Patents Assigned to SRAM, LLC
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Publication number: 20260346945Abstract: A suspension component for a bicycle is provided. The suspension component includes a first tube having a first end and a second tube having a second end, the first tube and the second tube configured in a telescopic arrangement having the first end as a first distal end of the telescopic arrangement and the second end forming a second distal end of the telescopic arrangement, the telescopic arrangement having an interior space bounded by inner walls of the first tube and the second tube. The suspension component also includes a fluid damper disposed in the interior space, the fluid damper having a plurality of operational states configured to dampen or resist movement of the first tube relative to the second tube. Characteristics of the suspension component are controllable and/or the suspension component is configured to operate in different states.Type: ApplicationFiled: April 14, 2026Publication date: November 5, 2026Applicant: SRAM, LLCInventor: GEOFF NICHOLS
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Patent number: 12780349Abstract: A torque sensor for a bicycle includes a coil. The torque sensor may include a support that is disposable around a device of the bicycle, such that the support and the device of the bicycle are separated by an air gap. The torque sensor may also include an excitation coil supported by the support, and a sense coil supported by the support at a distance away from the excitation coil in an axial direction of the support. The excitation coil is configured to induce a voltage and/or current in the sense coil via the device of the bicycle when the support is disposed around the device of the bicycle. The induced voltage is related to a torque in the device.Type: GrantFiled: December 2, 2022Date of Patent: November 3, 2026Assignee: SRAM, LLCInventors: Sage Hahn, Sebastian Heyna, Henrik Braedt, William Barrett Lee
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Patent number: 12780351Abstract: An electric bicycle drive unit mounting arrangement for attaching an electric drive unit at a drive receptacle of a bicycle frame is provided. The bicycle frame has a fixed bearing fastening frame leg and a parallel loose bearing frame leg. A drive unit housing has a fixed bearing housing flange and a parallel loose bearing housing flange. The fixed bearing housing flange is frictionally attached directly against the fixed bearing frame leg. A loose bearing fastening element attaches the loose bearing housing flange to the loose bearing frame leg. The loose bearing fastening element is a loose bearing threaded bolt having a cylindrical bolt head seated in a loose bearing cylinder bore of the loose bearing frame leg without radial play, and has a threaded portion with an external thread screwed in a corresponding internal thread to the loose bearing frame leg or to one of the housing flanges.Type: GrantFiled: September 7, 2023Date of Patent: November 3, 2026Assignee: SRAM, LLCInventors: Axel Hemsing, Kai Venhoff, Dietmar Greven
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Publication number: 20260336737Abstract: Height adjustable seat posts for bicycles are described herein. An example height adjustable seat post includes a first tube and a second tube configured in a telescopic arrangement. The seat post includes a valve disposed between the first and second chambers. The seat post includes an actuator to operate the valve between a closed state and an open state. The height adjustable seat post also includes a controller to operate the actuator with a power source to move the valve between the closed state and the open state. The controller is to control a current limit of effective current available to the actuator during operation of the valve.Type: ApplicationFiled: April 23, 2025Publication date: October 29, 2026Applicant: SRAM, LLCInventors: CHARLES DUNLAP, TREVOR KRUGMAN, ROBERT POWELL, JOHN DEENY
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Publication number: 20260336736Abstract: Height adjustable seat posts for bicycles are described herein. A height adjustable seat post includes a first tube and a second tube configured in a telescopic arrangement. The height adjustable seat post includes a first chamber, a second chamber, and a valve disposed fluidly between the first chamber and the second chamber. The valve includes a flow control member that is moveable between a closed position and an open position. The seat post includes a valve actuator to move the flow control member. The seat post also includes a controller to: receive a control signal; in response to receiving the control signal, control the valve actuator to move the flow control member from the closed position to the open position; and automatically, after a predetermined time period from receiving the control signal, control the valve actuator to move the flow control member from the open position to the closed position.Type: ApplicationFiled: April 23, 2025Publication date: October 29, 2026Applicant: SRAM, LLCInventors: BRIAN JORDAN, SAGE HAHN, CHARLES DUNLAP
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Patent number: 12767257Abstract: Height adjustable seat posts for bicycles are described herein. An example height adjustable seat post includes an upper tube and a lower tube configured in a telescopic arrangement and a piston in the upper tube. The piston divides the upper tube into first chamber and second chambers. The first and second chambers are filled with fluid. The height adjustable seat post also includes a valve including a fixed member and a rotatable member forming a face seal between a first face of the fixed member and a second face of the rotatable member. The fixed member has a fluid flow passageway. The rotatable member is rotatable relative to the fixed member between a closed position in which the rotatable member blocks the fluid flow passageway to prevent fluid flow between the first and second chambers and an open position to enable fluid flow through the fluid flow passageway and between the first and second chambers.Type: GrantFiled: June 13, 2023Date of Patent: October 20, 2026Assignee: SRAM, LLCInventors: Charles Dunlap, Brian Jordan
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Publication number: 20260316880Abstract: A system for an electric bicycle includes an energy storage device. The energy storage device includes a housing that is mountable to a frame of the electric bicycle, battery cells disposed within the housing, and output power terminals supported by the housing and electrically connectable to the battery cells. The energy storage device includes a processor and a first wireless communication device. The system includes a human/machine interface (HMI) electrically connected to the energy storage device via the output power terminals. The HMI includes a second wireless communication device. The processor is configured to change a mode of the energy storage device based on a signal received by the first wireless communication device from the second wireless communication device.Type: ApplicationFiled: March 9, 2026Publication date: October 15, 2026Applicant: SRAM, LLCInventors: SAGE HAHN, SHELBY SESSIONS, ALEXANDER HO, CARA DITMAR
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Publication number: 20260316887Abstract: A rear derailleur includes a base member mountable to a bicycle frame, a movable member movably coupled to the base member, and a pivot member rotatably coupled to the movable member. The rear derailleur also includes a chain guide assembly rotatably connected to the movable member via the pivot member. The rear derailleur includes a damper device disposed within the movable member. The damper device is operable to apply a damping force to the chain guide assembly when the chain guide assembly rotates. The damper device includes a friction member having a friction surface. A first portion of the friction surface is in frictional engagement with the pivot member, and a second portion of the friction surface is in frictional engagement with the movable member. The friction device is disposed within the movable member at a distance relative to the biasing device in an axial direction along the pivot member.Type: ApplicationFiled: January 29, 2026Publication date: October 15, 2026Applicant: SRAM, LLCInventor: JOSHUA BROWN
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Publication number: 20260316879Abstract: Brakes, brake calipers, and rotors for bicycles are described herein. An example brake includes a brake caliper disposed inboard of a frame of the bicycle and an axle mounting bracket integral with the brake caliper. The axle mounting bracket has an opening configured to receive an axle of the bicycle therethrough when the brake is installed on the bicycle. The axle mounting bracket forms a first point of contact with the bicycle. A sleeve is disposed in the opening of the axle mounting bracket and extending from an outboard side of the axle mounting bracket. The sleeve extends into an axle opening in the frame of the bicycle when the brake is installed on the bicycle.Type: ApplicationFiled: June 18, 2026Publication date: October 15, 2026Applicant: SRAM, LLCInventors: SEBASTIAN HEYNA, HENRIK BRAEDT, CHARLES DUNLAP
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Patent number: 12746999Abstract: An electronic component for an electric bicycle is provided. The electric bicycle includes a transmission. The electronic component includes a processor configured to identify an operating condition of the electric bicycle, determine transmission losses of the transmission of the electric bicycle based on the identified operating condition, and control an assist motor of the electric bicycle based on the determined transmission losses.Type: GrantFiled: September 30, 2024Date of Patent: September 29, 2026Assignee: SRAM, LLCInventor: Brian Jordan
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Publication number: 20260264797Abstract: A steering device for a bicycle may be provided to control directional travel of the bicycle. The steering device may include a stem for attachment between a handlebar and a steerer. The stem may include a first steerer clamp for attachment to the steerer between a first bearing and a second bearing and a second steerer clamp for attachment to the steerer above the first bearing and the second bearing. The stem may further include a handlebar clamp for attachment to the handlebar.Type: ApplicationFiled: March 2, 2026Publication date: September 10, 2026Applicant: SRAM, LLCInventors: CHARLES DUNLAP, BRIAN JORDAN, KEVIN WESLING
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Publication number: 20260242033Abstract: A torque sensor includes a contact sensor and a contactless sensor. An electric drive system for a bicycle includes an electric motor having a rotor rotatable about an axis. An output component is coupled to the electric motor and is rotatable about an axis. An input component is rotatable about the axis and is concentric with the output component and the rotor. A one-way clutch is disposed between the input component and output component. The contact sensor is coupled to the output component. The contact sensor is configured to measure a torque applied to the output component by the input component and provide an input signal. The contactless sensor is disposed between the output component and a fixed component. The contactless sensor is configured to provide an output signal proportional to the input signal.Type: ApplicationFiled: April 8, 2026Publication date: August 20, 2026Applicant: SRAM, LLCInventor: SAGE HAHN
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Patent number: 12703448Abstract: Height adjustable seat posts for bicycles are described herein. An example height adjustable seat post includes an upper tube and a lower tube configured in a telescopic arrangement. The height adjustable seat post includes a piston assembly in the upper tube that divides the upper tube into a first chamber and a second chamber. The piston assembly includes a valve to control fluid flow between the first and second chambers. The height adjustable seat post also includes an actuator to operate the valve. The height adjustable seat post further includes a connector assembly connected to the lower tube. The connector assembly is to be connected to a mating connector assembly on the bicycle. The connector assembly includes a magnetic connector including a housing having an end surface with an opening, first and second electrical contacts in the opening, and a magnet disposed in the housing and spaced from the end surface of the housing.Type: GrantFiled: September 25, 2023Date of Patent: August 11, 2026Assignee: SRAM, LLCInventors: Christopher Shipman, Sage Hahn, Brian Jordan
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Patent number: 12698052Abstract: Example bicycle suspension components are described herein. An example suspension component includes a spring and a damper configured in a telescoping arrangement. The shock absorber has a first end and a second end opposite the first end. The second end has an eyelet. The example suspension component also includes a shock end mount coupled to the first end of the shock absorber. The shock end mount includes a frame bracket. The frame bracket includes a first frame attachment portion to be coupled to a frame of the bicycle. The eyelet on the second end of the shock absorber defines a second frame attachment portion to be coupled to the frame of the bicycle. The shock end mount includes an elastomeric member to enable relative movement between the shock absorber and the first frame attachment portion. The elastomeric member is disposed outside of a region between the first frame attachment portion and the second frame attachment portion.Type: GrantFiled: December 18, 2023Date of Patent: August 4, 2026Assignee: SRAM, LLCInventor: Timothy Lynch
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Patent number: 12685897Abstract: A method for identifying a completed lap at a device is disclosed. An example method includes retrieving or defining lap initiation data that can include an initiation location and an initiation orientation. The method also includes retrieving or defining a location variance threshold for the initiation location and an orientation variance threshold for the initiation orientation. The method further includes determining, by a position determining module of the device, a first location of the device associated with a first time. The method also includes determining, by an orientation determining module of the device, a first orientation of the device associated with the first time. The method also includes identifying a lap as completed upon determining that the first location of the device is within the location variance threshold of the initiation location and that the first orientation of the device is within the orientation variance threshold of the initiation orientation.Type: GrantFiled: May 11, 2023Date of Patent: July 21, 2026Assignee: SRAM, LLCInventors: Brent Dimmig, Cole Stoltzfus, Stephen Winchell, William Tribble
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Patent number: 12687213Abstract: A muffler device for use in a bicycle suspension system that has an axis is presented. The device includes a flow path permitting a pressurized fluid to flow therethrough, and a muffler member having a porous surface that at least partially defines the flow path. The device is provided to dampen the acoustic energy of the system.Type: GrantFiled: December 15, 2021Date of Patent: July 21, 2026Assignee: SRAM, LLCInventors: Shu-Wei Ho, Wei-Kai Liao
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Patent number: 12679497Abstract: Brake calipers and rotors for bicycles are described herein. An example brake caliper includes an outboard caliper portion to be disposed inboard of a frame of the bicycle. The outboard caliper portion includes an outboard caliper body and an outboard brake pad that is fixed relative to the outboard caliper body. The brake caliper also includes an inboard caliper portion coupled to the outboard caliper body. The inboard caliper portion is disposed inboard of the outboard caliper portion when the brake caliper is coupled to the bicycle. The inboard caliper portion includes an inboard caliper body and an inboard brake pad that is movable relative to the inboard caliper body.Type: GrantFiled: December 1, 2021Date of Patent: July 14, 2026Assignee: SRAM, LLCInventors: Sebastian Heyna, Henrik Braedt, Charles Dunlap
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Patent number: 12679491Abstract: A chainring assembly includes a chainring carrier adapted to be coupled to a crank arm. The chainring carrier is rotatable about a rotation axis and includes an outer periphery having carrier threads. A chainring structure includes an inner periphery having chainring threads and an outer periphery comprising a plurality of teeth. The inner periphery of the chainring structure is threadably engaged with the outer periphery of the chainring carrier. In one embodiment, a power meter device includes a body having a torque input section and a torque output section, with the torque output section including an outer periphery having threads adapted to be coupled to a chainring structure.Type: GrantFiled: April 15, 2025Date of Patent: July 14, 2026Assignee: SRAM, LLCInventors: Kevin Jasper, Isaiah Miller, Joshua Neiman
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Patent number: 12679495Abstract: 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: GrantFiled: January 11, 2021Date of Patent: July 14, 2026Assignee: SRAM, LLCInventor: Devon Sullivan
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Publication number: 20260194106Abstract: A bushing includes a bushing body. The bushing body substantially surrounds an axis, and has an inner surrounding surface, and an outer surrounding surface that is opposite to the inner surrounding surface. The inner surrounding surface of the bushing body has an inner structure that includes a plurality of inner radial protrusions and a plurality of inner radial recesses. The inner radial protrusions and the inner radial recesses are arranged along the axis in an alternating arrangement. The inner radial protrusions cooperatively form an inner contact interface.Type: ApplicationFiled: January 6, 2026Publication date: July 9, 2026Applicant: SRAM, LLCInventors: CHI-HUI SU, CHEN-HSIUNG CHEN, CHU CHEN WANG, MICHAEL VAN ZYL