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US 12,286,175 B2Granted
Snowmobile
AssigneePolaris Industries Inc.
InventorsMichael A. Hedlund, Michael L Fugleberg, Matthew J. Prusak, Jeffrey A Eaton
Life of this patent
Estimating the term…
Abstract
A snowmobile includes a chassis comprising a bulkhead and a tunnel, a front suspension coupled to bulkhead, a rear suspension coupled to the tunnel, and slide rails coupled to the rear suspension.
Claims19
A snowmobile, comprising:
- a chassis comprising a front chassis portion and a rear chassis portion, the front chassis portion including a bulkhead, the bulkhead comprising a plurality of frame members including at least one frame member;
- an engine supported by the chassis, the engine comprising an exhaust system;
- a steering post extending substantially along a longitudinal centerline of the snowmobile, the steering post extending over a top of the engine and coupled to the bulkhead;
- a pair of front steerable skis comprising a first steerable ski and a second steerable ski;
- a pair of spindles coupled to the skis comprising a first spindle coupled to the first steerable ski and a second spindle coupled to the second steerable ski;
- a first steering arm coupled to the first spindle;
- and
- a first coupling link interconnecting the first steering arm and the steering post and including a plurality of radially extending surfaces, the first coupling link being an extruded member forming plural pivot points.
5 more elements
A snowmobile, comprising:
- a chassis comprising a front chassis portion and a rear chassis portion, the front chassis portion including a bulkhead, the bulkhead comprising at least one frame member;
- an engine supported by the chassis, the engine comprising an exhaust system;
- a steering post extending substantially along a longitudinal centerline of the snowmobile, the steering post extending over a top of the engine and coupled to the bulkhead;
- a pair of front steerable skis comprising a first steerable ski and a second steerable ski;
- a pair of spindles coupled to the skis comprising a first spindle coupled to the first steerable ski and a second spindle coupled to the second steerable ski;
- a first steering arm coupled to the first spindle;
- a first coupling link interconnecting the first steering arm and the steering post;
- and
- wherein the first coupling link is an extruded member forming plural pivot points, and the first coupling link is coupled to the chassis independent of the steering post and spaced apart from the steering post, and the plural pivot points include a first portion of pivot points and a second portion of pivot points, and the first portion of pivot points are coupled between the steering post and the pair of front steerable skis and the second portion of pivot points are coupled to the chassis.
6 more elements
Dependencies are inferred from the claim text.