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ACTUATION DEVICE FOR A CONTROL CABLE FOR A BICYCLE GEARSHIFT

  • US 20090025504A1
  • Filed: 09/19/2008
  • Published: 01/29/2009
  • Est. Priority Date: 02/06/2004
  • Status: Active Grant
First Claim
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1. Actuation device for a control cable for a bicycle gearshift, comprising:

  • a housing, attachable to a bicycle handlebar,a cable-winding bobbin, angularly mobile in the housing about a main axis of the device,a first driving mechanism, acting on the bobbin to rotate it in a first angular direction,a second driving mechanism, acting on the bobbin to rotate it in a second angular direction opposite the first,an indexer assembly to removably hold the bobbin in predetermined angular positions,wherein said indexer assembly comprises;

    a first countering member, to counter the rotation of the bobbin in the first direction,a second countering member, distinct from the first countering member, to counter the rotation of the bobbin in the second direction.

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