ClassID:

150769

F16H49/001 - page 2 - CPC Classification

Classification description:

Other gearings Wave gearings, e.g. harmonic drive transmissions

Recent Application in this class:
#301
20190234502
2019-08-01

Wave generator and strain wave gearing

#302
20190226568
2019-07-25

Strain wave gear speed reducer unit and power unit

#303
20190222103
2019-07-18

DECENTRALISED ELECTRIC ROTARY ACTUATOR AND ASSOCIATED METHODOLOGY FOR NETWORKING OF MOTION SYSTEMS

#304
20190203825
2019-07-04

ACTUATOR

#305
20190203819
2019-07-04

Dual-type strain wave gearing

#306
20190203817
2019-07-04

Assembly having joint-connected members and robot including the same

#307
20190186599
2019-06-20

CIRCULAR SPLINE FOR HARMONIC REDUCER, HARMONIC REDUCER AND ROBOT

#308
20190170235
2019-06-06

Systems and methods for implementing tailored metallic glass-based strain wave gears and strain wave gear components

#309
20190170165
2019-06-06

Camshaft phasers for concentrically arranged camshafts

#310
20190162271
2019-05-30

Gear motor and assembling method thereof

#311
20190160654
2019-05-30

Gear motor and cooperating robot

#312
20190128391
2019-05-02

Systems and methods that use harmonic drives for converting reciprocating axial motion to continuous rotary motion, helical drives for converting reciprocating rotary motion to reciprocating axial motion and combinations thereof for converting reciprocating rotary motion to continuous rotary motion

#313
20190126498
2019-05-02

Variable stiffness series elastic actuator

#314
20190126464
2019-05-02

Transmission, electric driving device, and industrial robot

#315
20190120092
2019-04-25

Valve timing controller

#316
20190113106
2019-04-18

Rotary actuator provided with strain wave reduction gears

#317
20190107188
2019-04-11

Method of developing spline profile

#318
20190107127
2019-04-11

Fluid-powered linear motor with rotary pistons and motion rectifier

#319
20190105786
2019-04-11

Joint shaft structure and horizontal articulated robot

#320
20190093747
2019-03-28

Cycloidal pin wheel harmonic transmission device

#321
20190085965
2019-03-21

TRANSMISSION AND ACTUATOR

#322
20190085964
2019-03-21

TRANSMISSION AND ACTUATOR

#323
20190085963
2019-03-21

Transmission and actuator

#324
20190085962
2019-03-21

Sliding contact-type wave generator, strain wave gearing, and wave-generating method

#325
20190085906
2019-03-21

TRANSMISSION AND ACTUATOR

#326
20190072172
2019-03-07

Harmonic drive

#327
20190072044
2019-03-07

Link mechanism actuator for internal combustion engine

#328
20190063579
2019-02-28

Roll-and-press friction-driving harmonic drive gear reducer

#329
20190063578
2019-02-28

Inverted harmonic gear actuator

#330
20190063310
2019-02-28

Actuator for link mechanism for internal combustion engine

#331
20190048925
2019-02-14

SLIDING BEARING

#332
20190040698
2019-02-07

Slick line, fiber optic cable or tubing wellbore pulling tool and propulsion module

#333
20190036419
2019-01-31

ROTARY ACTUATOR AND ROBOT

#334
20190032764
2019-01-31

Strain wave gear system

#335
20190028014
2019-01-24

Radial magnetic cycloid gear assemblies, and related systems and methods

#336
20190017585
2019-01-17

Strain wave gearing and actuator

#337
20190011032
2019-01-10

Compound harmonic gear

#338
20190003569
2019-01-03

Strain wave gearing with full separation of two stresses

#339
20190003567
2019-01-03

Bearing wave generator assembly

#340
20180372205
2018-12-27

Elastic gear wheel of a harmonic drive

#341
20180363750
2018-12-20

Flat strain wave gearing

#342
20180355964
2018-12-13

Speed reducer with electric motor

#343
20180347679
2018-12-06

Strain wave gearing with full separation of two stresses

#344
20180345488
2018-12-06

Speed reducer

#345
20180320771
2018-11-08

Harmonic drive

#346
20180320770
2018-11-08

STRAIN WAVE GEARING

#347
20180306299
2018-10-25

Gearing having an elastic gear

#348
20180306276
2018-10-25

Flexible external gear and strain wave gearing

#349
20180291995
2018-10-11

Speed reducing device

#350
20180283518
2018-10-04

Robot And Gear Device

#351
20180281177
2018-10-04

Robot and gear unit

#352
20180274646
2018-09-27

FLEX SPLINE FOR STRAIN WAVE GEAR DEVICE, AND STRAIN WAVE GEAR DEVICE USING SAME

#353
20180266533
2018-09-20

Bending meshing type gear device

#354
20180259054
2018-09-13

Sliding contact-type wave generator and strain wave gearing

#355
20180259053
2018-09-13

Two stress-separation strain wave gearing

#356
20180257141
2018-09-13

Methods for fabricating strain wave gear flexsplines using metal additive manufacturing

#357
20180252305
2018-09-06

Gearing having an elastic gear

#358
20180246489
2018-08-30

Positioning control device for actuator provided with strain wave gearing using full-closed control with state observer

#359
20180245678
2018-08-30

Wave generator for strain wave gearing

#360
20180239327
2018-08-23

Positioning control device of actuator provided with strain wave gearing using H-∞ control

#361
20180231113
2018-08-16

Rolling-element bearing transmission

#362
20180223730
2018-08-09

Actuator of link mechanism for internal combustion engine

#363
20180223729
2018-08-09

Actuator, in particular for coupling to the adjusting shaft of an internal combustion engine to adjust the expansion stroke and/or the compression ratio

#364
20180216715
2018-08-02

JOINT APPARATUS

#365
20180215050
2018-08-02

Joint assembly

#366
20180209530
2018-07-26

Coaxial gear mechanism with positive transmission ratio

#367
20180209529
2018-07-26

Compact multi-stage gear with a planetary gear and a strain wave gear adjacent to said multi-stage gear

#368
20180187764
2018-07-05

Strain wave gearing and wave generator

#369
20180187763
2018-07-05

Harmonic driving device

#370
20180180154
2018-06-28

Strain wave gear requiring reduced radial installation space

#371
20180180153
2018-06-28

Reducer module with real-time torque sensing

#372
20180180146
2018-06-28

Rotation transmission mechanism provided with strain wave gearing

#373
20180172080
2018-06-21

Transmission with integrated overload protection for a legged robot

#374
20180162517
2018-06-14

Aircraft wing system

#375
20180162516
2018-06-14

Aircraft wing system

#376
20180149256
2018-05-31

Robot, flexible gear, gearing, and manufacturing method of flexible gear

#377
20180149255
2018-05-31

Strain wave gearing with compound meshing that involves congruity of tooth surfaces

#378
20180112761
2018-04-26

Compact flex gear for strain wave gearing

#379
20180112760
2018-04-26

Compound harmonic drive assembly

#380
20180106354
2018-04-19

Method of producing wave gear device and wave gear device

#381
20180087643
2018-03-29

Robot and gear device

#382
20180080543
2018-03-22

Robot, gear device, and manufacturing method of gear device

#383
20180058565
2018-03-01

Push-type transmission mechanism

#384
20180051789
2018-02-22

Transmission component set having an output bearing and a harmonic drive transmission which can be mounted thereon

#385
20180038468
2018-02-08

Joined flex spline for compound harmonic drive

#386
20180038467
2018-02-08

Inverted compound harmonic drive

#387
20180034348
2018-02-01

Servomotor and control method thereof

#388
20180031109
2018-02-01

Robot, gear device, and manufacturing method for gear device

#389
20180031108
2018-02-01

Robot and gear device

#390
20180031103
2018-02-01

Strain wave gearing and wave generator

#391
20180023678
2018-01-25

Wave generator and strain wave gearing

#392
20180016972
2018-01-18

Actuator for link mechanism for internal combustion engine

#393
20180015985
2018-01-18

Drive assembly for a manually driven vehicle with an electric auxiliary drive, method for regulating a drive assembly of this type, and use

#394
20170370457
2017-12-28

Strain wave gearing

#395
20170350497
2017-12-07

Strain wave gearing device

#396
20170350492
2017-12-07

Fluid rotary joint and method of using the same

#397
20170350491
2017-12-07

Automatic flight control actuator systems

#398
20170343094
2017-11-30

Method of making strain wave gearing

#399
20170338718
2017-11-23

Strain wave gearing with built-in motor

#400
20170335941
2017-11-23

Fastening structure for flexible externally toothed gear of strain wave gearing and shaft member

#401
20170321792
2017-11-09

FUSION GEAR REDUCER

#402
20170321791
2017-11-09

Actuating device for actuating a cable

#403
20170321790
2017-11-09

FLEX SPLINE ACTUATOR

#404
20170307455
2017-10-26

Rotary driver

#405
20170292597
2017-10-12

SYSTEM FOR ALTERNATIVE GEARING SOLUTIONS

#406
20170284527
2017-10-05

Strain wave gear

#407
20170276225
2017-09-28

Robot, flexible gear, gear device, and manufacturing method of flexible gear

#408
20170276018
2017-09-28

Geared unison ring for variable vane actuation

#409
20170276016
2017-09-28

Idler gear connection for multi-stage variable vane actuation

#410
20170276014
2017-09-28

Variable vane actuation with rotating ring and sliding links

#411
20170276013
2017-09-28

Concentric shafts for remote independent variable vane actuation

#412
20170276011
2017-09-28

Cable drive system for variable vane operation

#413
20170261069
2017-09-14

GEARBOX WITH LIMIT MECHANISM

#414
20170254404
2017-09-07

Method for lubricating strain wave gearing

#415
20170254403
2017-09-07

Wave generator and strain wave gearing

#416
20170254402
2017-09-07

WAVE GENERATOR FOR A STRAIN WAVE GEAR

#417
20170253150
2017-09-07

Harmonic drive disc recliner for automotive vehicle seat

#418
20170242218
2017-08-24

Actuator devices for converting rotational input to linear output

#419
20170237315
2017-08-17

Electric motor-attached speed reducer

#420
20170227106
2017-08-10

Cup-shaped flexible externally toothed gear and cup-type strain wave gearing

#421
20170222517
2017-08-03

Rotary actuator

#422
20170219050
2017-08-03

Flat strain wave gearing

#423
20170211679
2017-07-27

Dual-type strain wave gearing

#424
20170211678
2017-07-27

Dual-type strain wave gearing

#425
20170211677
2017-07-27

Dual-type strain wave gearing

#426
20170211658
2017-07-27

Rotation damper

#427
20170198802
2017-07-13

Dual-type strain wave gearing

#428
20170187308
2017-06-29

Buckling wave disk

#429
20170184190
2017-06-29

FLEX SPLINE TORQUE TRANSFER DEVICE

#430
20170175869
2017-06-22

Dual-type strain wave gearing

#431
20170167588
2017-06-15

Harmonic drive having improved back drivability, driving module including the harmonic drive and method for controlling the drive module

#432
20170159789
2017-06-08

Strain wave gearing having continuous-contact tooth profile formed using arcuate tooth profile

#433
20170138456
2017-05-18

Gear

#434
20170108107
2017-04-20

Flex spline for use with a compound harmonic generator

#435
20170097082
2017-04-06

Harmonic drive featuring helix-facilitated lubrication

#436
20170082187
2017-03-23

Strain wave gearing and method for manufacturing multi-layer hollow body

#437
20170059026
2017-03-02

Harmonic drive apparatus

#438
20170059025
2017-03-02

Circular wave drive

#439
20170059024
2017-03-02

WAVE GENERATOR FOR STRAIN WAVE GEARING AND METHOD FOR PRODUCING WAVE GENERATOR

#440
20170051820
2017-02-23

Lubricated harmonic drive

#441
20170051817
2017-02-23

Hollow strain wave gearing and hollow actuator

#442
20170045129
2017-02-16

DRIVE ASSEMBLY WITH SELECTIVE DISCONNECT

#443
20170023109
2017-01-26

TRANSMISSION AND COMPONENTS THEREOF

#444
20170016523
2017-01-19

Wave generator and strain wave gear device

#445
20170009868
2017-01-12

Flat strain wave gearing

#446
20170009867
2017-01-12

Wave speed reducer having self-locking function and compound type reducer device

#447
20170002914
2017-01-05

Strain wave gearing

#448
20170002913
2017-01-05

Method of designing member of spline wheel contour, spline surface contour and cam periphery of roller-type wave-motion

#449
20170002912
2017-01-05

Strain wave gear system

#450
20160356374
2016-12-08

Gear, motor-gear unit, vehicle and generator with a gear and force transmitting element

#451
20160356373
2016-12-08

Passing-type-meshing negative-deflection strain wave gearing

#452
20160341267
2016-11-24

SPEED REDUCER WITH A BRAKE

#453
20160305528
2016-10-20

Harmonic Gear Drive

#454
20160305527
2016-10-20

Motor incorporating reducer

#455
20160298750
2016-10-13

Transmission

#456
20160298749
2016-10-13

Drive and method for operating a drive

#457
20160298748
2016-10-13

Gearing

#458
20160298747
2016-10-13

Gearing

#459
20160298746
2016-10-13

Strain wave gearing, frictional engagement wave device, and wave generator

#460
20160297500
2016-10-13

Electric drive unit

#461
20160281833
2016-09-29

Harmonic drive that improves transmission accuracy

#462
20160258522
2016-09-08

Systems and methods for implementing tailored metallic glass-based strain wave gears and strain wave gear components

#463
20160245386
2016-08-25

Harmonic pin ring gearing

#464
20160207426
2016-07-21

Harmonic drive disc recliner for automotive vehicle seat

#465
20160201783
2016-07-14

Fastening structure for fastening driven member to strain wave gearing device unit, and strain wave gearing device unit

#466
20160186850
2016-06-30

Method for manufacturing bulk metallic glass-based strain wave gear components

#467
20160178045
2016-06-23

Rotary actuator and strain wave gearing reduction drive unit

#468
20160178044
2016-06-23

STRAIN WAVE GEARING DEVICE

#469
20160160985
2016-06-09

Strain wave gearing

#470
20160153535
2016-06-02

Compliance motor structure and manufacturing method thereof

#471
20160109014
2016-04-21

Strain wave gearing

#472
20160107723
2016-04-21

Derailleur

#473
20160084367
2016-03-24

Bearing holder, bearing mechanism, and strain wave gearing device

#474
20160084366
2016-03-24

Worm gearing with harmonic drive or strain wave gearing primary

#475
20160061308
2016-03-03

Strain wave gearing apparatus

#476
20160047452
2016-02-18

Harmonic drive apparatus

#477
20160047451
2016-02-18

Wave generator of strain wave gearing

#478
20160036293
2016-02-04

Actuator device and method of converting rotational input to axial output with rotary flexure mechanism

#479
20160025203
2016-01-28

Wave generator of strain wave gearing

#480
20160025145
2016-01-28

Fastening friction plate, and fastening and fixing structure for strain wave gearing and output member

#481
20160010738
2016-01-14

Harmonic drive and method of assembling

#482
20160010701
2016-01-14

Harmonic drive assembly with selective disconnect and method

#483
20160003338
2016-01-07

Strain wave gearing having double-contact negative deflection tooth profile

#484
20150362056
2015-12-17

HARMONIC DRIVE ACHIEVING A HIGH MESHING EFFICIENCY

#485
20150354686
2015-12-10

Three point harmonic drive

#486
20150345608
2015-12-03

Circular wave drive

#487
20150345607
2015-12-03

Circular wave drive

#488
20150345606
2015-12-03

Harmonic drive assembly with selective disconnect and reconnect

#489
20150337938
2015-11-26

HARMONIC OR STRAIN WAVE GEARING WITH WORM GEARING PRIMARY

#490
20150316428
2015-11-05

Rotational drive device

#491
20150316134
2015-11-05

Strain wave device

#492
20150300475
2015-10-22

Hollow-type strain wave gearing unit

#493
20150292400
2015-10-15

Drive apparatus constructed to detect ratcheting in wave motion gearing speed reducer

#494
20150285357
2015-10-08

Strain wave gearing unit

#495
20150285356
2015-10-08

Wave generator and strain wave gearing

#496
20150285355
2015-10-08

Hollow drive gear reduction mechanism

#497
20150276036
2015-10-01

Gear, motor-gear unit, vehicle and generator with a gear and force transmitting element

#498
20150247563
2015-09-03

HIGH TORQUE POWER MODULE

#499
20150240929
2015-08-27

Flexible externally toothed gear, strain wave gearing, and method for fastening flexible externally toothed gear

#500
20150240928
2015-08-27

BEARING ARRANGEMENT FOR HARMONIC OR STRAIN WAVE GEARING

#501
20150226302
2015-08-13

Hollow strain wave gearing

#502
20150219200
2015-08-06

Wave generator and strain wave gearing

#503
20150198222
2015-07-16

Actuator using expansion or contraction to produce linear or rotary motion

#504
20150184700
2015-07-02

Drive assembly with selective disconnect

#505
20150176443
2015-06-25

CHAIN-BASED TRANSFER DEVICE

#506
20150167814
2015-06-18

WAVE GEAR DEVICE AND FLEXIBLE INTERNALLY TOOTHED GEAR

#507
20150167801
2015-06-18

Motor with linear actuators

#508
20150153240
2015-06-04

Technique for measuring torque output of harmonic drive

#509
20150128761
2015-05-14

Transmission device

#510
20150114174
2015-04-30

Strain wave drive with improved performance

#511
20150107388
2015-04-23

Method of producing wave gear device and wave gear device

#512
20150107387
2015-04-23

Harmonic drive gear reduction mechanism

#513
20150075310
2015-03-19

Compound harmonic drive

#514
20140345407
2014-11-27

Large-ratio strain wave gearing speed changing apparatus

#515
20140345406
2014-11-27

Strain wave gearing with involute positive deflection tooth profile taking rim thickness into consideration

#516
20140283638
2014-09-25

Wave gear device and hollow rotating actuator

#517
20140256495
2014-09-11

Compact torque-transmitting gearbox with high reduction ratio

#518
20140251048
2014-09-11

Wave gear device having tapered flexible external gear

#519
20140232159
2014-08-21

Harmonic drive disc recliner for automotive vehicle seat

#520
20140224050
2014-08-14

Systems and methods for implementing bulk metallic glass-based strain wave gears and strain wave gear components

#521
20140217855
2014-08-07

Vibration power-generating strain wave gearing

#522
20140203752
2014-07-24

Positioning control system for actuator provided with wave gear device

#523
20140190298
2014-07-10

Wave gear device

#524
20140167475
2014-06-19

Drive device with electric motor and reduction gear

#525
20140165758
2014-06-19

Flexible externally toothed gear for wave gear device

#526
20140157925
2014-06-12

Wave gear unit with input bearings

#527
20140150586
2014-06-05

Internally-toothed gear unit with composite roller bearing, and wave gear device

#528
20140083245
2014-03-27

Harmonic reducer with clutch function

#529
20140047938
2014-02-20

Unit type wave gear device

#530
20140047937
2014-02-20

Wave gear device having three-dimensional-contact tooth profile

#531
20140033840
2014-02-06

Concentric multi-axis actuator

#532
20130333516
2013-12-19

FLEXSPLINE STRUCTURE OF HARMONIC REDUCER

#533
20130333515
2013-12-19

FLEXSPLINE MOUNTING STRUCTURE OF HARMONIC REDUCER

#534
20130333505
2013-12-19

HARMONIC REDUCER WITH STATIONARY GEAR

#535
20130327179
2013-12-12

HARMONIC REDUCER WITH STATIONARY FLEXSPLINE

#536
20130319174
2013-12-05

Wave gear device and flexible externally toothed gear

#537
20130319151
2013-12-05

Wave gear device and flexible internally toothed gear

#538
20130316868
2013-11-28

Wave generator of wave gear device

#539
20130316867
2013-11-28

Wave generator for wave gear device

#540
20130312558
2013-11-28

Wave gear device and flexible externally toothed gear

#541
20130305864
2013-11-21

HARMONIC DRIVE WITH STIFFNESS-OPTIMIZED WAVE GENERATOR

#542
20130276575
2013-10-24

Gear, motor-gear unit, vehicle, generator with a gear, and force transmitting element

#543
20130249444
2013-09-26

HIGH INTEGRITY ROTARY ACTUATOR AND METHOD OF OPERATION

#544
20130247716
2013-09-26

Strain wave gear apparatus

#545
20130081587
2013-04-04

Harmonic drive camshaft phaser with a harmonic drive ring to prevent ball cage deflection

#546
20130068060
2013-03-21

Flexspline protective structure and robot arm mechanism using same

#547
20130049508
2013-02-28

ELECTRIC DAMPER

#548
20130042710
2013-02-21

Speed reducing mechanism

#549
20120304791
2012-12-06

Wave gear device provided with tapered flexible externally toothed gear

#550
20120270692
2012-10-25

Gear, motor-gear unit, vehicle and generator with a gear and force transmitting element

#551
20120204674
2012-08-16

HARMONIC MOTOR, DRIVE ASSEMBLY, INDUSTRIAL ROBOT, ROBOT BOOM AND ROBOT JOINT

#552
20120118092
2012-05-17

Reducing mechanism and harmonic drive thereof

#553
20120085188
2012-04-12

NONCIRCULAR BEARING, WAVE GENERATOR, AND WAVE GEAR DEVICE

#554
20120046140
2012-02-23

Planetary harmonic differential transmission

#555
20120036951
2012-02-16

Wave-type linear motion mechanism

#556
20110245006
2011-10-06

Strain wave gearing and robotic arm

#557
20110197692
2011-08-18

INTERLOCKING GEARBOX

#558
20110154928
2011-06-30

Wave gear device having compound tooth profile of positive deflection meshing

#559
20110133382
2011-06-09

Wave type linear motion mechanism and holding mechanism

#560
20110088496
2011-04-21

Harmonic drive using profile shifted gear

#561
20110054820
2011-03-03

Method for compensating for angular transmission error of wave gear device

#562
20110030631
2011-02-10

Harmonic drive camshaft phaser with bias spring

#563
20110018283
2011-01-27

Wind turbine device

#564
20100319484
2010-12-23

Wave gear device

#565
20100288066
2010-11-18

Harmonic speed reducer for robots

#566
20100236351
2010-09-23

Parallel link mechanism and industrial robot

#567
20100234967
2010-09-16

Rotary actuator arrangement

#568
20100229395
2010-09-16

Method for manufacturing rigid internal gear of wave gear device

#569
20100212446
2010-08-26

Wave gear device

#570
20100207472
2010-08-19

Magnetic gear

#571
20100175503
2010-07-15

Wave Generator for Wave Gear Device

#572
20100077882
2010-04-01

Coaxial gear set

#573
20100072725
2010-03-25

ACTUATOR FOR GENERATING A ROTATIONAL POSITIONING MOVEMENT

#574
20100038478
2010-02-18

Actuator

#575
20090320643
2009-12-31

Composite wave gear drive

#576
20090293659
2009-12-03

Wave-gear-type linear-actuation mechanism

#577
20090284089
2009-11-19

Compact, electromagnetically braked actuator assembly

#578
20090260469
2009-10-22

Flexspline and wave gear device

#579
20090249918
2009-10-08

Finger joint mechanism

#580
20090233750
2009-09-17

Hollow speed reducer

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20090205451
2009-08-20

Gearing

#582
20090062053
2009-03-05

Rotation output device

#583
20090038434
2009-02-12

Wave generator, wave gear device, and method of preventing reduction in efficiency of wave gear device

#584
20090031852
2009-02-05

Transmission ratio variable device and steering gear

#585
20090025500
2009-01-29

Wave gear device

#586
20080245172
2008-10-09

Method for lubricating wave reduction gear, and rotating table device

#587
20080202269
2008-08-28

STRAIN WAVE REDUCTION GEAR AND VARIABLE TRANSMISSION RATIO STEERING APPARATUS

#588
20080173130
2008-07-24

Flat type wave gear device

#589
20080110287
2008-05-15

Robotic harmonic flex-drive

#590
20080060473
2008-03-13

Wave Gear Device

#591
20080047511
2008-02-28

Harmonic drive camshaft phaser

#592
20080035412
2008-02-14

Device for superimposing rotational speeds for a steering system

#593
20080026901
2008-01-31

Automatic torque-switching apparatus

#594
20070266819
2007-11-22

Wave gear drive having negative deflection meshing tooth profile

#595
20070261516
2007-11-15

Harmonic gear drive

#596
20070214644
2007-09-20

Method for Solid-Phase Bonding of Iron Base Alloy and Aluminum Base Alloy

#597
20070204723
2007-09-06

Harmonic gear drive

#598
20070199405
2007-08-30

Method for reducing input-side holding torque of wave gear device, and rotary actuator

#599
20070193835
2007-08-23

Actuator and brake assembly

#600
20070180947
2007-08-09

Wave gear drive with continuous meshing, high ratcheting torque tooth profile