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    SUSPENSION SYSTEMS FOR A VEHICLE
    6.
    发明专利
    SUSPENSION SYSTEMS FOR A VEHICLE 未知

    公开(公告)号：CA3071991C

    公开(公告)日：2021-10-19

    申请号：CA3071991

    申请日：2009-05-06

    Applicant: POLARIS INC

    Inventor： KINSMAN ANTHONY J ,  KNUTSON KELLY J ,  BRADY LOUIS J ,  GASS D BRETT

    IPC: B60G11/58 ,  B60G15/06 ,  B60G15/12 ,  B60G17/02

    Abstract: A vehicle comprises a frame, a power source supported by the frame, seating supported by the frame, the seating having at least one seat bottom and at least one seat back surface, an operator area adapted for use by a vehicle operator when the vehicle is in motion, the at least one seat bottom and the at least one seat back surface being positioned within the operator area, a roll cage supported by the frame and positioned to protect the operator area, a plurality of ground engaging members supporting the frame above the ground, the plurality of ground engaging members including at least two front ground engaging members positioned forward of the operator area and at least two ground engaging members located rearward of the operator area, wherein at least one of the plurality of ground engaging members are operatively coupled to the power source to propel the vehicle relative to the ground, a continuously variable transmission (CVT) supported by the frame, the power source being operatively coupled to at least one of the plurality of ground engaging members through the CVT to provide power from the power source to the at least one of the plurality of ground engaging member, a front suspension coupling a first ground engaging member of the at least two front ground engaging members to the frame, the front suspension including a shock, and a rear suspension coupling a first ground engaging member of the at least two rear ground engaging members to the frame, the rear suspension including a load leveling shock, wherein the load leveling shock is a self leveling shock which wants to stay at a first length and wherein when a load is placed on a cargo carrying surface of a rear portion of the vehicle positioned above the self leveling shock the self leveling shock is shortened and enters a pumping zone to pump fluid into a chamber within the self leveling shock resulting in the length of the self leveling shock returning towards the first length.

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