DIFF Main Group
F16D 21/00 Systems comprising a plurality of actuated clutches (for synchronisation F16D23/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Systems comprising a plurality of mechanically-actuated clutches
CPC: Systems comprising a plurality of actuated clutches (for synchronisation F16D23/04)
Full Title
Full titles differ between systems:
IPC:
Systems comprising a plurality of mechanically-actuated clutches
CPC:
Systems comprising a plurality of actuated clutches (for synchronisation F16D23/04)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F16D 21/02 for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D) IPC+CPC Available in IPC and CPC
- F16D 21/08 Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged (F16D13/08, F16D13/12 take precedence) IPC+CPC Available in IPC and CPC