Lightweight integrated rear suspension and drive enclosure for a ridden motorized vehicle

• US 8,950,539 B2
• Filed: 12/30/2012
• Issued: 02/10/2015
• Est. Priority Date: 01/03/2012
• Status: Expired due to Fees

• Current Assignee: Hero MotorCorp Ltd.
• Original Assignee: Hero MotorCorp Ltd.
• Inventors: Buell, Erik, Stefanelli, Anthony, Fox, John, Bunne, Jonathan, Antczak, Chad, Battaglini, Giancarlo, Iwinski, Dean
• Primary Examiner(s): WINNER, TONY H
• Application Number:
  US13/731,074
• Publication Number:
  US 20130168172A1
• Time in Patent Office: 772 Days
• Field of Search: 180218-221, 180/227, 180/231
• US Class Current: 180/227
• CPC Class Codes: B60L 2200/12 Bikes
• CPC Class Codes: B60L 2270/142 acoustic
• CPC Class Codes: B60L 2270/145 Structure borne vibrations
• CPC Class Codes: B62K 11/00 Motorcycles, engine-assisted cycles or motor scooters with one or two wheels fairings or streamlining parts not forming part of the frame B62J; transmission of drive from engines to wheels B62M
• CPC Class Codes: B62K 11/04 characterised by the engine being between front and rear wheels
• CPC Class Codes: B62K 2202/00 Motorised scooters
• CPC Class Codes: B62K 2204/00 Adaptations for driving cycles by electric motor
• CPC Class Codes: B62K 25/283 for cycles without a pedal crank, e.g. motorcycles
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

A ridden motorized vehicle such as a motorized scooter, motorcycle, ATV, tricycle, snowmobile, or lawn tractor, having a driven rear wheel may be equipped with an enclosed chain or belt drive enclosure having a first end and a second end and an inner enclosure and an outer enclosure, such that the inner enclosure has the rear suspension member and the rear wheel mounted at the second end, and concentrically pivots at the first end on the motor assembly output shaft of a motor assembly fastened to or comprising part of the main vehicle frame, and the outer enclosure pivoted on another bearing co-linear with the motor assembly output shaft, but mounted on a removable section of, or attachment to, said frame.

Claims

1. A ridden vehicle comprising:

a frame;

a motor assembly attached to the frame, the motor assembly having an output shaft;

a drive enclosure having a first end and a second end, the first end having a frame connection point aligned with the output shaft of the motor assembly, and the second end having a wheel connection point, the drive enclosure adapted to pivot about the frame connection point;

a wheel connected to the wheel connection point at the second end of the drive enclosure;

a linkage apparatus disposed between the output shaft of the motor assembly and the wheel connected at the second end of the drive enclosure, the linkage apparatus adapted to transfer power from the output shaft of the motor assembly to the wheel.

2. The ridden vehicle as claimed in claim 1, wherein the motor assembly comprises a motor and at least one gear.

3. The ridden vehicle as claimed in claim 1, wherein the linkage apparatus between the output shaft of the motor assembly and the wheel is a chain.

4. The ridden vehicle as claimed in claim 1, wherein the linkage apparatus between the output shaft of the motor assembly and the wheel is a belt.

5. The ridden vehicle as claimed in claim 1, wherein the linkage apparatus between the output shaft of the motor assembly and the wheel is a drive shaft.

6. The ridden vehicle as claimed in claim 1, further comprising a tensioner mounted in the drive enclosure and adapted to exert a tension force to the linkage apparatus.

7. The ridden vehicle as claimed in claim 1, wherein the frame further comprises a removable motor assembly mount portion.

8. The ridden vehicle as claimed in claim 1, further comprising a second drive enclosure, disposed on an opposite side of the ridden vehicle from the drive enclosure, the second drive enclosure having a first end and a second end, the first end of the second drive enclosure having a frame connection point aligned with the output shaft of the motor assembly, and the second end of the second drive enclosure having a wheel connection point, the second drive enclosure adapted to pivot about the frame connection point.

9. The ridden vehicle as claimed in claim 1, further comprising shock absorber, the shock absorber disposed between the drive enclosure and the frame.

10. The ridden vehicle as claimed in claim 1, wherein the drive enclosure comprises a first part and a second part, the first part positioned inward of the ridden vehicle, adjacent the rear wheel, the second part positioned outwardly and fastened to the first part, opposite the rear wheel.

11. The ridden vehicle as claimed in claim 1, where the drive enclosure is a monocoque drive enclosure.

12. The ridden vehicle as claimed in claim 1, wherein the ridden vehicle is a motor scooter.

13. The ridden vehicle as claimed in claim 1, wherein the ridden vehicle is an electric scooter.

14. The ridden vehicle as claimed in claim 1, wherein the ridden vehicle is a hybrid scooter.

15. The ridden vehicle as claimed in claim 1, further comprising:

at least one first sprocket attached to the output shaft of the motor assembly; and

,

at least one second sprocket attached to the rear wheel axle,

the linkage disposed between the first sprocket and the second sprocket.

16. The ridden vehicle as claimed in claim 1, wherein the drive enclosure is disposed between the frame and the rear wheel on a single side of a ridden vehicle.

17. A drive enclosure for a ridden vehicle, comprising:

an inner drive enclosure disposed between a ridden vehicle frame and a rear wheel of a ridden vehicle, the inner drive enclosure having a first end and a second end, the first end having a frame connection point, and the second end having a wheel connection point, the inner drive enclosure adapted to pivot about the frame connection point aligned with the output shaft of a ridden vehicle motor assembly; and

an outer drive enclosure fastened to the inner drive enclosure.

18. The drive enclosure as claimed in claim 17, wherein the outer drive enclosure comprises a first end and a second end, the first end having a frame connection point, and the second end having a wheel connection point, the inner drive enclosure adapted to pivot about the frame connection point aligned with a ridden vehicle motor assembly output shaft.

19. The drive enclosure as claimed in claim 17 wherein the inner drive enclosure and outer drive enclosure form a monocoque drive enclosure.

20. The drive enclosure as claimed in claim 17, wherein the drive enclosure is adapted to be disposed on a single side of a ridden vehicle between a frame and rear wheel of the ridden vehicle.