Patents Assigned to SRAM, LLC
  • CHAINRING
    Publication number: 20170305498
    Abstract: A bicycle chainring for engagement with a drive chain includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the periphery of the chainring. The plurality of teeth include a first group of teeth and a second group of teeth.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Applicant: SRAM, LLC
    Inventors: MARKUS REITER, RAYMOND FLORCZYK, HENRIK BRAEDT
  • BRAKE ROTOR
    Publication number: 20170299005
    Abstract: A brake rotor has a circumferential brake track disposed about an axis of rotation of the brake rotor. The rotor has an outer peripheral edge circumferentially around the brake rotor. The rotor has two surfaces that face axially outward away from one another and that are on axially opposed sides of the brake rotor. The two surfaces define a thickness therebetween. The rotor has an edge surface facing radially outward on the outer peripheral edge. The rotor has a transition between each of the two surfaces and the edge surface. At least a portion of the edge surface is not perpendicular to the two surfaces in an axial direction.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 19, 2017
    Applicant: SRAM, LLC
    Inventors: KEVIN WESLING, YENPANG LIU, CHARLES DUNLAP
  • BICYCLE POWER METER
    Publication number: 20170292879
    Abstract: A power meter for a bicycle includes a body having a torque input section and a torque output section, the body configured to transmit power between the torque input section and the torque output section. The power meter also includes a printed circuit board (“PCB”) having a substrate and at least one strain measurement device attached to the PCB.
    Type: Application
    Filed: April 12, 2016
    Publication date: October 12, 2017
    Applicant: SRAM, LLC
    Inventors: RYAN JENNINGS, JOHN EPPEN, OWEN ANDERS BRITTON
  • BICYCLE POWER METER
    Publication number: 20170292881
    Abstract: A power meter for a bicycle includes a body having a torque input section and a torque output section, the body configured to transmit power between the torque input section and the torque output section. The power meter also includes a printed circuit board (“PCB”) having a substrate and at least one strain measurement device which may be attached to the PCB.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 12, 2017
    Applicant: SRAM, LLC
    Inventors: RYAN JENNINGS, JOHN EPPEN, OWEN ANDERS BRITTON, JESSE PARKER
  • Bicycle power meter
    Patent number: 9784628
    Abstract: A power meter for a bicycle includes a body having a torque input section and a torque output section, the body configured to transmit power between the torque input section and the torque output section. The power meter also includes a printed circuit board (“PCB”) having a substrate and at least one strain measurement device attached to the PCB.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: October 10, 2017
    Assignee: SRAM, LLC
    Inventors: Ryan Jennings, John Eppen, Owen Anders Britton
  • Driver for mounting a multiple sprocket arrangement to a bicycle rear axle arrangement
    Patent number: 9771127
    Abstract: A driver for mounting a multiple sprocket arrangement to a bicycle rear axle arrangement. The multiple sprocket arrangement includes a sprocket assembly having a plurality of sprockets with different numbers of teeth and an adapter. The rear axle arrangement includes a hub. The driver includes an input torque transmitting profile for transmitting torque from between the sprocket assembly and the driver. A positioning section positions the sprocket assembly in the radial direction. External thread threadably receives the adapter and is disposed between the input torque transmitting profile and the positioning section. An output torque transmitting arrangement transmits torque between the driver and the hub.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: September 26, 2017
    Assignee: SRAM, LLC
    Inventor: Henrik Braedt
  • Damper Assembly
    Publication number: 20170259614
    Abstract: A bicycle wheel assembly may include a rim, a hub assembly, a plurality of spokes and a damper assembly. The damper assembly includes a damping element configured to apply a damping force against at least one spoke of the plurality of spokes. The damping force may be applied in an axial direction of the bicycle wheel and/or to a segment of the at least one spoke near the hub assembly.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 14, 2017
    Applicant: SRAM, LLC
    Inventor: Charles Emmett Dunlap, III
  • Damper Assembly
    Publication number: 20170259874
    Abstract: A damper assembly for a bicycle wheel assembly may include a first damper configured to be disposed about a hub assembly of the bicycle wheel assembly. The first damper is configured to apply a first damping force against a spoke segment of at least one spoke of a plurality of spokes of the bicycle wheel assembly. The spoke segment is spaced apart from a spoke attachment member.
    Type: Application
    Filed: March 9, 2017
    Publication date: September 14, 2017
    Applicant: SRAM, LLC
    Inventor: Charles Emmett Dunlap, III
  • Bicycle rear derailleur with a damper assembly
    Patent number: 9751590
    Abstract: A bicycle rear derailleur includes a base member mountable to a bicycle frame. A movable member is movably coupled to the base member. A chain guide assembly is rotatably connected to the movable member for rotation about a rotation axis. A biasing element is configured to bias the chain guide assembly for rotation in a first rotational direction with respect to the movable member. A damper assembly is operatively disposed between the chain guide assembly and the movable member to apply a damping force to the chain guide assembly when the chain guide assembly rotates in a second rotational direction opposite to the first rotational direction. The damper assembly includes a one-way roller clutch assembly disposed coaxially about the rotational axis and a friction unit extending circumferentially over a circumferential angle coaxially about the rotational axis.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 5, 2017
    Assignee: SRAM, LLC
    Inventors: Christopher Shipman, Brian Jordan
  • BICYCLE RIM AND WHEEL HAVING INNER PROTRUSIONS
    Publication number: 20170232790
    Abstract: A rim for a bicycle wheel includes a radially outer tire-engaging portion, a first sidewall, and a second sidewall spaced apart from the first sidewall. The first and second sidewalls may extend radially inward of the radially outer tire-engaging portion. The rim includes a radially inner portion having at least one asymmetric protrusion.
    Type: Application
    Filed: February 12, 2016
    Publication date: August 17, 2017
    Applicant: SRAM, LLC
    Inventors: MICHAEL HALL, DAVID MORSE, RUAN TROUW
  • Chainring
    Patent number: 9731791
    Abstract: A bicycle chainring for engagement with a drive chain includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the periphery of the chainring. The plurality of teeth include a first group of teeth and a second group of teeth, each of the first group of teeth wider than each of the second group of teeth. At least some of the second group of teeth are arranged alternatingly and adjacently between the first group of teeth, and at least some of the first group of teeth are asymmetrically wider than each of the second group of teeth.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: August 15, 2017
    Assignee: SRAM, LLC
    Inventors: Markus Reiter, Raymond Florczyk, Henrik Braedt
  • Chainring
    Patent number: 9731790
    Abstract: A bicycle chainring includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the periphery of the chainring. The plurality of teeth include a first group of teeth and a second group of teeth, each of the first group of teeth wider than each of the second group of teeth, and at least some of the second group of teeth arranged alternatingly and adjacently between the first group of teeth, wherein the center of a top land of at least some of the first and second groups of teeth are offset from a plane in a direction toward one of the inboard and outboard sides of the chainring.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: August 15, 2017
    Assignee: SRAM, LLC
    Inventors: Markus Reiter, Raymond Florczyk, Henrik Braedt
  • BICYCLE RIM
    Publication number: 20170225510
    Abstract: A rim for a bicycle wheel that includes a tire, hub and spokes. The bicycle rim generally 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. The first and second sidewalls extend between the tire engaging and spoke-engaging portions. The tire-engaging and spoke-engaging portions and first and second sidewalls form a toroid. The rim when attached to the tire forms a side profile and a transverse cross section that positions a center of pressure of the rim.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicant: SRAM, LLC
    Inventors: JOSHUA POERTNER, MICHAEL HALL
  • CHAIN GUIDE SENSOR AND METHODS OF CONTROLING A BICYCLE
    Publication number: 20170197685
    Abstract: A gear change mechanism for a bicycle may involve a tensioner that has a wheel engaged with a chain in a bicycle drivetrain. This tensioner may be configured to rotate or otherwise change orientation in response to slack in the chain to maintain tension in the chain. A sensor may be used to measure the orientation of a tensioner of a chain in a bicycle drivetrain, and/or the physical orientation of components indicative thereof. Actions may be triggered by signals generated by the sensor.
    Type: Application
    Filed: January 11, 2016
    Publication date: July 13, 2017
    Applicant: SRAM, LLC
    Inventors: HENRIK BRAEDT, BRIAN JORDAN
  • BRAKE CONTROL APPARATUS
    Publication number: 20170197684
    Abstract: 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: Application
    Filed: March 29, 2017
    Publication date: July 13, 2017
    Applicant: SRAM, LLC
    Inventors: BRIAN T. JORDAN, ANDREAS VONEND, ANDREAS GUENDER
  • Electromechanical rear derailleur
    Patent number: 9676444
    Abstract: An electromechanical rear derailleur is provided for a bicycle, including a base member for attachment to the bicycle along a mounting axis. A movable member has a cage assembly attached thereto. A linkage is provided including pivot axes oriented substantially perpendicular to the mounting axis, the linkage coupling 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 electric motor connected thereto and a transmission is coupled to and actuated by the motor to move the movable member.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 13, 2017
    Assignee: SRAM, LLC
    Inventors: Christopher Shipman, Brian Jordan
  • Chainrings and Crank Assemblies
    Publication number: 20170159792
    Abstract: A chainring for a bicycle includes a body and a plurality. The plurality of teeth are disposed about a periphery of the body. The plurality of teeth have a tooth body formed of a first material and include a load flank. The plurality of teeth also include an insert formed of a second material. The insert is coupled to a tooth body of the plurality of teeth forming a load flank surface of the plurality of teeth.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 8, 2017
    Applicant: SRAM, LLC
    Inventors: Anthony Medaglia, Joseph Wilson
  • Hydraulic rim brake
    Patent number: 9663184
    Abstract: A hydraulically actuated rim brake with a pair of brake arms. Both brake arms may rotate about a common axis, which is the axis of a single bolt that mounts the assembly to the bicycle. The system has one piston slidably disposed in a piston cylinder. The piston's cylinder may be formed in one of the two brake arms. Actuation of the piston in the cylinder causes movement of both brake arms.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: May 30, 2017
    Assignee: SRAM, LLC
    Inventors: Brian Jordan, Christopher Shipman, Neil Swanson
  • Bicycle rim
    Patent number: 9656516
    Abstract: A rim for a bicycle wheel that includes a tire, hub and spokes. The bicycle rim generally 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. The first and second sidewalls extend between the tire engaging and spoke-engaging portions. The tire-engaging and spoke-engaging portions and first and second sidewalls form a toroid. A maximum width of the rim is disposed closer to the spoke-engaging portion than the tire-engaging portion.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: May 23, 2017
    Assignee: SRAM, LLC
    Inventors: Michael Hall, Joshua Poertner
  • Chainring
    Patent number: 9650107
    Abstract: A bicycle chainring includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the periphery of the chainring. The plurality of teeth including a first group of teeth and a second group of teeth, each of the first group of teeth wider than each of the second group of teeth. At least some of the second group of teeth are arranged alternatingly and adjacently between the first group of teeth, each of the plurality of teeth includes an outboard side and an inboard side opposite the outboard side and one of the inboard and outboard sides of each of the second group of teeth includes a link-receiving recess formed in the chainring.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: May 16, 2017
    Assignee: SRAM, LLC
    Inventors: Markus Reiter, Raymond Florczyk, Henrik Braedt