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An apparatus as an after-market, upgrade kit constructed and arranged to be installed onto an coupled snowmobile suspension system that, when installed, provides for quick and easily accessible coupling adjustment. Specifically, the upgrade kit of the present invention is configured to be installed

An apparatus as an after-market, upgrade kit constructed and arranged to be installed onto an coupled snowmobile suspension system that, when installed, provides for quick and easily accessible coupling adjustment. Specifically, the upgrade kit of the present invention is configured to be installed onto the Polaris.RTM. line of snowmobiles. The upgrade kit includes a shaft having an axis of rotation, a pair of coupling blocks, and an indexer plate. The coupling blocks are adapted to be fixedly connected relative to the axis of rotation at each end of the shaft so that a torque in the shaft will be transmitted to the coupling blocks. The coupling blocks have a plurality of sides corresponding to a plurality of positions of the coupling blocks, each of the sides being located at a different distance from the axis of the shaft when the coupling blocks are connected to the shaft. The indexer plate is adapted to engage one of the coupling blocks at a selected positions of the coupling blocks. The shaft is constructed and arranged to be mounted between a longitudinal pair of slide rails of the snowmobile suspension with two bolts, and the coupling blocks are adapted to be rotated about the axis to thereby adjust the coupling of the snowmobile. A pair of support brackets are attached on the outside of the slide rails to the shaft to pass forces seen by the coupling blocks to the slide rails. Adjustment of the coupling blocks is accomplished by applying a torque to one of the bolts in a direction which tightens the bolt.

대표청구항 ▼

1. An upgrade kit for a coupled snowmobile suspension, the upgrade kit comprising:a shaft having an axis of rotation; a pair of coupling blocks, each adapted to be fixedly connected relative to the axis of rotation at each end of said shaft so that a torque on said shaft will be transmitted to said

1. An upgrade kit for a coupled snowmobile suspension, the upgrade kit comprising:a shaft having an axis of rotation; a pair of coupling blocks, each adapted to be fixedly connected relative to the axis of rotation at each end of said shaft so that a torque on said shaft will be transmitted to said coupling blocks, said blocks having a plurality of sides corresponding to a plurality of positions of said coupling blocks, each of said sides being located at a different distance from said axis when said coupling blocks are connected to said shaft; and an indexer plate adapted to engage one of said coupling blocks in a selected one of said positions of said coupling blocks, wherein the shaft is constructed and arranged to be mounted between a longitudinal pair of slide rails of the snowmobile suspension, wherein the coupling blocks are adapted to be rotated about said axis to thereby adjust the coupling of the snowmobile.