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US 8,074,760 B2Granted
Arm member and straddle-type vehicle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorKazushige Aoki
Life of this patent
Estimating the term…
Abstract
A rear arm for a straddle-type vehicle that satisfies rigidity requirements and is manufactured more easily. The rear arm includes a pair of arms that support end sections of a wheel axle, and a cross member that connects the arms. The cross member is formed by bending a singular tabular member. A rear end section of the cross member has a recessed shape that is recessed toward pivot members.
Claims5
A vehicle comprising:
- a vehicle body frame including a pivot member;
- a wheel supported by a wheel axle;
- and
- an arm member including a pair of arms and a connecting member disposed between and connecting the pair of arms, the connecting member including one or more brackets;
- and
- a cushion unit arranged to connect a rear end portion of the pair of arms to the vehicle body frame;
- wherein
- the rear end portion of the pair of arms is arranged to support end sections of the wheel axle, and a front end portion of the pair of arms is connected to the pivot member of the vehicle body frame;
- the connecting member is connected to the vehicle body frame via the pair of arms, the connecting member includes a rear end section including a recessed section that is recessed toward the pivot member in a plan view of the vehicle, and the recessed section includes a rear surface that is opposed to the wheel axle;
- the connecting member is defined by a tabular member including one end section bent to abut against another end section of the tabular member in an abutting section of the rear surface that opposes the wheel axle;
- the one end section and the another end section are opposed to each other without projecting toward the wheel axle and are connected to each other via a weld;
- the rear surface includes first and second connections connecting the connecting member and the pair of arms at a rearward most portion of the connecting member, the first and second connections are defined by vertical straight lines, and the weld extends from the first connection to the second connection;
- and
- none of the one or more brackets extends rearward from the rear surface of the connecting member.
11 more elements
Dependencies are inferred from the claim text.