# US 2017/0282998 A1 · Swing arm of saddle riding vehicle

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- Number: US 2017/0282998 A1
- Document ID: US20170282998A1
- Status: Published application
- Kind: A1
- Application number: 15/469,665
- Filed: 2017-03-27
- Published: 2017-10-05
- Earliest claimed: 2016-03-31
- Assignees: Honda Motor Co., Ltd.
- Applicants: Honda Motor Co., Ltd.
- Inventors: Masayuki HIRAMARU; Keita MIKURA
- Web page: https://patentgrep.com/patent/US20170282998A1

## CPC

- B62K 25/283: {for cycles without a pedal crank, e.g. motorcycles}
- B62M 9/16: Tensioning or adjusting equipment for chains, belts or the like
- B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
- 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)

## Abstract

A swing arm includes an arm main body formed of a pipe member, and a reinforcement member configured to reinforce an axle support region of the arm main body. The arm main body has a notch formed by cutting out a portion of a region of a circumferential wall facing in a vehicle width direction. The reinforcement member is joined to the notch of the circumferential wall.

## Claims

### Claim 1

A swing arm of a saddle riding vehicle comprising:
an arm main body formed of a pipe member; and
a reinforcement member configured to reinforce an axle support region of the arm main body,
wherein the arm main body has a notch formed by cutting a portion of a region of a circumferential wall of the arm main body facing in a vehicle width direction, and
the reinforcement member is joined to the notch of the circumferential wall.

### Claim 2 (depends on 1)

The swing arm of the saddle riding vehicle according to claim 1,
wherein the notch is formed at a region of the circumferential wall facing the inside in the vehicle width direction, and
the reinforcement member has an axle support section disposed within a height range of the arm main body when seen in a side view.

### Claim 3 (depends on 1)

The swing arm of the saddle riding vehicle according to claim 1,
wherein the reinforcement member has a support hole configured to support an axle, and
the notch of the arm main body is cut out throughout a range surrounding the support hole of the reinforcement member.

### Claim 4 (depends on 1)

The swing arm of the saddle riding vehicle according to claim 1,
wherein the reinforcement member has the axle support section configured to support the axle, and a cushion connecting section to which an end portion of a rear cushion is connected.

### Claim 5 (depends on 4)

The swing arm of the saddle riding vehicle according to claim 4,
wherein cover fixing sections configured to fix a chain cover that covers the outside of a chain for driving a rear wheel are formed at the cushion connecting section.

### Claim 6 (depends on 4)

The swing arm of the saddle riding vehicle according to claim 4,
wherein the reinforcement member has joining sections joined to the arm main body so as to extend forward and rearward and sandwiching the cushion connecting section.

### Claim 7 (depends on 4)

The swing arm of the saddle riding vehicle according to claim 4,
wherein the cushion connecting section is formed to be offset with respect to the support hole of the reinforcement member in a forward/rearward direction of a vehicle body.