Arctic Cat Inc.

Artic Cat Inc.

Kirk D Hibbert

Russell L Ebert

The specification herein discloses a tracking control system for a vehicle such as a snowmobile. Such a vehicle includes a chassis with at least one ride member, such as a ski. The tracking control system includes a suspension arm, a spindle, and a slide bar. The suspension arm extends outwardly from the chassis, the arm being pivotally secured to the chassis. The spindle is secured to an outward end of the suspension arm. The spindle has an upper end a lower end with the slide bar secured to the lower end. The slide bar is oriented generally transverse to the spindle and to a major axis of the ski. The ski is movably coupled to the slide bar and spring biased in a direction away from the chassis.

Vehicle tracking control system

A snowmobile track suspension is disclosed. The track suspension includes a chassis, a skid frame, a front arm, an idler arm, and a rear arm. The chassis includes a tunnel. The skid frame includes rails along which the track rides. The front arm has a forward end pivotally and slidably connected to the tunnel. The front arm also includes a rearward end pivotally connected to the rails. The idler arm includes a forward end pivotally connected to the tunnel and a rearward end connected to the rear arm. Such connection is at the upper end of the rear arm, with the lower end of the rear arm pivotally coupled to the rails.

Snowmobile track suspension

A suspension system for a vehicle, having at least first and second shock absorbers. The first shock absorber has a first main piston, and the second shock absorber has a second main piston. The shock absorbers are motively linked such that when the first main piston retracts, the second main piston is also caused to retract. The first and second shock absorbers may be hydraulic shock absorbers, wherein the first shock absorber defines a first hydraulic chamber therein, and the second shock absorber defines a second hydraulic chamber therein, the first and second hydraulic chambers being connected with a hydraulic line, so that causing the first main piston to retract reduces the size of the first hydraulic chamber, which increases the size of the second hydraulic chamber, which then causes the second main piston to retract. The suspension system may include an adjustor for convenient adjusting of the suspension system. The suspension system may include a remote reservoir to accommodate changes in the volumes of the first and second hydraulic chambers.

Linked suspension system for a vehicle

An axle mount device for mounting an axle to a snowmobile track suspension frame has a base portion and an adjuster portion. The base portion has an axis and a bore coincident with the axis. The adjuster portion is secured to the base portion asymmetrically with respect to the axis, and engages an opening in the frame. The axle mount may be moved between first and second positions to vary a position of the axle with respect to the frame.

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Goodridge, MN, United States of America

Kirk D Hibbert