F16D 1/093 using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping (F16D1/091 takes precedence)
Introduced: January 2006
Title
Titles differ between systems:
IPC: using one or more elastic or segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
CPC: using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping (F16D1/091 takes precedence)
Full Title
Full titles differ between systems:
Couplings for rigidly connecting two coaxial shafts or other movable machine elements > for attachment of a member on a shaft or on a shaft-end > with clamping hub; with hub and longitudinal key > with radial clamping due to axial loading of at least one pair of conical surfaces > using one or more elastic or segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
Couplings for rigidly connecting two coaxial shafts or other movable machine elements (attachment of wheels to axles for railway carriages B60B; for attachment of cranks to their shafts F16C3/10) > for attachment of a member on a shaft or on a shaft-end (attachment of marine propellers on shafts B63H23/34) > with clamping hub; with hub and longitudinal key > with radial clamping due to axial loading of at least one pair of conical surfaces > using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping (F16D1/091 takes precedence)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2006.
Child Classifications
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- F16D 1/094 using one or more pairs of elastic or segmented rings with mutually mating conical surfaces, one of the mating rings being contracted and the other being expanded since 2006 +1 CPC IPC+CPC Available in IPC and CPC
- F16D 1/095 with clamping effected by ring contraction only since 2006 +1 CPC IPC+CPC Available in IPC and CPC
- F16D 1/097 with clamping effected by ring expansion only, e.g. with an expanded ring located between hub and shaft since 2006 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class F16,2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
- HYUNDAI MOTOR COMPANY KR 7,933
- ROBERT BOSCH DE 7,059
- KIA MOTORS CORPORATION KR 4,867
- SKF SE 4,729
- TOYOTA MOTOR CORPORATION JP 4,111
- FORD GLOBAL TECHNOLOGIES US 3,838
- GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
- TOYOTA MOTOR CORPORATION 3,499