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Sway Capable Stationary Bicycle Base

  • US 20100125029A1
  • Filed: 11/20/2008
  • Published: 05/20/2010
  • Est. Priority Date: 11/20/2008
  • Status: Active Grant
First Claim
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1. A sway capable base for a stationary bicycle comprising:

  • a rectangular base core positioned in a horizontal plane at equilibrium, unto which a bicycle frame is firmly attached in the center thereof;

    a rectangular horizontal base support resting on the ground, of the same size as the said base core and placed aligned under the said base core, unto which the base core and consequently the bicycle frame can sway side to side by rotating around the horizontal axis which is the intersection between the bicycle frame plane and the base core plane;

    said horizontal rotation axis, which is placed vertically above and parallel to the median line of the said base support;

    two hinges, fixed on the said base support, which define the opposite ends of the said axis and which act as mounting means of the base core unto the base support;

    four stiffening pneumatic or hydraulic struts or elastic air-filled chambers, each one connecting each corner of the base core to the corresponding underlying corner of the base support;

    said four stiffening struts being connected through ball-and-socket joints to the corresponding corner of the said base core and to the underlying corner of the said base support;

    said four stiffening elastic air-filled chambers having elastic casing allowing them to be firmly connected at its top center to the base core corner and at its bottom center to the base support corner;

    said two hinges being able to glide vertically (up and down) to allow the struts to self-adjust their resistance according to the weight of the rider in order to provide a constant sway response.

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