# US 11,299,239 B2 · Bicycle electrical rear derailleur

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- Number: US 11,299,239 B2
- Document ID: US11299239B2
- Status: Granted
- Kind: B2
- Application number: 16/438,191
- Filed: 2019-06-11
- Published: 2019-09-26
- Granted: 2022-04-12
- Earliest claimed: 2015-10-30
- Assignees: Shimano Inc.
- Applicants: Shimano Inc.
- Inventors: Atsushi Komatsu; Shingo Sakurai; Yuta Kurokawa
- Web page: https://patentgrep.com/patent/US11299239B2

## CPC

- B62M 9/122: electrically or fluid actuated; Controls thereof
- B62J 45/20: Cycle computers as cycle accessories
- B62K 19/36: for attaching saddle pillars, e.g. adjustable during ride
- B62K 25/286: {the shock absorber being connected to the chain-stay via a linkage mechanism}
- B62K 25/30: pivoted on pedal crank shelf (B62K25/32 takes precedence)
- B62M 9/132: electrically or fluid actuated; Controls thereof
- B62M 25/08: with electrical or fluid transmitting systems
- B62K 2025/048: {with suspension manual adjustment details}
- B62M 2025/006: {with auxiliary shift assisting means}
- B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16)
- B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE

## Abstract

A bicycle electrical rear derailleur is provided that basically includes a wireless communication unit and an electrical port. The wireless communication unit is configured to wirelessly receive a control signal. The electrical port is configured to be detachably connected to an electrical cable.

## Claims

### Claim 1

A bicycle electrical rear derailleur comprising:
a wireless communication unit configured to wirelessly receive a control signal;
an electrical cable;
an electrical port configured to be detachably connected to the electrical cable, the wireless communication unit being configured to receive electrical power from a power supply unit via the electrical cable.

### Claim 2 (depends on 1)

The bicycle electrical rear derailleur according to claim 1, wherein
the electrical port is an electrical female electrical receptor.

### Claim 3

The bicycle electrical rear derailleur according to claim wherein
the wireless communication unit includes a first housing.

### Claim 4 (depends on 1)

The bicycle electrical rear derailleur according to claim 1 wherein
the wireless communication unit includes a wireless communicator that is configured to receive shift signals and to transmit at least one of position data and operational data.

### Claim 5 (depends on 1)

The bicycle electrical rear derailleur according to claim 1, further comprising
a structure configured to detachably attach the wireless communications unit.

### Claim 6 (depends on 1)

The bicycle electrical rear derailleur according to claim 1, further comprising
a movable member; and
an electrical actuation unit configured to actuate the movable member.

### Claim 7

The bicycle electrical rear derailleur according to claim wherein
the electrical actuation unit is configured to receive electrical power from the power supply unit via the electrical cable.

### Claim 8 (depends on 6)

The bicycle electrical rear derailleur according to claim 6, wherein
the electrical actuation unit is configured to receive a control signal from the electrical cable or the wireless communication unit.

### Claim 9 (depends on 6)

The bicycle electrical rear derailleur according to claim 6, wherein
the electrical actuation unit includes the electrical port.

### Claim 10 (depends on 6)

The bicycle electrical rear derailleur according to claim 6, further comprising
a base member configured to support the electrical actuation unit with respect to the bicycle frame.

### Claim 11 (depends on 10)

The bicycle electrical rear derailleur according to claim 10, wherein
the movable member includes a chain guide and the base member that supports the chain guide with respect to the bicycle frame.

### Claim 12

A bicycle electrical rear derailleur comprising:
a base member;
a movable member;
a linkage;
a chain guide;
an electrical cable;
a wireless communication unit configured to wirelessly receive a control signal, the wireless communication unit being configured to receive electrical power via the electrical cable, the wireless communication unit being disposed on the base member; and
an electrical port configured to be detachably connected to the electrical cable.

### Claim 13 (depends on 1)

The bicycle electrical rear derailleur according to claim 1 wherein
the wireless communication unit is supported to a housing of the power supply unit, the power supply unit having the electrical port that is detachably connected to the electrical cable.