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Class Information
Number: 464/159
Name: Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts > Coupling accommodates drive between members having misaligned or angularly related axes > Torque transmitted via intermeshing teeth on drive and driven members > Teeth on radially overlapping surfaces > Spherical or semispherical surfaces
Description: Subject matter wherein at least one of said surfaces carrying said alternating ridges and valleys is spherical or partially spherical in shape.

Patents under this class:

Patent Number Title Of Patent Date Issued
8366339 Two-section tool joint Feb. 5, 2013
8096212 Two-section tool joint Jan. 17, 2012
7942426 Pivotal/rigid accessories for power and hand tools May. 17, 2011
7228767 Tool connecting device Jun. 12, 2007
7153214 Universal joint Dec. 26, 2006
7018298 Pivotal driving tool assembly Mar. 28, 2006
6939235 Assembly of a drive shaft with the cutting head hub of a submersible granulator Sep. 6, 2005
6871719 Drive train member having convex splines Mar. 29, 2005
6869366 Universal joint Mar. 22, 2005
6837315 Rotary steerable drilling tool Jan. 4, 2005
6709234 Impeller shaft assembly system Mar. 23, 2004
6290606 Polygonal ball drive system for earth auger Sep. 18, 2001
6264567 Rotation connection for connecting unaligned machine elements Jul. 24, 2001
6234907 Quick disconnect driveshaft transmission yoke May. 22, 2001
6196922 Universal joint coupling in particular arranged on a universal joint shaft of an eccentric worm machine Mar. 6, 2001
6152826 Impact universal joint Nov. 28, 2000
5716279 Apparatus and method for coupling an output shaft of a motor to a secondary shaft Feb. 10, 1998
5647802 Variable-angle gears Jul. 15, 1997
5613914 Universal coupling Mar. 25, 1997
5522714 Driving mechanism for driving a gear pump for forcing a highly viscous resin Jun. 4, 1996
5393267 Adjustable coupled drive shaft with a restraining ring Feb. 28, 1995
5382194 Plug-in axially and angularly yieldable toothed coupling for transmitting torque Jan. 17, 1995
5007880 Bevel splined articulated joint Apr. 16, 1991
4990121 Rolling mill drive having a spindle with curved toothing Feb. 5, 1991
4955769 Gear coupling and hub Sep. 11, 1990
4913681 Shock absorbing rotary gear coupling Apr. 3, 1990
4911678 Labyrinth seal coupling Mar. 27, 1990
4909773 Swivel coupling Mar. 20, 1990
4840088 Mechanical transmission, particularly for cableway winches Jun. 20, 1989
4824418 Articulated joint between two shafts Apr. 25, 1989
4789376 Gear type shaft coupling Dec. 6, 1988
4639200 Sealing apparatus for a gear ball joint Jan. 27, 1987
4464141 Shaft coupling Aug. 7, 1984
4370869 Gear-type universal coupling Feb. 1, 1983
4357137 Shaft coupling Nov. 2, 1982
4004433 Continuously lubricated coupling Jan. 25, 1977

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