IPC Main Group
F16D 41/00 Freewheels or freewheel clutches
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- Subclass:
- COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
Related Keywords
FREEWHEEL mechanisms
8 direct subcodes
Child Classifications
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- F16D 41/02 disengaged by contact of a part of or on the freewheel or freewheel clutch with a stationarily-mounted member
- F16D 41/04 combined with a clutch for locking the driving and driven members
- F16D 41/06 with intermediate wedging coupling members between an inner and an outer surface
- F16D 41/12 with hinged pawl co-operating with teeth, cogs, or the like
- F16D 41/18 with non-hinged detent
- F16D 41/2 with expandable or contractable clamping ring or band
- F16D 41/22 with clutching ring or disc axially shifted as a result of lost motion between actuating members
- F16D 41/24 specially adapted for cycles
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
- TOYOTA MOTOR CORPORATION 7,215
- HYUNDAI MOTOR COMPANY KR 6,846
- ROBERT BOSCH DE 6,106
- NTN CORPORATION 5,305
- SKF SE 4,219
- KIA MOTORS CORPORATION KR 3,852
- NSK 3,850
- HONDA MOTOR COMPANY 3,639