초록 ▼

A snowmobile having a double A-arm front suspension is disclosed. The double A-arm front suspension includes an upper A-arm, a lower A-arm, and a spindle connecting the skis the upper A-arms and lower A-arms, the connection of the upper and lower A-arms to the spindle defines a caster angle, the upp

A snowmobile having a double A-arm front suspension is disclosed. The double A-arm front suspension includes an upper A-arm, a lower A-arm, and a spindle connecting the skis the upper A-arms and lower A-arms, the connection of the upper and lower A-arms to the spindle defines a caster angle, the upper A-arm and the lower A-arm are connected to the front portion of the frame such that the caster angle decreases when the front suspension is compressed. Also disclosed is a snowmobile having a suspension travel of at least 8 inches and a steering assembly having a single pitman arm.

대표청구항 ▼

What is claimed is: 1. A snowmobile comprising:a frame having a front portion and a rear portion;a drive track disposed below and supporting the rear portion of the frame;an engine mounted on the frame;a drive train operatively interconnecting the engine with the drive track for delivering propulsiv

What is claimed is: 1. A snowmobile comprising:a frame having a front portion and a rear portion;a drive track disposed below and supporting the rear portion of the frame;an engine mounted on the frame;a drive train operatively interconnecting the engine with the drive track for delivering propulsive power to the drive track;a front suspension having a left side and a right side, each side of the front suspension having an upper A-arm, a lower A-arm, and a spindle, connecting points of the upper A-arm and lower A-arm to the spindle defining a caster angle with respect to vertical, the upper A-arm and the lower A-arm being connected to the front portion of the frame such that the caster angle decreases when the front suspension is compressed;two skis connected to the front suspension system, one ski being connected to each spindle; anda steering assembly mounted on the frame and operatively connected to each spindle via steering rods for steering the skis.