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Mounting method for bottom bracket planetary

  • US 8,342,553 B2
  • Filed: 05/21/2010
  • Issued: 01/01/2013
  • Est. Priority Date: 05/27/2009
  • Status: Active Grant
First Claim
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1. A mounting device for a bicycle having a bottom bracket planetary gear system with a sun gear or ring gear, and a bottom bracket shell positioned at the convergence of a plurality of frame parts of a bicycle frame, the mounting device comprising:

  • a control plate having a body comprising a central aperture, an annular wall, a first surface and a second surface, the annular wall having a torque fix feature for engaging one of the frame parts, the aperture extending through the body, the second surface mounted against the bottom bracket shell;

    a drive side bearing flange positioned through the central aperture of the body of the control plate and positioned through an aperture of the bottom bracket shell through a first opening of the aperture;

    a control subassembly comprising a control input element and a control pawl, the control input element extending through the body of the control plate wherein the control pawl is positioned on the first surface of the control plate, the control input element controlled by a control cable; and

    wherein the control pawl blocks the sun gear, ring gear or a planet carrier of the bottom bracket planetary gear system of the bicycle thereby transferring the sun gear, ring gear or planet carrier force to the control pawl then to the control plate and then to the bicycle frame through the torque feature.

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