Patent ID: 7377347

Claim:
A snowmobile comprising: a frame; an engine disposed on the frame; a drive track disposed below the frame and operatively connected to the engine for propulsion of the snowmobile; a straddle seat assembly attached to the frame rearward of the engine, the straddle seat assembly comprising a first seat portion having a first seat surface for a driver, the first seat surface being generally horizontal; a second seat portion disposed rearwardly of the first seat portion, the second seat portion having a second seat surface for a first passenger, the second seat surface being generally horizontal; a third seat portion disposed rearwardly of the second seat portion, the third seat portion having a third seat surface for a second passenger, the third seat surface being generally horizontal; a first intermediate surface disposed on one of the first seat portion and the second seat portion, the first intermediate surface being disposed rearwardly of the first seat surface and forwardly of the second seat surface, the first intermediate surface being inclined with respect to the first seat surface; a second intermediate surface disposed on one of the second seat portion and the third seat portion, the second intermediate surface being disposed rearwardly of the second seat surface and forwardly of the third seat surface, the second intermediate surface being inclined with respect to the second seat surface; the second seat portion and the third seat portion being selectively detachable from the frame; two skis disposed on the frame; and a steering device disposed on the frame forward of the straddle seat assembly and operatively connected to the two skis for steering the snowmobile.