Invention Grant
- Patent Title: Magnetic bicycle chain retention mechanism
- Patent Title (中): 磁性自行车链条保持机构
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Application No.: US14683142Application Date: 2015-04-09
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Publication No.: US09580143B2Publication Date: 2017-02-28
- Inventor: David M. Earle , Jordan Andrew Kestler
- Applicant: Praxis Works LLC
- Applicant Address: US CA Santa Cruz
- Assignee: Praxis Works LLC
- Current Assignee: Praxis Works LLC
- Current Assignee Address: US CA Santa Cruz
- Agency: Kolisch Hartwell, P.C.
- Main IPC: B62M9/10
- IPC: B62M9/10 ; F16H55/30
Abstract:
An apparatus for driving a drive chain, such as on a bicycle, may include a chainring having teeth arranged around a circumference of the chainring, and one or more magnetic portions disposed adjacent to the teeth of the chainring. The one or more magnetic portions may be disposed on the chainring and/or on a frame to which the chainring is rotatably coupled.
Public/Granted literature
- US20150307156A1 MAGNETIC BICYCLE CHAIN RETENTION MECHANISM Public/Granted day:2015-10-29
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