US 7,451,846 B2Granted

Snowmobile frame

AssigneeBombardier Recreational Products Inc.

InventorsJerome Wubbolts, Anne-Marie Dion

Life of this patent

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Abstract

A snowmobile frame includes a tunnel, the tunnel includes a left structure having a front portion and a rear portion, a right side structure having a front portion and a rear portion, a radiator interconnecting the rear portion and the left side structure with the rear portion of the right side structure, and an engine cradle forward of the tunnel. The engine cradle includes a front wall connecting the front portion of the left side structure and the front portion of the right side structure, a rear wall interconnecting the left side structure and the right side structure, and a bottom plate intermediate the front wall and the rear wall and interconnecting the left side structure with the right side structure. A snowmobile including the snowmobile frame includes an engine and a fastener passing through a hole in one of the left side structure and the right side structure to fasten the engine thereto.

Claims4

Dependent claims

A snowmobile, comprising:

a frame including a tunnel;
a handlebar disposed on said frame;
at least two skis mounted at a forward portion of said frame, the at least two skis being operatively connected to said handlebar to provide steering control of said snowmobile;
an engine supported by said frame;
and
an endless track positioned below the tunnel indirectly connected to the engine, wherein the tunnel includes:
a left portion including a substantially horizontal top, a substantially vertical side extending downwardly from the top, and a substantially horizontal left footrest extending outwardly from the side;
a right portion including a substantially horizontal top, a substantially vertical side extending downwardly from the top, and a substantially horizontal right footrest extending outwardly from the side;
and
a radiator disposed between the top of the left portion and the top of the right portion, the radiator connecting the left portion to the right portion along a majority of a length of the tunnel over the endless track.

7 more elements

Dependencies are inferred from the claim text.

Facts

Application: 11/330,064Filed 12 Jan 2006 · continuation
Priority: CA 225694423 Dec 1989
Published: US 2006/0108164 A125 May 2006
Granted: 18 Nov 2008
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

B62K 5/027
Tricycles: motorcycles with three wheels
B62J 35/00
Fuel tanks specially adapted for motorcycles or engine-assisted cycles
B62K 5/05
Tricycles: characterised by a single rear wheel
B62K 5/06
Tricycles: frames for tricycles

Family

Application09/472,133Parent of this continuation-in-part · filed 23 Dec 1999
Application60/237,384Us provisional application · filed 4 Oct 2000
Application60/246,110Us provisional application · filed 7 Nov 2000
Application09/877,064Parent of this division · filed 11 Jun 2001
Application10/141,135Parent of this continuation · filed 9 May 2002
US 6,446,744 B2Parent of this division · filed 10 Sep 2002
US 2006/0108164 A1Pre-grant publication · published 25 May 2006
Application10/141,135Parent of this division
Application10/141,135Parent of this continuation-in-part
US 2001/0040063 A1Published application
US 2002/0129984 A1Published application
US 7,451,846 B2This patent

From the US filing history. Foreign family members aren’t listed.