IPC Subgroup
F16D 41/06 with intermediate wedging coupling members between an inner and an outer surface
Introduced: September 1968
Last revised: January 2006
Full Title
Freewheels or freewheel clutches > with intermediate wedging coupling members between an inner and an outer surface
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
5 direct subcodes
Child Classifications
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- F16D 41/061 the intermediate members wedging by movement having an axial component
- F16D 41/063 the intermediate members wedging by moving along the inner and the outer surface without pivoting or rolling, e.g. sliding wedges
- F16D 41/064 the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D 41/069 the intermediate members wedging by pivoting or rocking, e.g. sprags
- F16D 41/08 with provision for altering the freewheeling action
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