Front derailleur and chain guide
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 31, 2011
Grant Date -
Jan 26, 2006
app pub date -
Jun 17, 2005
filing date -
Jan 20, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A front derailleur including a chain guide for engagement and disengagement of a bicycle chain with multiple chain rings of a crankset is disclosed. The chain guide may be positioned by linear guide rods. The chain guide may have an inner lifting surface and an outer pulling surface for engaging diametrically opposed corners of a chain when viewed in cross-section.
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