod about a longitudinal axis of the rod.Type: GrantFiled: November 5, 2015Date of Patent: December 10, 2019Assignee: SRAM, LLCInventor: Braden T. Snead
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Publication number: 20190353676Abstract: An apparatus for determining bicycle pedaling may include a sensor that detects the angular velocity and/or position of a drivetrain or rear sprocket assembly of the bicycle The apparatus may determine values indicative of pedaling. The apparatus may be configured to be housed within a component of the bicycle, such as within a hollow opening of the spindle or crank axle. The apparatus also may include a wireless transmitter to communicate with another component, such as a suspension controller.Type: ApplicationFiled: August 5, 2019Publication date: November 21, 2019Applicant: SRAM, LLCInventors: GEOFF NICHOLS, BRIAN JORDAN, SARAH FANTO
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Publication number: 20190351887Abstract: 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: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Applicant: SRAM, LLCInventors: Adan Bradley, Paul Gallagher
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Patent number: 10480601Abstract: A brake rotor for a bicycle has a brake body formed of a first material and a cooling element with a cooling body, at least part of which is formed of a second material that has a higher thermal conductivity than the first material. The brake body has a generally annular shape with a first axial contact surface. The cooling body is coupled to the first axial contact surface. The cooling body may be in contact with the first axial contact surface around the brake body for a majority of a circumference of the heat dissipation region. The cooling body may be attached to or be an integral part of a carrier coupled to the brake body. The cooling body may include a protrusion.Type: GrantFiled: August 31, 2016Date of Patent: November 19, 2019Assignee: SRAM, LLCInventors: Charles Dunlap, Braden Snead
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Publication number: 20190344615Abstract: A bicycle rim and/or wheel are provided. The bicycle rim and/or wheel includes a single wall formed into the bicycle rim. The wall is formed of composite material having a spoke attachment portion and a tire attachment portion formed therein. The composite material may include at least two different materials, or fibers used as reinforcement material, forming layers of a thickness of the rim.Type: ApplicationFiled: April 30, 2019Publication date: November 14, 2019Applicant: SRAM, LLCInventors: RUAN TROUW, MICHAEL HALL, AARON PACKARD
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Publication number: 20190337590Abstract: Electronic shifting systems, mechanisms and methods of using and/or controlling the systems to operate a bicycle that allows front and rear gear changer mechanisms to be controlled with only two switches. The switches can be arranged so that each hand is only required to operate one switch to shift the bicycle.Type: ApplicationFiled: July 19, 2019Publication date: November 7, 2019Applicant: SRAM, LLCInventor: BRIAN JORDAN
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Publication number: 20190329843Abstract: 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: July 10, 2019Publication date: October 31, 2019Applicant: SRAM, LLCInventors: BRIAN JORDAN, TODD SQUIRES
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Publication number: 20190329841Abstract: An electromechanical rear derailleur is provided for a bicycle, including a base member for attachment to the bicycle. A movable member has a cage assembly attached thereto. A linkage is provided that couples the movable member to the base member and operative to enable movement of the movable member relative to the base member in a direction substantially parallel to the mounting axis. A power source powers an motor module connected thereto to move the movable member and elements thereon.Type: ApplicationFiled: July 9, 2019Publication date: October 31, 2019Applicant: SRAM, LLCInventors: CHRISTOPHER SHIPMAN, BRIAN JORDAN
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Publication number: 20190315428Abstract: Example control devices for operating bicycle components are described herein. An example control device includes a housing having an opening to receive a handlebar of the bicycle and a rotating member rotatably coupled to the housing. The rotating member is rotatable about a first axis. The rotating member is configured to rotate between a first position and a second position to change an operating state of a component. The example control device includes a securing mechanism configured to lock the rotating member in the second position. The example control device also includes a release actuator coupled to the housing. The release actuator has an actuating surface to be engaged by a user and moved along a second axis that intersects the first axis. The release actuator is configured to, when actuated, unlock the securing mechanism to enable the rotating member to rotate back to the first position.Type: ApplicationFiled: April 11, 2018Publication date: October 17, 2019Applicant: SRAM, LLCInventors: DEVON SULLIVAN, MICHAEL VAN ZYL
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Publication number: 20190315435Abstract: An electromechanical control system for a bicycle has a switch device, the switch device operating a switch between at least three positions. A control communication device transmits signals responsive to operation of the switch. The electromechanical control system includes an operation device configured to respond to signals transmitted by the control communication device. Signals transmitted by the control communication device include commands to listen and commands to operate.Type: ApplicationFiled: April 11, 2018Publication date: October 17, 2019Applicant: SRAM, LLCInventor: BRIAN JORDAN
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Publication number: 20190308446Abstract: A rim for a bicycle wheel includes a radially outer tire engaging portion having a first tire retaining portion and a second tire retaining portion spaced apart from the first tire retaining portion. The first tire retaining portion includes a first tire retaining section having a first outer wall and a first tire retaining wall opposite and spaced apart from the first outer wall. The second tire retaining portion includes a second tire retaining section having a second outer wall and a second tire retaining wall opposite and spaced apart from the second outer wall. The radially outer tire engaging portion is made of a composite material. The first outer wall and the first tire retaining wall, and the second outer wall and the second tire retaining wall, respectively, are separated by a material having a lower density than the composite material.Type: ApplicationFiled: April 6, 2018Publication date: October 10, 2019Applicant: SRAM, LLCInventors: DAVID MORSE, MICHAEL HALL, RUAN TROUW
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Patent number: D867936Type: GrantFiled: April 9, 2018Date of Patent: November 26, 2019Assignee: SRAM, LLCInventors: Markus Reiter, Chris Hilton
