Patents Assigned to SRAM, LLC
  • BRAKING SYSTEM FOR A BICYCLE
    Publication number: 20210101658
    Abstract: Example brake systems and apparatus for providing pitch control on bicycles are described herein. An example rear brake caliper described herein includes a caliper housing to be coupled to the bicycle. The caliper housing includes a first port to be fluidly coupled to a first fluid line fluidly coupled to a front brake actuator and a second port to be fluidly coupled to a second fluid line fluidly coupled to a front brake caliper. The rear brake caliper also includes a valve between the first port and the second port. The valve is operable to affect fluid flow between the first port and the second port.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 8, 2021
    Applicant: SRAM, LLC
    Inventors: CHARLES DUNLAP, III, BRIAN JORDAN
  • ELECTRONIC SHIFT CONTROL DEVICE FOR A BICYCLE DERAILLEUR
    Publication number: 20210101660
    Abstract: A control device for a bicycle has a housing configured to be mountable to the bicycle and sized and shaped to be grasped by a user's hand and a battery receptacle positioned on the housing. The housing has a base portion and an extension portion. The base portion includes first and second ends, a downward facing side, an upward facing side, an inward facing side, an outward facing side, and a handlebar clamp disposed at the first end. A battery receptacle is positioned on a first side, which can be the downward facing side, of the base portion of the housing. An accessory port can be positioned on a second side of the base portion of the housing, different from the first side, and which can be the inward or outward facing side of the base portion of the housing.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: SRAM, LLC
    Inventors: RACHEL CAHAN, DOUG MAHONEY
  • TIRE INFLATION DEVICE
    Publication number: 20210094369
    Abstract: An air deflector that is at least partially disposable within a tubeless tire of a bicycle wheel includes a body. The body includes at least one wall defining an air input end and an air output end of the body. The body is attachable to a valve of the tubeless tire at the air input end, such that when air is introduced into the body via the valve, at least some of the air is deflectable by one or more walls of the at least one wall out of the body at the air output end.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Applicant: SRAM, LLC
    Inventors: MICHAEL HALL, DAVID MORSE, LOUIS BROWN, MIGUEL NAVARRO BAEZA
  • Bicycle electrical control device and system
    Patent number: 10960955
    Abstract: An electrical control device for a bicycle includes a housing and an assembly supported within the housing. The assembly includes a printed circuit board (PCB). The PCB includes a substrate and circuitry embedded within, attached to, or embedded within and attached to the substrate. The electrical control device also includes a communication device electrically connected to the circuitry and supported by the substrate. The communication device includes an antenna. The electrical control device includes a power source supported within the housing. The power source is electrically connected to the circuitry. The substrate is disposed between the power source and the antenna.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: March 30, 2021
    Assignee: SRAM, LLC
    Inventors: Tyler Howell-McLean, Sang Kim
  • FRONT GEAR CHANGER
    Publication number: 20210079984
    Abstract: An electromechanical front gear changer for a bicycle is provided, the bicycle having a chain, including a base member attachable to the bicycle. A linkage is movably coupled to the base member. A chain guide is movably coupled to the linkage for contacting the chain. A motor is supported by the base member. A gear transmission is driven by the motor to move the linkage. A CPU is provided for controlling the motor and a power supply is supported by the base member to power the motor and the CPU. A manually operated device is disposed on the electromechanical front gear changer.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Applicant: SRAM, LLC
    Inventors: CHRISTOPHER SHIPMAN, BRIAN JORDAN, MARK SANTURBANE
  • RECYCLED FIBER MATERIAL AND METHOD
    Publication number: 20210079191
    Abstract: A method for preparing a fiber-containing molding compound includes the acts of a) providing a composite material which includes a first resin and fibers impregnated with the first resin, and b) mixing the composite material with a treatment medium which includes a diluent to form a mixture. The fiber-containing molding compound thus prepared has an adjustable fiber content.
    Type: Application
    Filed: September 14, 2020
    Publication date: March 18, 2021
    Applicant: SRAM, LLC
    Inventors: HUNG I CHEN, CHIA-CHANG CHANG, CHING-HAN LIU, HUAN-CHING HSU
  • DAMPER FOR A BICYCLE COMPONENT
    Publication number: 20210078673
    Abstract: A bicycle rear derailleur includes a movable member and a chain guide assembly rotatably connected to the movable member. The bicycle rear derailleur also includes a pivot member non-rotatably coupled to the chain guide assembly and having an outer annular surface, a biasing device 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 device that is radially inner relative to the biasing device. The friction device includes a friction member having at least one friction surface biased against and in frictional engagement with the pivot member.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Applicant: SRAM, LLC
    Inventor: Jih-Hung Chang
  • HYDRAULIC BICYCLE CONTROL DEVICE
    Publication number: 20210078671
    Abstract: A brake control device includes a housing, a brake lever, a hydraulic seat and a piston. The housing is formed of a plastic and includes a handlebar mounting portion at an end thereof that is mounted to a bicycle handlebar. The brake lever is pivotably connected to the housing at a pivot of the housing. The hydraulic seat is disposed within the housing and is distal from the handlebar mounting portion. The hydraulic seat is formed of a metal and defines a piston chamber and a hydraulic reservoir therein that are in fluid communication with each other. The piston is movably mounted to the piston chamber in the hydraulic seat, and is operably connected to the brake lever. The plastic of the housing is adhered to the hydraulic seat.
    Type: Application
    Filed: September 14, 2020
    Publication date: March 18, 2021
    Applicant: SRAM, LLC
    Inventors: CHIHUI SU, YEN-PANG LIY
  • Bicycle control device
    Patent number: 10946928
    Abstract: A bicycle control device for use with a road bicycle includes a hydraulic brake control device and also may include a shift control device. The brake and shift control devices are disposed within a housing. The brake control device includes a master cylinder arranged in the housing. A piston assembly includes a piston slidably disposed within the master cylinder. A brake lever is operatively coupled to the piston such that the brake lever pulls the piston from a rest position to an actuated position.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 16, 2021
    Assignee: SRAM, LLC
    Inventors: Neil Swanson, Mark Santurbane
  • Grip cover
    Patent number: 10919593
    Abstract: A grip cover for a bicycle control device includes a high durometer portion that is configured to engage the bicycle control device to maintain the grip cover in contact with the bicycle control device. The grip cover further includes a low durometer portion that is connected to the high durometer portion.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: February 16, 2021
    Assignee: SRAM, LLC
    Inventor: Paul A. Feuerstein
  • Pressure measuring device for a wheel
    Patent number: 10919346
    Abstract: A pressure measuring device for a bicycle has a housing that includes a pressure chamber. The pressure chamber has a valve disposed in a first opening and a second opening into or out of a tire assembly volume of a tire assembly. A sense element is in pressure communication with the pressure chamber along a flow path between the first and second openings.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 16, 2021
    Assignee: SRAM, LLC
    Inventors: Brian Jordan, Benjamin Rothschild, Geoff Nichols
  • Braking system for a bicycle
    Patent number: 10913510
    Abstract: Example brake systems and apparatus for providing pitch control on bicycles are described herein. An example rear brake caliper described herein includes a caliper housing to be coupled to the bicycle. The caliper housing includes a first port to be fluidly coupled to a first fluid line fluidly coupled to a front brake actuator and a second port to be fluidly coupled to a second fluid line fluidly coupled to a front brake caliper. The rear brake caliper also includes a valve between the first port and the second port. The valve is operable to affect fluid flow between the first port and the second port.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 9, 2021
    Assignee: SRAM, LLC
    Inventors: Charles Dunlap, III, Brian Jordan
  • Pedal activity sensor and methods of pedaling analysis
    Patent number: 10900986
    Abstract: 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: Grant
    Filed: August 5, 2019
    Date of Patent: January 26, 2021
    Assignee: SRAM, LLC
    Inventors: Geoff Nichols, Brian Jordan, Sarah Fanto
  • Electronic shift control device for a bicycle derailleur
    Patent number: 10894578
    Abstract: A control device for a bicycle has a housing configured to be mountable to the bicycle and sized and shaped to be grasped by a user's hand and a battery receptacle positioned on the housing. The housing has a base portion and an extension portion. The base portion includes first and second ends, a downward facing side, an upward facing side, an inward facing side, an outward facing side, and a handlebar clamp disposed at the first end. A battery receptacle is positioned on a first side, which can be the downward facing side, of the base portion of the housing. An accessory port can be positioned on a second side of the base portion of the housing, different from the first side, and which can be the inward or outward facing side of the base portion of the housing.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: January 19, 2021
    Assignee: SRAM, LLC
    Inventors: Rachel Cahan, Doug Mahoney
  • Bicycle rear derailleur
    Patent number: 10894574
    Abstract: A bicycle rear derailleur includes a base member having a first portion and a second portion. The first portion of the base member is mountable to a bicycle frame, and the second portion of the base member is attached to the first portion of the base member and includes at least a portion of a power supply attachment. The bicycle rear derailleur also includes a movable member movably coupled to the first portion of the base member and electrically connected to the second portion of the base member. The bicycle rear derailleur includes a chain guide assembly rotatably connected to the movable member.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: January 19, 2021
    Assignee: SRAM, LLC
    Inventors: Joshua Brown, Paul Feuerstein
  • INTEGRATED BICYCLE CONTROL DEVICE
    Publication number: 20210001951
    Abstract: 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: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: SRAM, LLC
    Inventors: JOCHEN BIERWERTH, PAUL FEUERSTEIN, MING HSUN WU
  • ADJUSTABLE SEATPOST
    Publication number: 20210001941
    Abstract: A seat post assembly for a bicycle has a first tube with a first distal end and a second tube with a second distal end. The first and second tubes are movable relative to one another to establish a distance between the first and second distal ends. A first pressure chamber has a loaded pressure proportional to a load applied along the tube axis. A second pressure chamber has a second pressure not proportional to the load. A flow path connects the first and second pressure chambers. A valve is disposed along the flow path and is configured to move between a closed position closing the flow path and an open position opening the flow path between the first and second pressure chambers. An isolator of the valve is configured to nullify any resultant force produced by the loaded pressure of the first pressure chamber acting on the isolator.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: SRAM, LLC
    Inventors: CHRISTOPHER SHIPMAN, BRIAN JORDAN
  • Damper for a bicycle component
    Patent number: 10882587
    Abstract: A bicycle rear derailleur includes a movable member and a chain guide assembly rotatably connected to the movable member. The bicycle rear derailleur also includes a pivot member non-rotatably coupled to the chain guide assembly and having an outer annular surface, a biasing device 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 device that is radially inner relative to the biasing device. The friction device includes a friction member having at least one friction surface biased against and in frictional engagement with the pivot member.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: January 5, 2021
    Assignee: SRAM, LLC
    Inventor: Jih-Hung Chang
  • BICYCLE DISC BRAKE ROTORS
    Publication number: 20200408267
    Abstract: Example bicycle disc brake rotors are described herein. An example disc brake rotor described herein includes a core having a brake surface core portion and a single-piece brake track coupled to the brake surface core portion. The brake track is constructed of stainless steel. The brake track includes a first track on a first side of the brake surface core portion, a second track on a second side of the brake surface core portion, and a connecting portion extending over a peripheral edge of the brake surface core portion between the first and second tracks.
    Type: Application
    Filed: June 25, 2019
    Publication date: December 31, 2020
    Applicant: SRAM, LLC
    Inventors: CHARLES DUNLAP, III, BRIAN JORDAN
  • DUAL-SIDED BRAKE CONTROLLER HOUSING
    Publication number: 20200407011
    Abstract: A hydraulic brake control device for a bicycle includes a housing having a first side and a second side, the second side being opposite the first side. The housing includes a first hydraulic line path and a second hydraulic line path, the first hydraulic line path including a first recess at the first side of the housing and the second hydraulic line path including a second recess at the second side of the housing.
    Type: Application
    Filed: June 28, 2019
    Publication date: December 31, 2020
    Applicant: SRAM, LLC
    Inventors: NATHAN LUMAN, NEIL SWANSON