Gearings having three or more central gears (F16H3/68 - F16H3/78 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Gearings having three or more central gears

CPC: Gearings having three or more central gears (F16H3/68 - F16H3/78 take precedence)

Full Title

Full titles differ between systems:

IPC:

Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion > using gears having orbital motion > Gearings having three or more central gears

CPC:

Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion (speed-changing or reversing mechanisms F16H59/00 - F16H63/00) > using gears having orbital motion > Gearings having three or more central gears (F16H3/68 - F16H3/78 take precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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F16H 3/64 composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train IPC+CPC Available in IPC and CPC
F16H 3/66 composed of a number of gear trains without drive passing from one train to another +2 CPC IPC+CPC Available in IPC and CPC