Patent ID: 7520360
Filing Date: 2009-04-21
Classification: B62K

Abstract:
1. An improved motorcycle rear suspension providing a horizontal air bag suspension mechanism, adapted to a modified rear portion of a motorcycle frame comprising: said rear portion of a motorcycle frame having two upper rear backbone tubes, two lower frame rails, an upper cross frame member attaching said two upper rear backbone tubes, a lower cross frame member attaching said two lower frame rails, two intermediary upright support components each connecting a respective upper backbone tube and a lower frame rail and two rear upright frame members each connecting a respective backbone tube and a lower frame rail, said two intermediary upright support components attaching an upper air bag suspension mounting plate defining a pair of plate bracket flanges and each rear upright frame member defining an axially aligned axle frame disk bore with an inner seat ring; a rear suspension assembly comprising a first rear axle frame member and a second rear axle frame member, pivotally connecting to said axle frame disk bores by a respective inner pivot disk, an outer pivot disk and a support arm bolt, said first and second rear axle frame members are joined together and connected to a transfer channel bracket which is pivotally attached to a rear segment of said air bag suspension mechanism, with a front segment of said air bag suspension mechanism pivotally attaching to said plate bracket flanges of said upper air bag suspension mounting plate attaching to said intermediary upright support component, said air bag suspension mechanism compressing and expanding under pressure providing a horizontal suspension of said first and second rear axle frame members; and a rear axle upon which a motorcycle wheel is applied, attached to said rear motorcycle suspension by axle bolts.