Side-by-side vehicle

• US 9,969,259 B2
• Filed: 05/19/2016
• Issued: 05/15/2018
• Est. Priority Date: 08/03/2010
• Status: Active Grant

• Current Assignee: Polaris Industries Incorporated (Polaris Inc.)
• Original Assignee: Polaris Industries Incorporated (Polaris Inc.)
• Inventors: Safranski, Brian M., Peterson, Robbi L., Sunsdahl, Richard L., Deckard, Aaron D., Brady, Louis J.
• Primary Examiner(s): Brown, Drew J
• Application Number:
  US15/159,561
• Publication Number:
  US 20170106747A1
• Time in Patent Office: 726 Days
• CPC Class Codes: B60G 2200/144 with two lateral arms forming a parallelogram
• CPC Class Codes: B60G 2200/1442 including longitudinal rods
• CPC Class Codes: B60G 2200/182 with one longitudinal arm or rod and lateral rods
• CPC Class Codes: B60G 2202/12 Wound spring
• CPC Class Codes: B60G 2202/24 Fluid damper
• CPC Class Codes: B60G 2204/128 Damper mount on vehicle body or chassis
• CPC Class Codes: B60G 2204/129 Damper mount on wheel suspension or knuckle
• CPC Class Codes: B60G 2204/143 on the vehicle body or chassis
• CPC Class Codes: B60G 2206/16 the arm having a U profile and/or made of a plate
• CPC Class Codes: B60G 2300/07 Off-road vehicles
• CPC Class Codes: B60G 2300/124 Quads
• CPC Class Codes: B60G 2300/13 Small sized city motor vehicles
• CPC Class Codes: B60G 3/14 the arm being rigid
• CPC Class Codes: B60G 3/20 all arms being rigid
• CPC Class Codes: B60G 3/202 having one longitudinal arm and two parallel transversal arms, e.g. dual-link type strut suspension
• CPC Class Codes: B60G 3/22 a rigid arm forming the axle housing
• CPC Class Codes: B60G 7/006 Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor B62D7/146 takes precedence
• CPC Class Codes: B60G 7/008 Attaching arms to unsprung part of vehicle B60G7/005, B60G7/006 take precedence
• CPC Class Codes: B60K 11/06 with air cooling
• CPC Class Codes: B60K 13/02 concerning intake
• CPC Class Codes: B60K 17/00 : Arrangement or mounting of transmissions in vehicles clutches per se, e.g. construction thereof, F16D; gearing per se, e.g. construction thereof, F16H
• CPC Class Codes: B60K 17/165 : provided between independent half axles B60K17/18, B60K17/20 take precedence
• CPC Class Codes: B60K 17/34 : for driving both front and rear wheels, e.g. four wheel drive vehicles arrangement or mounting of control devices for changing number of driven wheels B60K23/08
• CPC Class Codes: B60K 17/348 : having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed B60K17/346 takes precedence
• CPC Class Codes: B60K 17/354 : having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
• CPC Class Codes: B60K 2005/003 : the internal combustion or jet propulsion unit is arranged between the front and the rear axle
• CPC Class Codes: B60Y 2200/124 : Buggies, Quads
• CPC Class Codes: B60Y 2200/20 : Off-Road Vehicles
• CPC Class Codes: B60Y 2400/72 : Continous variable transmissions [CVT]
• CPC Class Codes: B60Y 2410/124 : Welded parts
• CPC Class Codes: B62D 21/183 : specially adapted for sports vehicles, e.g. race, dune buggies, go-karts tubular skeleton B62D23/005
• CPC Class Codes: B62D 63/04 : Component parts or accessories
• CPC Class Codes: Y10T 29/49815 : Disassembling
• CPC Class Codes: Y10T 29/49826 : Assembling or joining

Abstract

A vehicle may include a CVT unit or a power source which requires ambient air. An air inlet for an air intake system coupled to the CVT unit or the power source which requires ambient air may be provided in a side of a cargo carrying portion of the vehicle. The vehicle may include a rear radius arm suspension.

Claims

1. A vehicle, comprising:

a frame;

a plurality of ground engaging members supporting the frame;

a power source supported by the frame and operatively coupled to at least one of the plurality of ground engaging members to propel the vehicle;

a CVT supported by the frame, the CVT including a drive member, a driven member operatively coupled to the drive member, the drive member is operatively coupled to an output shaft of the power source, the drive member is operatively coupled to the at least one of the plurality of ground engaging members through the driven member, the driven member being completely longitudinally rearward of the drive member;

an operator area supported by the frame, the operator area including seating and operator controls, the plurality of ground engaging members including a first ground engaging member and a second ground engaging member both positioned rearward of the seating and a third ground engaging member and a fourth ground engaging member both positioned forward of the seating, the operator controls including a steering wheel operatively coupled to the third ground engaging member and the fourth ground engaging member, the seating including a plurality of bucket seats in a side-by-side arrangement;

a cargo carrying portion supported by the frame and positioned rearward of the seating, the cargo carrying portion including a cargo bed having a floor and a plurality of walls extending above the floor;

a rear drive supported by the frame and positioned rearward of the operator area, the rear drive being operatively coupled to the power source;

a first half shaft operatively coupled to the rear drive and the first ground engaging member to transfer power received from the power source to the first ground engaging member through the rear drive;

a second half shaft operatively coupled to the rear drive and the second ground engaging member to transfer power received from the power source to the second ground engaging member through the rear drive;

a front drive supported by the frame and positioned forward of the operator area, the front drive being operatively coupled to the power source;

a third half shaft coupled to the front drive and the third ground engaging member to transfer power received from the power source to the third ground engaging member through the front drive;

a fourth half shaft coupled to the front drive and the fourth ground engaging member to transfer power received from the power source to the fourth ground engaging member through the front drive;

a plurality of exterior body panels supported by the frame, the plurality of exterior body panels including a first exterior body panel portion positioned directly over a portion of the first ground engaging member and a second exterior body panel portion positioned directly over a portion of the second ground engaging member; and

a first rear suspension moveably coupling the first ground engaging member to the frame, the first rear suspension including

a first suspension arm extending along a longitudinal direction of the vehicle, the first suspension arm having a forward portion rotatably coupled to the frame through a first connection and a rearward portion coupled to the first ground engaging member, the first connection being positioned completely rearward of a forward most extent of the seating and completely forward of the first ground engaging member; and

a first dampening member having a lower portion and an upper portion, the lower portion of the first dampening member being moveably coupled to the first suspension arm through a second connection positioned completely forward of the first half shaft, the upper portion of the first dampening member being moveably coupled to the frame independent of the first suspension arm through a third connection positioned forward of the second connection, the third connection being positioned lower than the first exterior body panel portion positioned directly over the portion of the first ground engaging member, the second connection being positioned completely rearward of the first connection;

a second rear suspension moveably coupling the second ground engaging member to the frame, the second rear suspension including

a second suspension arm extending along the longitudinal direction of the vehicle, the second suspension arm having a forward portion rotatably coupled to the frame through a fourth connection and a rearward portion coupled to the second ground engaging member, the fourth connection being positioned completely rearward of the forward most extent of the seating and completely forward of the second ground engaging member; and

a second dampening member having a lower portion and an upper portion, the lower portion of the second dampening member being moveably coupled to the second suspension arm through a fifth connection positioned completely forward of the second half shaft, the upper portion of the second dampening member being moveably coupled to the frame independent of the second suspension arm through a sixth connection positioned forward of the fifth connection, the sixth connection being positioned lower than the second exterior body panel portion positioned directly over the portion of the second ground engaging member, the fifth connection being positioned completely rearward of the fourth connection;

a first front suspension moveably coupling the third ground engaging member to the frame, the first front suspension including

a first A-arm rotatably coupled to the frame and to the third ground engaging member; and

a third dampening member including a lower end and an upper end, the lower end being moveably coupled to the first A-arm and the upper end being moveably coupled to the frame independent of the first A-arm; and

a second front suspension moveably coupling the fourth ground engaging member to the frame, the second front suspension including

a second A-arm rotatably coupled to the frame and to the fourth ground engaging member; and

a fourth dampening member including a lower end and an upper end, the lower end being moveably coupled to the second A-arm and the upper end being moveably coupled to the frame independent of the second A-arm;

wherein the CVT and the power source are both positioned rearward of the seating, the first suspension arm of the first rear suspension being moveable relative to the second suspension arm of the second rear suspension and relative to the rear drive, the second suspension arm of the second rear suspension being moveable relative to the rear drive.

2. The vehicle of claim 1, further comprising a roll cage including a first portion coupled to the frame completely forward of the steering wheel of the operator controls and a second portion coupled to the frame rearward of the seating and completely forward of the first ground engaging member, the first connection being located forward of the second portion of the roll cage.

3. The vehicle of claim 1, further comprising a sway bar moveably coupled to the first suspension arm of the first rear suspension through a seventh connection and moveably coupled to the second suspension arm of the second rear suspension through an eighth connection, a middle portion of the sway bar is rotatably coupled to the frame and the middle portion is completely forward of the CVT.

4. The vehicle of claim 3, wherein a forward portion of the CVT is forward of the second connection and a rearward portion of the CVT is rearward of the second connection.

5. The vehicle of claim 4, wherein the seventh connection includes a first link having a first end rotatably coupled to the sway bar and a second end rotatably coupled to the first suspension arm and the eighth connection includes a second link having a first end rotatably coupled to the sway bar and a second end rotatably coupled to the second suspension arm.

6. The vehicle of claim 5, wherein the first link is completely rearward of the first connection and completely forward of the second connection and the second link is completely rearward of the fourth connection and completely forward of the fifth connection.

7. The vehicle of claim 1, wherein the first connection is laterally between a vertical centerline longitudinal plane of the vehicle and a second plane passing through a lateral most extent of the frame between the first ground engaging member and the third ground engaging member, the first ground engaging member and the third ground engaging member are both positioned on a first side of the vertical centerline longitudinal plane of the vehicle.

8. The vehicle of claim 1, wherein the first suspension arm is further moveably coupled to the frame through a seventh connection, the seventh connection being longitudinally offset relative to the first connection.

9. The vehicle of claim 8, wherein the rearward portion of the first suspension arm is laterally outboard of the first connection relative to the vertical centerline longitudinal plane of the vehicle.

10. The vehicle of claim 9, wherein the rearward portion of the first suspension arm extends rearward of the first half shaft.

11. A vehicle, comprising:

a frame;

a plurality of ground engaging members supporting the frame;

a power source supported by the frame and operatively coupled to at least one of the plurality of ground engaging members to propel the vehicle;

an operator area supported by the frame, the operator area including seating and operator controls;

a rear drive unit supported by the frame and positioned rearward of the operator area, the rear drive unit being operatively coupled to the power source and operatively coupled to a first ground engaging member positioned rearward of the operator area through a first half shaft to transfer power received from the power source to the first ground engaging member and to a second ground engaging member positioned rearward of the operator area through a second half shaft to transfer power received from the power source to the second ground engaging member, the first ground engaging member being positioned on a first side of a vertical centerline longitudinal plane of the vehicle and the second ground engaging member being positioned on a second side of the vertical centerline longitudinal plane of the vehicle;

a first rear suspension system moveably coupling the first ground engaging member to the frame, the first rear suspension system including

a first radius arm coupled to the first ground engaging member and moveably coupled to the frame through a first connection positioned completely forward of the first ground engaging member,

a first control arm moveably coupled to the first ground engaging member independent of the first radius arm through a second connection positioned completely rearward of the first connection and moveably coupled to the frame independent of the first radius arm through a third connection positioned completely rearward of the first connection; and

a first dampening member moveably coupled to the first radius arm through a fourth connection positioned completely rearward of the first connection and completely forward of the second connection and moveably coupled to the frame independent of the first radius arm through a fifth connection positioned completely rearward of the first connection, completely forward of the fourth connection, and higher than the fourth connection;

a second rear suspension system moveably coupling the second ground engaging member to the frame, the second rear suspension system including

a second radius arm coupled to the second ground engaging member and moveably coupled to the frame through a sixth connection positioned completely forward of the second ground engaging member,

a second control arm moveably coupled to the second ground engaging member independent of the second radius arm through a seventh connection positioned completely rearward of the sixth connection and moveably coupled to the frame independent of the second radius arm through a eighth connection positioned completely rearward of the sixth connection; and

a second dampening member moveably coupled to the second radius arm through a ninth connection positioned completely rearward of the sixth connection and completely forward of the seventh connection and moveably coupled to the frame independent of the second radius arm through a tenth connection positioned completely rearward of the sixth connection, completely forward of the ninth connection, and higher than the ninth connection;

and

a sway bar coupling the first rear suspension to the second rear suspension, the sway bar moveably coupled to the frame independent of the first radius arm and the second radius arm at a location forward of the power source.