Patents Assigned to SRAM, LLC
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Patent number: 12375872Abstract: A controller device for a bicycle includes a communication interface configured to receive a signal from another controller device. The controller device also includes a sensor including an ultra-wideband radio. In response to the received signal, the sensor is configured to determine a distance between the controller device and the other controller device using the ultra-wideband radio. The controller device also includes a processor in communication with the sensor. The processor is configured to initiate an action of the controller device or an electronic device in communication with the controller device based on the determined distance.Type: GrantFiled: September 27, 2022Date of Patent: July 29, 2025Assignee: SRAM, LLCInventor: Shelby Sessions
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Publication number: 20250229578Abstract: A bicycle wheel comprises a rim including a radially inner portion disposed along an inner circumference of the rim, a first sidewall, and a second sidewall spaced apart from the first sidewall. The first sidewall and the second sidewall extends radially outward from the radially inner portion. A radially outer tire engaging portion is disposed along an outer circumference of the rim. A receptacle is within the radially inner portion. A sensor device comprises a housing disposed within the receptacle such that a portion of the housing forms part of the radially inner portion of the rim and a pressure sensor supported by the housing. An air valve extends through and is supported by the housing. The pressure sensor is fluidly connected to a volume between a first tire retaining portion and a second tire retaining portion of the radially outer tire engaging portion such that the pressure sensor is configured to determine a pressure of a fluid within the volume.Type: ApplicationFiled: April 7, 2025Publication date: July 17, 2025Applicant: SRAM, LLCInventors: BRIAN JORDAN, DAVID MORSE, SHELBY SESSIONS, RUAN TROUW, BENJAMIN WAITE, TIMOTHY LUCKING, MASON PLUIMER
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Patent number: 12358593Abstract: A chainring protection system includes a chainring having a torque input section and a torque output section. The torque output section is radially outer relative to the torque input section and has a plurality of teeth. The chainring protection system also includes a cover connected to the chainring, such that the cover at least partially covers a circumferential portion of the torque output section. The circumferential portion of the torque output section includes less than all teeth of the plurality of teeth.Type: GrantFiled: December 20, 2021Date of Patent: July 15, 2025Assignee: SRAM, LLCInventors: Melissa Hastings, Stephanie Raulston, Matthew Bush, Alexander Linke
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Patent number: 12358592Abstract: A bicycle derailleur includes a base member mountable to a bicycle frame and having first and second laterally spaced mounting portions defining first and second planes, and a space therebetween dimensioned to receive a portion of the bicycle frame. A first mounting arrangement defines a first pivot axis oriented at an acute angle relative to the first and second planes. A second mounting arrangement defines a second pivot axis parallel to the first pivot axis. A first link is pivotally connected to the first mounting arrangement and a second link is pivotally connected to the second mounting arrangement. A moveable member is pivotally connected to the first and second links. A battery may be mounted on the base member and electrically connected with a motor carried by the moveable member.Type: GrantFiled: December 9, 2021Date of Patent: July 15, 2025Assignee: SRAM, LLCInventor: Alyssa Chen
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Publication number: 20250222717Abstract: A rim for a bicycle wheel includes a radially inner portion disposed along an inner circumference of the rim, a first sidewall, and a second sidewall spaced apart from the first sidewall. The first sidewall and the second sidewall extend radially outward from the radially inner portion. The rim also includes a radially outer tire engaging portion disposed along an outer circumference of the rim. The radially outer tire engaging portion extends from the first sidewall and the second sidewall, respectively. A maximum width of the rim is in a range between 30 mm and 70 mm, and the rim has an aspect ratio greater than 1.25 but less than 3.0.Type: ApplicationFiled: December 12, 2024Publication date: July 10, 2025Applicant: SRAM, LLCInventors: MICHAEL HALL, DAVID MORSE, RUAN TROUW
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Publication number: 20250196955Abstract: A seat post assembly includes a first tube moveable along an axis between a first position and a second position and a second tube telescopically moveable along the axis relative to the first tube between a retracted position and an extended position. A positioning assembly configured to adjustably position the second tube relative to the first tube. An electric actuator is adapted to be automatically electrically connected to a power source when the first tube is moved from the first position to the second position, and automatically electrically disconnected from the power source when the first tube is moved from the second position to the first position. The electric actuator is movable to actuate the positioning assembly in response to an electrical current adapted to be transmitted from the power source when the first tube is in the first position to adjustably position the second tube relative to the first tube.Type: ApplicationFiled: March 6, 2025Publication date: June 19, 2025Applicant: SRAM, LLCInventors: BRIAN JORDAN, CHARLES DUNLAP, SAGE HAHN
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Patent number: 12330740Abstract: Example bicycle suspension components are described herein. An example suspension component includes a first tube and a second tube configured in a telescopic arrangement and defining an interior space, and a damper in the interior space. The damper includes a damper body defining a chamber, a damper member in the chamber, and a shaft coupled to the damper member. The example suspension component also includes an isolator coupling the shaft to a bottom end of the second tube, the isolator including an elastomeric member to absorb vibrations.Type: GrantFiled: April 17, 2024Date of Patent: June 17, 2025Assignee: SRAM, LLCInventors: Tim Lynch, Skyler Teachout
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Publication number: 20250178687Abstract: Pedelec with an electric drive unit (30) for driving at least one wheel (22) of the pedelec (10), a battery (34) for supplying the drive unit (30) with electrical drive energy, a torque sensor (47) for detecting a rider torque applied to a pedal crankshaft (32) by a rider, and a pedelec controller (50) with a motor control module (52) which controls the assistance power of the drive unit (30) as a function of the rider torque recorded by the torque sensor (47), and a calibration module (54) for calibrating the torque sensor (47), which is configured to start a calibration process when the driven wheel (22) is stopped, the pedal crankshaft (32) is stopped, and an average deviation (Ao, Au), referred to a mean value (M), of the torque signal (T) of the torque sensor (47) is below a predefined maximum value (Mo, Mu) over a predefined time period (t).Type: ApplicationFiled: February 17, 2022Publication date: June 5, 2025Applicant: SRAM, LLCInventor: BERNO JOHANNES ENGELBERT MISGELD
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Patent number: 12319384Abstract: A bicycle with an electric pedal assist motor capable of driving a chainring independent of cranks includes wheel speed sensors and crank cadence sensors. The wheel speed sensors and the crank cadence sensors measure wheel speed and crank cadence, respectively, and provide the measured wheel speed and crank cadence to controller of the bicycle. The controller activates motor overdrive based on the measured wheel speed and/or the measured crank cadence.Type: GrantFiled: February 22, 2024Date of Patent: June 3, 2025Assignee: SRAM, LLCInventors: Sage Hahn, Brian Jordan, Kevin Wesling
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Patent number: 12319382Abstract: A control device mountable to a handlebar of a bicycle includes a housing, a lever coupled to and pivotable relative to the housing, and a master cylinder portion supported by the housing. The master cylinder portion has a fluid cylinder. The fluid cylinder has a first end and a second end opposite the first end with a cylindrical wall therebetween. An opening extends through the master cylinder portion, from the first end to the second end. The control device also includes a plug removably connected to the master cylinder portion via the opening at the first end of the fluid cylinder, and a piston assembly supported by the housing. The piston assembly is movable relative to the master cylinder portion. The housing is made of a first material, and the master cylinder portion is made of a second material. The second material is different than the first material.Type: GrantFiled: April 3, 2023Date of Patent: June 3, 2025Assignee: SRAM, LLCInventors: Neil Swanson, Doug Mahoney, Ryan Grimm
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Patent number: 12296910Abstract: 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: September 28, 2022Date of Patent: May 13, 2025Assignee: SRAM, LLCInventors: Kevin Jasper, Isaiah Miller, Joshua Neiman
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Patent number: 12291297Abstract: 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 also includes a shaft coupled to the lower tube and extending into the upper tube a piston assembly coupled to the shaft and disposed in the upper tube. The piston assembly includes a piston dividing the upper tube into a first chamber and a second chamber. The first and second chambers are filled with fluid. The piston assembly includes a valve operable between a closed state in which the fluid is blocked from flowing between the first and second chambers and an open state to enable the fluid to flow between the first and second chambers. The height adjustable seat post also includes a solenoid to control the valve.Type: GrantFiled: February 15, 2023Date of Patent: May 6, 2025Assignee: SRAM, LLCInventors: Rafer Chambers, Christopher Eric Golkiewicz, Chi Hui Su, Donald Frederick Coffman, Alex Kyle McGee, Charles Dunlap
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Patent number: 12286180Abstract: A seat post assembly for a bicycle includes a first tube having a first distal end and a second tube having a second distal end. A distance between the first distal end of the first tube and the second distal end of the second tube is at a maximum when the first tube is in a first position relative to the second tube. The seat post assembly also includes a first chamber and a second chamber that are fluidly coupleable. The first chamber is a positive fluid chamber, and the second chamber is a negative fluid chamber. The seat post assembly includes a fluid volume disposed in the first chamber and the second chamber. The fluid volume includes a compressible fluid. The first chamber is configured to act as a spring configured to bias the first tube towards the first position relative to the second tube.Type: GrantFiled: February 15, 2023Date of Patent: April 29, 2025Assignee: SRAM, LLCInventors: Rafer Chambers, Charles Dunlap
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Publication number: 20250128783Abstract: A control line router for a headset of a bicycle includes a barrier disposed between a component of the bicycle and a segment of a control line within a headtube of the bicycle.Type: ApplicationFiled: October 15, 2024Publication date: April 24, 2025Applicant: SRAM, LLCInventors: CHARLES DUNLAP, KEVIN WESLING
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Patent number: 12280852Abstract: A bicycle crank may include a first lug, a second lug and a transition region. The first lug is for connecting a spindle. The second lug is for connecting a pedal. The transition region interconnects the first lug and the second lug, and is formed from a fiber reinforced thermoplastic material that includes a fiber component and a thermoplastic component.Type: GrantFiled: September 27, 2022Date of Patent: April 22, 2025Assignee: SRAM, LLCInventors: Hong-Chou Lee, Chen-Hsiung Chen, En-Chieh Chen, Joachim Stuermer
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Publication number: 20250121902Abstract: A controller device usable with a bicycle includes a communication interface configured to receive component data from another controller device of the bicycle. The communication interface is configured to receive auxiliary data from outside the bicycle. The controller device includes a processor in communication with the communication interface. The processor being is configured to determine a location of the bicycle based on the auxiliary data, compare the received component data to a plurality of predetermined component datasets for a plurality of bicycles, respectively, and identify at least one bicycle of the plurality of bicycles based on the comparison and the determined location of the bicycle. The at least one bicycle includes the bicycle. The controller device includes a display in communication with the processor. The display is configured to display a representation for each bicycle of the at least one identified bicycle.Type: ApplicationFiled: December 20, 2024Publication date: April 17, 2025Applicant: SRAM, LLCInventors: MARK SANTURBANE, ALEX HO, BRIAN OBERHOLTZER
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Patent number: 12275490Abstract: A bicycle control system includes a housing, a brake lever moveably connected to the housing between an at-rest position and a brake engaging position, and a shift lever moveably connected to the brake lever between an at-rest position and a shift actuating position. An electrical switch is disposed on one of the brake lever or the shift lever. An adjustable shift actuator is moveably coupled to the other of the brake lever or the shift lever. The shift actuator is configured to actuate the electrical switch when the shift lever is moved to the shift actuating position. The shift actuator is adjustably moveable relative to the other of the brake lever or the shift lever so as to adjust the distance between the at-rest position and the shift actuating position.Type: GrantFiled: February 24, 2023Date of Patent: April 15, 2025Assignee: SRAM, LLCInventors: Anneliese Wareham, Rachel Cahan, Thomas Kehrer
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Publication number: 20250115323Abstract: 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 also includes a shaft coupled to the lower tube and extending into the upper tube a piston assembly coupled to the shaft and disposed in the upper tube. The piston assembly includes a piston dividing the upper tube into a first chamber and a second chamber. The first and second chambers are filled with fluid. The piston assembly includes a valve operable between a closed state in which the fluid is blocked from flowing between the first and second chambers and an open state to enable the fluid to flow between the first and second chambers. The height adjustable seat post also includes a solenoid to control the valve.Type: ApplicationFiled: December 17, 2024Publication date: April 10, 2025Applicant: SRAM, LLCInventors: RAFER CHAMBERS, CHRISTOPHER ERIC GOLKIEWICZ, CHI HUI SU, DONALD FREDERICK COFFMAN, ALEX KYLE MCGEE, CHARLES DUNLAP
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Publication number: 20250115328Abstract: 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.Type: ApplicationFiled: October 4, 2023Publication date: April 10, 2025Applicant: SRAM, LLCInventor: SAGE HAHN
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Patent number: 12269547Abstract: A seat post assembly includes a first tube moveable along an axis between a first position and a second position and a second tube telescopically moveable along the axis relative to the first tube between a retracted position and an extended position. A positioning assembly configured to adjustably position the second tube relative to the first tube. An electric actuator is adapted to be automatically electrically connected to a power source when the first tube is moved from the first position to the second position, and automatically electrically disconnected from the power source when the first tube is moved from the second position to the first position. The electric actuator is movable to actuate the positioning assembly in response to an electrical current adapted to be transmitted from the power source when the first tube is in the first position to adjustably position the second tube relative to the first tube.Type: GrantFiled: November 21, 2022Date of Patent: April 8, 2025Assignee: SRAM, LLCInventors: Brian Jordan, Charles Dunlap, Sage Hahn