Tracked bicycle

  • US 7,571,913 B2
  • Filed: 01/24/2007
  • Issued: 08/11/2009
  • Est. Priority Date: 10/29/2001
  • Status: Active Grant
First Claim
Patent Images

1. A snow bike apparatus, comprising:

  • a) a frame having a seat;

    b) a front steering post and a handle bar, attached to one another and pivotally coupled to the frame;

    c) a drive assembly, coupled to the frame, including;

    i) a gear, rotatably coupled to the frame; and

    ii) a drive chain, movably disposed around the gear;

    d) a rear fork, pivotally coupled to the frame, having a pair of spaced apart members pivoted at a front or proximal end to the frame extending upward to a biasing attachment and then rearward and downward to a drive wheel attachment and then rearward to a bogie wheel attachment;

    e) a drive wheel, rotatably attachable to the rear fork, and operatively attachable to the drive chain;

    e) a bogie wheel, located rearward of, and spaced apart from, the drive wheel and rotatably coupled to the rear fork;

    f) a continuous track, movably disposed around the drive and bogie wheels; and

    h) a bias member, operatively coupled between the frame and the rear fork, configured to bias the drive wheel and bogie wheel towards the ground.

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