4. Machine element or mechanism
  5. Control lever and linkage systems
  6. Hand operated

Ermanno Righi

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Articulated chain for drive transmission in bicycles

Endless belt power transmission systems or components – Positive drive belt – Belt formed of rigid links
Reexamination Certificate

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Bicycle change gear mechanism

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Command device for a bicycle gear change

Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2284682

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