Axle retention for an electric bicycle
US-2024409183-A1 · Dec 12, 2024 · US
Bicycle drive unit
US9017201B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9017201-B2 |
| Application number | US-201213608151-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 10, 2012 |
| Priority date | Oct 13, 2011 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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Abstract
Official abstract text for this publication.
A bicycle drive unit includes a motor, a transmission mechanism and a torque combining member. The motor includes a crank axle receiving hole. The transmission mechanism includes a plurality of selectable gear ratios. The torque combining member is operatively coupled to the motor and the transmission mechanism to combine an output of the motor and an output of the transmission mechanism together.
First claim
Opening claim text (preview).
What is claimed is: 1. A bicycle drive unit comprising: a motor including a crank axle receiving hole; a crank axle rotatably disposed in the crank axle receiving hole of the motor; a transmission mechanism including a plurality of selectable gear ratios; and a torque combining member operatively coupled to the motor and the transmission mechanism to combine an output of the motor and an output of the transmission mechanism together, the crank axle and the motor being conf…
Assignees
Inventors
Classifications
- B62M6/55Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9017201B2 cover?
- A bicycle drive unit includes a motor, a transmission mechanism and a torque combining member. The motor includes a crank axle receiving hole. The transmission mechanism includes a plurality of selectable gear ratios. The torque combining member is operatively coupled to the motor and the transmission mechanism to combine an output of the motor and an output of the transmission mechanism together.
- Who is the assignee on this patent?
- Hino Tetsuya, Watarai Etsuyoshi, Shimano Kk
- What technology area does this patent fall under?
- Primary CPC classification B62M6/55. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).