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    Height adjustable seat posts for bicycles
    1.
    发明授权
    Height adjustable seat posts for bicycles 有权

    公开(公告)号：US12291297B2

    公开(公告)日：2025-05-06

    申请号：US18169512

    申请日：2023-02-15

    Applicant: SRAM, LLC

    Inventor： Rafer Chambers ,  Christopher Eric Golkiewicz ,  Chi Hui Su ,  Donald Frederick Coffman ,  Alex Kyle McGee ,  Charles Dunlap

    IPC: B62M9/124 ,  B62J1/08 ,  B62K23/00

    Abstract: 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.

    Brake rotors for bicycles
    2.
    发明授权
    Brake rotors for bicycles 有权

    公开(公告)号：US12135064B2

    公开(公告)日：2024-11-05

    申请号：US17125029

    申请日：2020-12-17

    Applicant: SRAM, LLC

    Inventor： Henrik Braedt ,  Brian Jordan ,  Charles Dunlap ,  Sebastian Heyna

    IPC: F16D65/12 ,  B60B27/00 ,  B62L1/00 ,  F16D65/02

    Abstract: Brake rotors for bicycles are described herein. An example brake rotor for a bicycle includes a carrier to be coupled to a hub of the bicycle. The brake rotor also includes a brake track having braking surfaces to be engaged by brake pads. The brake track is disposed radially outward of the carrier. The brake track has a first thickness and the carrier has a second thickness greater than the first thickness. The brake track is coupled to the carrier such that the brake track is axially movable relative to the carrier while being radially and circumferentially constrained relative to the carrier.

    Seat post assembly with automatic power connector
    4.
    发明授权
    Seat post assembly with automatic power connector 有权

    公开(公告)号：US12269547B2

    公开(公告)日：2025-04-08

    申请号：US17991205

    申请日：2022-11-21

    Applicant: SRAM, LLC

    Inventor： Brian Jordan ,  Charles Dunlap ,  Sage Hahn

    IPC: B62J1/08 ,  B62J1/06 ,  B62K3/02 ,  B62K19/36

    Abstract: 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.

    Brake mounts for bicycles
    5.
    发明授权
    Brake mounts for bicycles 有权

    公开(公告)号：US12187377B2

    公开(公告)日：2025-01-07

    申请号：US17539444

    申请日：2021-12-01

    Applicant: SRAM, LLC

    Inventor： Sebastian Heyna ,  Henrik Braedt ,  Charles Dunlap

    IPC: B62L1/00 ,  B60B27/00 ,  B60B27/02

    Abstract: Brake mounts for bicycles are described herein. The brake mounts are for coupling a brake caliper to a bicycle. An example brake mount includes a bracket having a first side and a second side opposite the first side. The bracket has bores to receive fasteners to couple the brake caliper to the bracket. The brake mount includes a sleeve extending from the first side of the bracket. An opening extends through the sleeve and the bracket. The opening is to receive an axle of a hub assembly of the bicycle. The sleeve is to extend into an axle opening in a frame of the bicycle. A distal end of the sleeve is threaded. The brake mount also includes a nut to be threadably coupled to the distal end of the sleeve when the sleeve is inserted into the axle opening in the frame e.

    Seat post assembly with an adjustable stroke
    6.
    发明授权
    Seat post assembly with an adjustable stroke 有权

    公开(公告)号：US12179870B2

    公开(公告)日：2024-12-31

    申请号：US18169184

    申请日：2023-02-14

    Applicant: SRAM, LLC

    Inventor： Charles Dunlap ,  Rafer Chambers

    IPC: B62J1/06 ,  B62J1/08

    Abstract: 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. The first tube is movable relative to the second tube to establish a distance between the first distal end and the second distal end. The distance is at a maximum distance when the first tube is in a first position relative to the second tube. The seat post assembly includes a seal disposed within the second tube and connected to the first tube or the second tube. The seat post assembly includes a piston coupled to the seal when the first tube is in the first position. A position of the seal relative to the second distal end is adjustable, such that the first position of the first tube relative to the second tube is adjustable via the coupling between the piston and the seal.

    Hydraulic brake control device with handlebar proximal hose attachment
    8.
    发明授权
    Hydraulic brake control device with handlebar proximal hose attachment 有权

    公开(公告)号：US12097927B2

    公开(公告)日：2024-09-24

    申请号：US18353619

    申请日：2023-07-17

    Applicant: SRAM, LLC

    Inventor： Charles Dunlap ,  Brian Jordan ,  Braden Snead

    IPC: B62L3/02 ,  F15B15/14

    CPC classification number: B62L3/023 ,  F15B15/1414

    Abstract: A control device for a hydraulic brake for a bicycle includes a reservoir for hydraulic fluid. The reservoir has a variable volume. The control device also includes a reservoir cover at least partially defining the reservoir, and a support that is attachable to a handlebar of the bicycle via an inner annular surface of the support. A handlebar proximity zone is radially outer relative to the inner annular surface of the support and is within two centimeters of the inner annular surface of the support. At least part of the reservoir cover is within the handlebar proximity zone.

    Pneumatic only height adjust seat post assembly
    10.
    发明授权
    Pneumatic only height adjust seat post assembly 有权

    公开(公告)号：US11661129B2

    公开(公告)日：2023-05-30

    申请号：US16917436

    申请日：2020-06-30

    Applicant: SRAM, LLC

    Inventor： Rafer Chambers ,  Charles Dunlap

    IPC: B62J1/08 ,  B62J1/06

    CPC classification number: B62J1/06

    Abstract: 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.

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