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Class Information
Number: 74/640
Name: Machine element or mechanism > Gearing
Description: Mechanism comprising relatively rotatable bodies or combinations of such bodies provided with teeth or interengaging elements, chains and sprockets, belts, and pulleys or other means not otherwise classified, whereby a rotatable body will impart to or receive motion or power from some other member by rolling contact.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6736028 |
Harmonic drive and internal geared wheel for a drive of this type |
May. 18, 2004 |
| 6701803 |
Reduction gears-integrated actuator |
Mar. 9, 2004 |
| 6699154 |
Differential gear assembly |
Mar. 2, 2004 |
| 6672181 |
Lubrication mechanism for a wave gear device |
Jan. 6, 2004 |
| 6647827 |
Lightweight wave gear drive |
Nov. 18, 2003 |
| 6648786 |
Gearmotors |
Nov. 18, 2003 |
| 6622593 |
Lightweight wave gear device |
Sep. 23, 2003 |
| 6615689 |
Non-lubricated wave gear device |
Sep. 9, 2003 |
| 6564677 |
Wave gear drive having a transfer-torque control mechanism |
May. 20, 2003 |
| 6547689 |
Angular motion translator |
Apr. 15, 2003 |
| 6533425 |
Retractable rear-view mirror for motor vehicles |
Mar. 18, 2003 |
| 6526849 |
Negative deflection flexible meshing type gear device having passing tooth profile with maximized tooth height |
Mar. 4, 2003 |
| 6477918 |
Rotary electric machine having coaxial output hollow shaft with reduction gear and slip ring |
Nov. 12, 2002 |
| 6468465 |
Plastic injection molding with reduced dimensional variations using gas pressure and secondary plastic injection |
Oct. 22, 2002 |
| 6467374 |
Continuously variable mechanical transmission |
Oct. 22, 2002 |
| 6467375 |
Flexible meshing type gear device having deflection meshing involute tooth profile |
Oct. 22, 2002 |
| 6453772 |
Eccentric toothed gearing |
Sep. 24, 2002 |
| 6454532 |
Harmonic drive system for the retraction/extension of variable diameter rotor systems |
Sep. 24, 2002 |
| 6439081 |
Harmonic friction drive |
Aug. 27, 2002 |
| 6318210 |
Phase regulating apparatus |
Nov. 20, 2001 |
| 6314835 |
Piezo-electric drive arrangement for a harmonic drive transmission |
Nov. 13, 2001 |
| 6310455 |
Positioning and actuating drive |
Oct. 30, 2001 |
| 6290623 |
Removable support of motor vehicle differential side gear that facilitates machining |
Sep. 18, 2001 |
| 6269711 |
Transmission device using flexible gear |
Aug. 7, 2001 |
| 6258007 |
Multi-sensor harmonic drive actuator arrangement assembly |
Jul. 10, 2001 |
| 6250179 |
Silk hat flexible engagement gear device |
Jun. 26, 2001 |
| 6230587 |
Corrugated gear and process for calculating gear profiles for corrugated gears |
May. 15, 2001 |
| 6220115 |
Step-down gear unit |
Apr. 24, 2001 |
| 6202508 |
Silk hat flexible engagement gear device |
Mar. 20, 2001 |
| 6202509 |
Corrugated gear with improved pulsator |
Mar. 20, 2001 |
| 6182532 |
Cup-type wave gear device |
Feb. 6, 2001 |
| 6167783 |
Flexible meshing type gearing having three-dimensional, non-interactive wide-area intermeshing tooth profile |
Jan. 2, 2001 |
| 6119553 |
Rotation transmitting device |
Sep. 19, 2000 |
| 6109136 |
Reduction gear |
Aug. 29, 2000 |
| 6082222 |
Rigid internal gear of a wave gear drive |
Jul. 4, 2000 |
| 6050155 |
Harmonic drive flexspline with integral flange support |
Apr. 18, 2000 |
| 6029543 |
Piezo-electric drive arrangement for a harmonic drive transmission |
Feb. 29, 2000 |
| 6026711 |
Harmonic drive bearing arrangement |
Feb. 22, 2000 |
| 6016715 |
Harmonic drive |
Jan. 25, 2000 |
| 6012347 |
Power steering apparatus |
Jan. 11, 2000 |
| 6004242 |
Cylinder |
Dec. 21, 1999 |
| 5984048 |
Lubricant supplying mechanism for a wave gear drive |
Nov. 16, 1999 |
| 5983753 |
Phase adjusting gears having harmonic type planet wheels |
Nov. 16, 1999 |
| 5950502 |
Orthogonal differential drive |
Sep. 14, 1999 |
| 5937710 |
Harmonic-drive transmission |
Aug. 17, 1999 |
| 5934157 |
Flexible meshing type gear device having a high wear-resisting rigid internal gear |
Aug. 10, 1999 |
| 5931054 |
Flexible meshing type gear drive having specific sequences of actual teeth removed |
Aug. 3, 1999 |
| 5918508 |
Strain wave gearing having a non-interfering wide mesh range tooth profile |
Jul. 6, 1999 |
| 5917259 |
Coupling of an electric motor to a load |
Jun. 29, 1999 |
| 5906142 |
Wave gear drive |
May. 25, 1999 |
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