DIFF Subgroup
F16F 7/08 with friction surfaces rectilinearly movable along each other (F16F7/01 takes precedence )
Introduced: September 1968
Title
Titles differ between systems:
IPC: with friction surfaces rectilinearly movable along each other
CPC: with friction surfaces rectilinearly movable along each other (F16F7/01 takes precedence )
Full Title
Full titles differ between systems:
IPC:
Vibration-dampers; Shock-absorbers > with friction surfaces rectilinearly movable along each other
CPC:
Vibration-dampers; Shock-absorbers (using fluid F16F5/00, F16F9/00; specific for rotary systems F16F15/10 ) > with friction surfaces rectilinearly movable along each other (F16F7/01 takes precedence )
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- F16F 7/09 in dampers of the cylinder-and-piston type since 1995 +1 CPC IPC+CPC Available in IPC and CPC