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US 7,407,031 B2Granted
All terrain vehicle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsTomoyuki Hayashi, Masayuki Uchiyama
Life of this patent
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Abstract
An all terrain vehicle has necessary rigidity despite a split-type body frame being used. A body frame is split into front and rear subframes along a front-to-rear direction of the vehicle, the subframes being detachably linked to each other via bolts. An upper linking section between the subframes is disposed between an engine upper suspension section for suspending an upper portion of an engine unit and an engine rear suspension section for suspending a rear portion of the engine unit.
Claims8
An all terrain vehicle comprising:
- a double cradle body frame including right and left frame members which are integrally coupled via a plurality of cross members;
- an engine unit which is suspended from the body frame;
- and
- a rear arm which is supported at a rear portion of the body frame so as to be movable up and down;
- wherein
- the body frame is split into a front subframe and a rear subframe, and the front and rear subframes are detachably linked together via a fastening element at an upper linking section and a lower linking section;
- the rear subframe includes a vertical side portion extending substantially along a top-to-bottom direction of the vehicle, and an engine rear suspension section is located on the vertical side portion;
- the front subframe includes a horizontal side portion extending substantially horizontally below the engine, and an engine lower suspension section arranged to suspend a lower portion of the engine unit is provided on the horizontal side portion;
- and
- the lower linking section includes a rear end of the horizontal side portion of the front subframe attached to a lower end of the vertical side portion of the rear subframe via a bolt;
- and
- a footrest is mounted on the lower linking section, the footrest being concurrently fastened with the bolt used in the lower linking section.
9 more elements
Dependencies are inferred from the claim text.