CPC Subgroup
F16G 13/02 Driving-chains (specially adapted to gearings with variable gear-ratio F16H9/00)
Full Title
Chains (making thereof B21L) > Driving-chains (specially adapted to gearings with variable gear-ratio F16H9/00)
4 direct subcodes
Child Classifications
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- F16G 13/04 Toothed chains
- F16G 13/06 with links connected by parallel driving-pins with or without rollers
- F16G 13/08 with links closely interposed on the joint pins (F16G13/04 takes precedence)
- F16G 13/10 with universal joints