公开(公告)号：US11912374B2

公开(公告)日：2024-02-27

申请号：US18071352

申请日：2022-11-29

Applicant: SRAM, LLC

Inventor： Christopher Shipman ,  Brian Jordan ,  Sage Hahn

IPC: B62M9/1346 ,  B62M9/10 ,  B62M9/131 ,  B62M9/132 ,  B62M9/134 ,  B62M9/14

CPC classification number: B62M9/1346 ,  B62M9/105 ,  B62M9/132 ,  B62M9/134 ,  B62M9/131 ,  B62M9/14

Abstract: A bicycle front shifting system includes operable to transmit a wireless signal, a crank assembly with two crank arms and a pedal on each of the two crank arms. The crank assembly is rotatable about a rotation axis. A front shift unit is coupled to the crank assembly and is rotatable about the rotation axis. The front shift unit includes a chain ring component with a big chain ring and a small chain ring. The small chain ring has a small diameter and the big chain ring has a big diameter that is larger than the small diameter. A shift mechanism is coupled to and rotatable with the chain ring component about the rotation axis. The shift mechanism is configured to receive the wireless signal from the shifter and to shift a chain between the big chain ring and the small chain ring according to the wireless signal.

公开(公告)号：US11894716B2

公开(公告)日：2024-02-06

申请号：US17080451

申请日：2020-10-26

Applicant: SRAM, LLC

Inventor： Geoff Nichols ,  Sage Hahn ,  Hendrik Scott Devries ,  Jeefrey Baltes ,  Todd Baltes

IPC: H02J7/35 ,  B62J43/30 ,  H02S40/38 ,  H02S10/40

CPC classification number: H02J7/35 ,  B62J43/30 ,  H02S10/40 ,  H02S40/38

Abstract: A bicycle component includes a platform having a mounting arrangement adapted to be mounted to a bicycle. A solar cell array is arranged on the platform. A battery charging unit also is arranged on the platform and is operatively connected to the solar cell array.

公开(公告)号：US11738826B2

公开(公告)日：2023-08-29

申请号：US16787885

申请日：2020-02-11

Applicant: SRAM, LLC

Inventor： Sage Hahn ,  Brian Jordan ,  Kevin Wesling

IPC: B62M6/45 ,  B62M6/50 ,  B62M9/132

CPC classification number: B62M6/45 ,  B62M6/50 ,  B62M9/132

Abstract: 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.

公开(公告)号：US20230060541A1

公开(公告)日：2023-03-02

申请号：US17462759

申请日：2021-08-31

Applicant: SRAM, LLC

Inventor： Sage Hahn ,  Kristi Lin ,  Alexander Kon-I Ho

IPC: B62J45/20 ,  H04W52/02 ,  H04W24/08 ,  H04W72/04 ,  B62M9/06 ,  B62J1/28 ,  B62K25/00

Abstract: A control device of a bicycle includes an actuator and a first controller. The first controller is configured to generate and transmit, from the first controller to a second controller of the bicycle, messages for a predetermined time period at a first transmission rate in response to activation of the actuator. The first controller is further configured to, after the predetermined period of time, generate and transmit, from the first controller to the second controller, one or more messages at a second transmission rate until the actuator is deactivated. The first transmission rate is greater than the second transmission rate, and each of the messages includes data identifying the activation of the actuator.