초록 ▼

A suspension device for providing a resilient support for a snowmobile body includes a frame for supporting the snowmobile body. A slide rail is operatively connected to the frame for pressing a crawler belt against a snow surface. A swing arm includes a first end pivotally supported on the frame an

A suspension device for providing a resilient support for a snowmobile body includes a frame for supporting the snowmobile body. A slide rail is operatively connected to the frame for pressing a crawler belt against a snow surface. A swing arm includes a first end pivotally supported on the frame and a second end pivotally mounted on the slide rail. A shock absorber includes a first end pivotally supported on a shaft adjacent to the first end of the swing arm, and a second end of the shock absorber being connected to the frame through a progressive link pivotally supported on the swing arm.

대표청구항 ▼

[ What is claimed is:] [1.] A suspension device for a snowmobile for resiliently supporting a snowmobile body comprising:a frame for supporting the snowmobile body;a slide rail for pressing a crawler belt against a snow surface;a swing arm having a front upper end pivotally supported on said frame a

[ What is claimed is:] [1.] A suspension device for a snowmobile for resiliently supporting a snowmobile body comprising:a frame for supporting the snowmobile body;a slide rail for pressing a crawler belt against a snow surface;a swing arm having a front upper end pivotally supported on said frame and a rear lower end pivotally mounted on said slide rail; anda rear cushion unit having a hydraulic buffer and a suspension spring, said rear cushion unit includes a front upper end pivotally supported adjacent to the front upper end of said swing arm, and a rear lower end of said rear cushion unit is connected to said frame through a progressive link pivotally supported on the swing arm, the progressive link being a plate including a first end connected to said frame, a second end connected to said rear lower end of said rear cushion unit and a central portion connected to said swing arm.