公开(公告)号：US20180312221A1

公开(公告)日：2018-11-01

申请号：US15953903

申请日：2018-04-16

Applicant: Fox Factory, Inc.

Inventor： Evan Michael CHOLTCO-DEVLIN ,  Jason KENNETT ,  David Robert EDWARDS

IPC: B62M9/10 ,  F16H55/30 ,  B62M1/36

CPC classification number: B62M9/105 ,  B62K19/34 ,  B62M1/36 ,  B62M3/00 ,  B62M3/003

Abstract: A cinch direct mount 2X ring system is disclosed. One embodiment discloses a chainring assembly having a drive side crank arm with a chainring assembly interface including a plurality of splines, a circumference, and an axial length. The chainring assembly includes a first chainring having a first outer diameter and a first center assembly shape. The chainring assembly includes a second chainring having a second outer diameter and a second center assembly shape, the second outer diameter being different than the first outer diameter. The chainring assembly also includes a fastener to couple the first chainring and the second chainring with the chainring assembly interface, such that at least one of the first center assembly shape or the second center assembly shape engages with the plurality of splines.

公开(公告)号：US20210284282A1

公开(公告)日：2021-09-16

申请号：US17328421

申请日：2021-05-24

Applicant: Fox Factory, Inc.

Inventor： Evan Michael CHOLTCO-DEVLIN ,  Jason KENNETT ,  David Robert EDWARDS

IPC: B62M9/10 ,  B62M1/36 ,  F16H55/30 ,  B62M3/00

Abstract: A cinch direct mount 2× ring system is disclosed. One embodiment discloses a chainring assembly having a drive side crank arm with a chainring assembly interface including a plurality of splines, a circumference, and an axial length. The chainring assembly includes a first chainring having a first outer diameter and a first center assembly shape. The chainring assembly includes a second chainring having a second outer diameter and a second center assembly shape, the second outer diameter being different than the first outer diameter. The chainring assembly also includes a fastener to couple the first chainring and the second chainring with the chainring assembly interface, such that at least one of the first center assembly shape or the second center assembly shape engages with the plurality of splines.

公开(公告)号：US20230234673A1

公开(公告)日：2023-07-27

申请号：US18109773

申请日：2023-02-14

Applicant: Fox Factory, Inc.

Inventor： Evan Michael CHOLTCO-DEVLIN ,  Jason KENNETT ,  David Robert EDWARDS

IPC: B62M9/10 ,  B62M3/00 ,  F16H55/30 ,  B62M1/36

CPC classification number: B62M9/105 ,  B62M3/00 ,  F16H55/30 ,  B62M1/36

Abstract: A cinch direct mount 2× ring system is disclosed. One embodiment discloses a chainring assembly having a drive side crank arm with a chainring assembly interface including a plurality of splines, a circumference, and an axial length. The chainring assembly includes a first chainring having a first outer diameter and a first center assembly shape. The chainring assembly includes a second chainring having a second outer diameter and a second center assembly shape, the second outer diameter being different than the first outer diameter. The chainring assembly also includes a fastener to couple the first chainring and the second chainring with the chainring assembly interface, such that at least one of the first center assembly shape or the second center assembly shape engages with the plurality of splines.

公开(公告)号：US20210276662A1

公开(公告)日：2021-09-09

申请号：US17326170

申请日：2021-05-20

Applicant: Fox Factory, Inc.

Inventor： Evan Michael CHOLTCO-DEVLIN ,  Jason KENNETT ,  David Robert EDWARDS

IPC: B62M9/10 ,  B62M1/36 ,  F16H55/30 ,  B62M3/00

Abstract: A cinch direct mount 2× ring system is disclosed. One embodiment discloses a chainring assembly having a drive side crank arm with a chainring assembly interface including a plurality of splines, a circumference, and an axial length. The chainring assembly includes a first chainring having a first outer diameter and a first center assembly shape. The chainring assembly includes a second chainring having a second outer diameter and a second center assembly shape, the second outer diameter being different than the first outer diameter. The chainring assembly also includes a fastener to couple the first chainring and the second chainring with the chainring assembly interface, such that at least one of the first center assembly shape or the second center assembly shape engages with the plurality of splines.

公开(公告)号：US20230015350A1

公开(公告)日：2023-01-19

申请号：US17839333

申请日：2022-06-13

Applicant: Fox Factory, Inc.

Inventor： Paul KLAWER ,  Wesley E. ALLINGER ,  Jason KENNETT

IPC: F16H55/30 ,  B62M9/10 ,  F16G13/06 ,  F16H55/08

Abstract: A chainring is disclosed. The chainring includes a plurality of teeth about the outer perimeter of the chainring; and a chain retention feature at a root of one or more of the plurality of teeth and traversing at least a portion of a circumference of the chainring, the chain retention feature to align with at least a portion of a roller chain and assist in a retention of the roller chain on the chainring.