IPC Subgroup
F16D 3/26 Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected
Introduced: September 1968
Last revised: January 2006
Full Title
Yielding couplings, i.e. with means permitting movement between the connected parts during the drive > Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts > Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected
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
HOOKE'S jointsHooke's JOINTS
6 direct subcodes
Child Classifications
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- F16D 3/27 with two or more intermediate members pivotally or slidably connected together, e.g. tongue-and-slipper type joints
- F16D 3/28 in which the interconnecting pivots include elastic members
- F16D 3/3 in which the coupling is specially adapted to constant velocity-ratio
- F16D 3/36 in which each pivot between the coupling parts and the intermediate member comprises a single ball
- F16D 3/38 with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D 3/44 the intermediate member being connected to the coupling parts by ridges, pins, balls, or the like guided in grooves or between cogs
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