ClassID:

150256

F16H2007/0806 - CPC Classification

Classification description:

Gearings for conveying rotary motion by endless flexible members; Means for varying tension of belts, ropes, or chains; Actuators for final output members Compression coil springs

Recent Application in this class:
#1
20260126098
2026-05-07

SHUTTLING MECHANICAL TENSIONER FOR CONTROL OF CHAIN DRIVES WITH ALTERNATING TIGHT AND SLACK STRANDS

#2
20260117845
2026-04-30

TENSIONING APPARATUS

#3
20260009451
2026-01-08

POWER TRANSMISSION DEVICE, MEDIUM TRANSPORT DEVICE, AND RECORDING DEVICE

#4
20250320909
2025-10-16

BELT TENSIONING MECHANISM FOR 3D PRINTER AND 3D PRINTER

#5
20250283525
2025-09-11

TOOTHED CVT FOR WHICH TEETH RE-ENGAGEMENT IS IMPROVED

#6
20250283524
2025-09-11

TOOTHED CVT FOR WHICH TEETH RE-ENGAGEMENT IS IMPROVED

#7
20250243925
2025-07-31

TENSIONER SYSTEM FOR FLEXIBLE DRIVE MEMBER

#8
20250230857
2025-07-17

POWER TRANSMITTING MECHANISM AND DRIVING SYSTEM

#9
20240326099
2024-10-03

COMBINATION PARTS JET WASHER AND SINK WASHER WITH PARTS WASHER WITH MINIMUM GRIP SPROCKET DRIVE SYSTEM

#10
20240229902
2024-07-11

TENSIONER

#11
20240191783
2024-06-13

Variable stiffness function through a check valve in a hydraulic

#12
20240191782
2024-06-13

Tensioner

#13
20240167542
2024-05-23

Chain tensioner

#14
20240133450
2024-04-25

Tensioner

#15
20240068547
2024-02-29

Chain tensioner

#16
20230407946
2023-12-21

BELT TENSIONING MECHANISM FOR 3D PRINTER AND 3D PRINTER

#17
20230407945
2023-12-21

Hydraulic tensioner

#18
20230383815
2023-11-30

LOW-PROFILE DRIVE MECHANISM

#19
20230382698
2023-11-30

LIFT ASSEMBLY

#20
20230304564
2023-09-28

Beltdrive tensioner for agricultural equipment

#21
20230141904
2023-05-11

Easy adjust tensioner assembly

#22
20230091770
2023-03-23

Tensioning systems and methods

#23
20230024963
2023-01-26

Serpentine belt tensioner compressor tool

#24
20220412438
2022-12-29

Tensioning systems and methods

#25
20220389990
2022-12-08

Pivot shaft tensioner assembly

#26
20220349456
2022-11-03

Press-fit-interlocking connection and belt tensioner having such a connection

#27
20220325783
2022-10-13

DRIVE BELT TENSIONER FOR ELECTRIC VEHICLE

#28
20220299091
2022-09-22

Tensioning device with a single securing ring

#29
20220275852
2022-09-01

High-offset belt tensioner with counterbalance torsion spring force

#30
20220213835
2022-07-07

Isolation device with two or more springs in series

#31
20220196122
2022-06-23

Tensioner

#32
20220170535
2022-06-02

TOOTHED CVT FOR WHICH TEETH RE-ENGAGEMENT IS IMPROVED

#33
20220169115
2022-06-02

Axle, in particular of a universal carrier frame

#34
20220087107
2022-03-24

Pulley assembly for an agricultural harvester

#35
20220055713
2022-02-24

Motorcycle having a tensioning device for tensioning a pulling member, and tensioning device for a motorcycle

#36
20210317905
2021-10-14

Clutch for belt drive system

#37
20210310545
2021-10-07

Tensioner

#38
20210285524
2021-09-16

CHECK VALVE AND INTEGRATED PRESSURE RELIEF VALVE CONTROLLED BY A METALLIC BAND

#39
20210270349
2021-09-02

Device and method for tensioning a belt of a video camera assembly

#40
20210140519
2021-05-13

Tensioner With A Sliding Tensioner Arm Assembly

#41
20210131532
2021-05-06

Chain tensioner

#42
20210131530
2021-05-06

Mower drive belt tensioner arm

#43
20210127580
2021-05-06

Pickup drive system for an agricultural baler

#44
20210054912
2021-02-25

Variable force tensioner arm with cap disk spring

#45
20210018073
2021-01-21

Chain tensioner

#46
20210010571
2021-01-14

System for a belt tensioner

#47
20210010570
2021-01-14

Tensioner

#48
20200400218
2020-12-24

RETENTION OF CHAIN TENSIONER PISTON

#49
20200393023
2020-12-17

Tensioner

#50
20200370625
2020-11-26

Variable force tensioner with internal reservoir technology primary bore

#51
20200340552
2020-10-29

Drive belt tensioner systems and methods

#52
20200325967
2020-10-15

Easy adjust tensioner assembly

#53
20200292034
2020-09-17

Tensioner unit, rocking lever, and tensioner

#54
20200271199
2020-08-27

SEALED TENSIONER WITH CLOSED CELL FOAM

#55
20200256433
2020-08-13

Tensioner

#56
20200200239
2020-06-25

Tensioner with piston containing an internal check valve

#57
20200191243
2020-06-18

Tensioner with spring force control in a second bore

#58
20200149614
2020-05-14

Tensioner

#59
20200132173
2020-04-30

Tensioner

#60
20200088273
2020-03-19

Pendulum-type accessary tensioner

#61
20200011401
2020-01-09

Tensioner

#62
20190376583
2019-12-12

Belt tensioner

#63
20190360559
2019-11-28

Tensioner

#64
20190353228
2019-11-21

ANTI-RETURN SYSTEM FOR HYDRAULIC TENSIONER

#65
20190338836
2019-11-07

PRESSURE ACTIVATED METALLIC BAND PISTON SEAL

#66
20190323580
2019-10-24

Tensioner

#67
20190316658
2019-10-17

CHECK VALVE ASSEMBLY STRUCTURE FOR HYDRAULIC TENSIONER

#68
20190316657
2019-10-17

SEALED HYDRAULIC TENSIONER

#69
20190285149
2019-09-19

BELT TENSIONER

#70
20190277371
2019-09-12

Winding transmission body tension device

#71
20190264503
2019-08-29

TENSIONER AND SAFETY ENCLOSURE FOR WINDOW BLIND LOOP DRIVE

#72
20190257392
2019-08-22

Tensioner

#73
20190257391
2019-08-22

Chain tensioner

#74
20190257390
2019-08-22

Tensioner

#75
20190257389
2019-08-22

Chain tensioner

#76
20190242461
2019-08-08

Chain tensioner

#77
20190234494
2019-08-01

VARIABLE FORCE TENSIONER WITH SECONDARY PISTON RATCHET CLIP

#78
20190203812
2019-07-04

Easy adjust tensioner assembly

#79
20190203811
2019-07-04

Belt tensioner

#80
20190195123
2019-06-27

Tensioner

#81
20190195014
2019-06-27

WAND FOR A BLIND ASSEMBLY

#82
20190186601
2019-06-20

Dual tensioner and engine provided with the same

#83
20190178353
2019-06-13

Tensioner

#84
20190128389
2019-05-02

Tensioning device for a chain drive

#85
20190120345
2019-04-25

Tensioning device

#86
20190120344
2019-04-25

Triple pulley belt auto tensioner and engine provided with the same

#87
20190120343
2019-04-25

Tensioner and relief valve unit

#88
20190113114
2019-04-18

HYDRAULIC TENSIONER WITH INTEGRATED PRESSURE RELIEF VALVES

#89
20190113113
2019-04-18

Hydraulic tensioner with tunable check valve

#90
20190107180
2019-04-11

Counterforce drive-belt system

#91
20190107178
2019-04-11

Tensioner

#92
20190093427
2019-03-28

Enclosed blind control with opening and sliding member, and profile and multiple sprocket

#93
20190071286
2019-03-07

Tension device for drive chain, method and escalator system using same

#94
20190063564
2019-02-28

Transmission belt tensioner and associated belt drive

#95
20190063563
2019-02-28

Chain tensioner, machine for processing elements in the form of sheets and method for tensioning the chain sets

#96
20190063562
2019-02-28

Tensioner

#97
20190055993
2019-02-21

Drive train for driving a working unit of a self-propelled harvester

#98
20190017579
2019-01-17

Belt tensioning device

#99
20190011021
2019-01-10

Tensioner

#100
20180363743
2018-12-20

Regulation mechanism capable of dynamically adjusting balance of tension of two sides of multi-groove transmission belt between driving wheel and driven wheel

#101
20180363740
2018-12-20

Tensioner with stiffness controllable check valve

#102
20180355955
2018-12-13

Variable belt tensioner for engine and method for controlling mild hybrid vehicle using variable belt tensioner for engine

#103
20180320765
2018-11-08

Clearance-free self-aligning bearing on the decoupling tensioner

#104
20180313434
2018-11-01

Chain tensioner

#105
20180306281
2018-10-25

Hydraulic auto-tensioner

#106
20180266312
2018-09-20

Accessory drive device for engine

#107
20180259044
2018-09-13

Hydraulic tensioning device for a chain drive

#108
20180223967
2018-08-09

TWO PIECE PISTON WITH VENTING

#109
20180202521
2018-07-19

Pendulum tensioner having adjustable axial play and belt drive

#110
20180195584
2018-07-12

Chain tensioner

#111
20180172117
2018-06-21

Belt tensioner

#112
20180156317
2018-06-07

Annular tensioner having identical bearing parts for the annular lever

#113
20180149242
2018-05-31

Timing Error Correction System

#114
20180135732
2018-05-17

Belt tensioner

#115
20180119832
2018-05-03

INTEGRATED DISK CHECK VALVE IN A HYDRAULIC TENSIONER WITH METERED BACKFLOW

#116
20180094709
2018-04-05

Hydraulic tensioner with controllable inlet pressure

#117
20180087627
2018-03-29

Belt drive assembly

#118
20180066734
2018-03-08

Hydraulic auto tensioner

#119
20180066733
2018-03-08

Accessory drive tensioner with improved arrangement of tensioner arm and biasing member

#120
20180066732
2018-03-08

Hydraulic traction mechanism tensioner including a pressure regulator

#121
20180051779
2018-02-22

Drive belt tensioning device

#122
20180031086
2018-02-01

Auto tensioner and auto tensioner-integrated engine auxiliary device

#123
20180019638
2018-01-18

Rotary electrical machine provided with pulley for receipt of belt, and with device for regulation of tension of belt

#124
20180017143
2018-01-18

Endless drive arrangement for hybrid vehicle using two-armed tensioner with non-orbiting arms

#125
20170370447
2017-12-28

HYDRAULIC TENSIONER WITH CANTILEVER SHIPPING SPRING

#126
20170363182
2017-12-21

Endless drive arrangement and improved two-armed tensioning system for same

#127
20170363181
2017-12-21

Weight and cost optimized carrier for modular hydraulic tensioner

#128
20170356529
2017-12-14

VARIABLE FORCE TENSIONING ASSEMBLY

#129
20170356528
2017-12-14

Tensioning device for a chain drive

#130
20170343083
2017-11-30

Belt drive system for an internal combustion engine

#131
20170321785
2017-11-09

Valvular paths

#132
20170314651
2017-11-02

Vortex channel

#133
20170255222
2017-09-07

Tensioning device having a transport securing concept

#134
20170254393
2017-09-07

Tensioner with spring force control in a second bore

#135
20170254392
2017-09-07

Tensioner with spring force control in a second bore

#136
20170211663
2017-07-27

Chain tensioner, chain tensioner group, and method of manufacturing a chain tensioner

#137
20170204945
2017-07-20

Systems and methods for tensioning a belt of a belt drive of an internal combustion engine

#138
20170204944
2017-07-20

Belt drive

#139
20170175858
2017-06-22

Tensioner with hydraulic locking feature

#140
20170152827
2017-06-01

Method and device for starting or restarting thermal engine

#141
20170146100
2017-05-25

Orbital tensioner assembly

#142
20170146099
2017-05-25

Tensioner

#143
20170138444
2017-05-18

Chain tensioner

#144
20170138443
2017-05-18

Chain tensioner

#145
20170130807
2017-05-11

Chain tensioner

#146
20170122414
2017-05-04

Belt transmission system

#147
20170097067
2017-04-06

Steering system

#148
20170074375
2017-03-16

Endless drive arrangement and improved two-armed tensioning system for same

#149
20170072482
2017-03-16

Handheld work apparatus

#150
20170067545
2017-03-09

CHAIN TENSIONER

#151
20170066068
2017-03-09

Handheld work apparatus

#152
20170059014
2017-03-02

Tension roller assembly for a belt drive

#153
20170059011
2017-03-02

Hydraulic chain tensioner with oil reservoir for inverted installations

#154
20170045120
2017-02-16

Linear tensioner

#155
20170037940
2017-02-09

Tensioner

#156
20170023108
2017-01-26

Tensioning device

#157
20170023107
2017-01-26

Orifice flow valve

#158
20170016517
2017-01-19

Tensioner with secondary damping

#159
20170009850
2017-01-12

Belt tensioner

#160
20160363197
2016-12-15

Starter generator belt tensioner

#161
20160356365
2016-12-08

Integrated pressure relief valve for hydraulic tensioner

#162
20160327135
2016-11-10

Hydraulic tensioning device for a traction mechanism drive

#163
20160290447
2016-10-06

Chain tensioner and relief valve unit

#164
20160273622
2016-09-22

Automatic belt tensioner for engine

#165
20160230855
2016-08-11

Intelligent belt drive system and method

#166
20160230854
2016-08-11

Hydraulic auto-tensioner

#167
20160230853
2016-08-11

Dual arm tensioner

#168
20160230852
2016-08-11

Hydraulic auto-tensioner

#169
20160215860
2016-07-28

Belt tensioner mount

#170
20160195835
2016-07-07

Belt tension adjustment mechanism and image forming apparatus

#171
20160186838
2016-06-30

Chain tensioner

#172
20160153530
2016-06-02

Tensioner

#173
20160123436
2016-05-05

Tensioner and rocking lever

#174
20160116030
2016-04-28

Compliant tensioner arm

#175
20160084359
2016-03-24

Series arrangement of hydraulic chain tensioner and ratchet

#176
20160033016
2016-02-04

Tensioner with spring force control

#177
20150354674
2015-12-10

Chain or belt tensioner with a ratchet that deactivates

#178
20150354673
2015-12-10

Chain tensioner

#179
20150345596
2015-12-03

Tensioner for a camshaft-camshaft chain drive

#180
20150330482
2015-11-19

Tensioner with spring force control in a second bore

#181
20150280514
2015-10-01

Quick release automatic tensioning motor base and spring compression retention mechanism

#182
20150267789
2015-09-24

Chain tensioner

#183
20150252878
2015-09-10

Hydraulic auto-tensioner for engine accessory

#184
20150247559
2015-09-03

Tensioner with multiple spring rates

#185
20150240918
2015-08-27

Hydraulic tensioner device

#186
20150226345
2015-08-13

Overpressure valve in the form of a check valve

#187
20150126315
2015-05-07

Adjustable tensioner

#188
20150057117
2015-02-26

Intelligent belt drive system and method

#189
20150024886
2015-01-22

Variable flow hydraulic chain tensioner

#190
20150018148
2015-01-15

Belt tensioning device for being used with a starter generator

#191
20140378253
2014-12-25

Hydraulic auto-tensioner

#192
20140364257
2014-12-11

Hydraulically ratcheted chain tensioner

#193
20140349795
2014-11-27

Internal combustion engine and motorcycle equipped with the engine

#194
20140342862
2014-11-20

Clamping device for a belt drive

#195
20140309882
2014-10-16

Intelligent belt drive system and method

#196
20140256488
2014-09-11

Belt tensioner

#197
20140200104
2014-07-17

Chain tensioner

#198
20140194236
2014-07-10

Power transmission device

#199
20140179471
2014-06-26

Chain or belt tensioner with a ratchet that deactivates

#200
20140141910
2014-05-22

Chain-tensioning device

#201
20140109536
2014-04-24

Agricultural harvester drive line

#202
20140100068
2014-04-10

Chain tensioner

#203
20140097563
2014-04-10

Mechanical tensioner strut with uni-directional friction damping

#204
20140057748
2014-02-27

Hydraulic auto-tensioner

#205
20130345002
2013-12-26

Tensioner for a traction device having an overpressure valve with a sealing cage, and traction device drive having a such tensioner

#206
20130337954
2013-12-19

Tensioning device with at least two vent elements

#207
20130331214
2013-12-12

Variable flow check valve for hydraulic tensioner

#208
20130331212
2013-12-12

Tensioner

#209
20130310206
2013-11-21

Ratchet-type tensioner

#210
20130303318
2013-11-14

Traction-means tensioning device having a securing element, and internal combustion engine having such a traction-means tensioning device

#211
20130288836
2013-10-31

Hydraulic tensioner

#212
20130274045
2013-10-17

Ratchet tensioner

#213
20130260930
2013-10-03

Hydraulic tensioner

#214
20130203535
2013-08-08

Tensioning device for a traction mechanism drive of an internal combustion engine

#215
20130203534
2013-08-08

Tensioning system with restoring action

#216
20130190117
2013-07-25

Tensioning device with an unlocking element having a ramp section

#217
20130178317
2013-07-11

Tensioning device with damping channel in the fluid supply system

#218
20130172137
2013-07-04

Intelligent belt drive system and method

#219
20130109518
2013-05-02

HYDRAULIC TENSIONER

#220
20130095967
2013-04-18

Tensioning device for a belt drive and electric engine with such a tensioning device

#221
20130059687
2013-03-07

Mechanical tensioner with one way damping

#222
20130059686
2013-03-07

Tensioning mechanism for a continuous belt or chain drive system

#223
20130040770
2013-02-14

Tensioning device for a belt drive and electric machine with such a tensioning device

#224
20130023367
2013-01-24

TENSIONING ARRANGEMENT HAVING A SWINGING ARM

#225
20130017913
2013-01-17

PRESSURE RELIEF VALVE IN A TENSIONING SYSTEM

#226
20120329590
2012-12-27

HYDRAULIC TENSIONER

#227
20120322596
2012-12-20

CHAIN TENSIONING DEVICE FOR USE IN A MOTOR VEHICLE

#228
20120322595
2012-12-20

Segmented receiving housing hole, sliding core, tensioning device and traction mechanism drive

#229
20120318589
2012-12-20

BELT TENSIONING ASSEMBLY FOR AN ENGINE SYSTEM HAVING A MOTOR-GENERATOR UNIT

#230
20120309570
2012-12-06

Ring-type tensioner

#231
20120259510
2012-10-11

Method and device for operating a belt drive of a motor vehicle

#232
20120252616
2012-10-04

Air bleeding valve for hydraulic tensioner of an engine and hydraulic tensioner incorporating same

#233
20120252615
2012-10-04

Hydraulic tensioner

#234
20120244975
2012-09-27

Ratchet-type tensioner

#235
20120225744
2012-09-06

Multi-strand tensioning arrangement with moving arms

#236
20120202629
2012-08-09

ACTIVE CONTROL TENSIONER

#237
20120202628
2012-08-09

Controllable Hydraulic Turnbuckle

#238
20120196710
2012-08-02

Quick release tensioner

#239
20120196709
2012-08-02

Ratchet-type tensioner

#240
20120192821
2012-08-02

Motorcycle camshaft drive tensioner

#241
20120178563
2012-07-12

Drive Belt System of Hybrid Engine

#242
20120160193
2012-06-28

Engine with chain tensioner

#243
20120135832
2012-05-31

Chain tensioner device

#244
20120135831
2012-05-31

Tensioning device with a damping means comprising a minimum capacity

#245
20120122619
2012-05-17

RATCHET-TYPE TENSIONER

#246
20120108376
2012-05-03

Tensioning device with a cylindrical latching system

#247
20120094792
2012-04-19

Torque biased friction hinge for a tensioner

#248
20120090457
2012-04-19

ANNULAR SPRING ELEMENT FOR A HYDRAULIC BELT TENSIONER

#249
20120052996
2012-03-01

Chain tensioner device

#250
20120040790
2012-02-16

Tensioning apparatus with locking bracket

#251
20120024249
2012-02-02

HYDRAULIC BACKLASH COMPENSATING ELEMENT

#252
20120010033
2012-01-12

Tensioning Device with Pivotable Joint Connection

#253
20110297906
2011-12-08

Hydraulic tensioning device for a flexible drive means

#254
20110287880
2011-11-24

Chain tensioner

#255
20110269586
2011-11-03

Driving force transmission apparatus and adjustment method thereof

#256
20110269585
2011-11-03

TENSION REGULATOR WITH A PRESSURE VESSEL APPLIED TO A TIMING BELT

#257
20110269584
2011-11-03

Ball-type tensioner

#258
20110263366
2011-10-27

Hydraulic tensioner

#259
20110256970
2011-10-20

Chain tensioner

#260
20110251002
2011-10-13

Chain guide mechanism

#261
20110251001
2011-10-13

Tensioner

#262
20110251000
2011-10-13

ENDLESS TRACTION MECHANISM TENSIONER

#263
20110237372
2011-09-29

Tensioner

#264
20110237370
2011-09-29

Tensioning device for an endless drive means having a combination valve

#265
20110230288
2011-09-22

TENSIONING UNIT FOR A TRACTION-MEANS TENSIONING DEVICE

#266
20110224039
2011-09-15

PROCESS FOR PRODUCING A SLIDING BEARING LOCATION IN A CAST COMPONENT AND CAST COMPONENT ITSELF

#267
20110207567
2011-08-25

LINEARLY ACTING TENSIONING ELEMENT

#268
20110195810
2011-08-11

Tensioning apparatus with a blocking device

#269
20110183797
2011-07-28

Chain guide mechanism

#270
20110183796
2011-07-28

RATCHET-TYPE TENSIONER

#271
20110152022
2011-06-23

TENSIONER UNIT

#272
20110143873
2011-06-16

Tensioning system with self-locking mechanism

#273
20110136605
2011-06-09

DUAL PLUNGER LINEAR CHAIN TENSIONER FOR TENSIONING MULTIPLE CHAIN SPANS

#274
20110130232
2011-06-02

Tensioner

#275
20110111899
2011-05-12

Clip-type tensioner

#276
20110111898
2011-05-12

Clip-type tensioner

#277
20110105257
2011-05-05

Mechanical tensioner with damping feature

#278
20110098145
2011-04-28

TENSION REGULATOR APPLIED TO A TIMING BELT

#279
20110081997
2011-04-07

RATCHETING TENSIONER WITH A SLIDING AND PIVOTING PAWL

#280
20110077114
2011-03-31

ANCHORED MECHANICAL STRAP TENSIONER FOR MULTI-STRAND TENSIONING

#281
20110073692
2011-03-31

Belt tensioning apparatus

#282
20110070985
2011-03-24

Drive belt tensioner for motor generator unit

#283
20110070984
2011-03-24

Accessory drive tensioner assembly

#284
20110065540
2011-03-17

BELT DRIVE MECHANISM WITH BELT TENSIONER

#285
20110065539
2011-03-17

Engine accessory drive with belt tensioner and same plane idler

#286
20110034281
2011-02-10

Device for placing looped belt under tension

#287
20110028253
2011-02-03

Tensioning device with restraint system

#288
20110015013
2011-01-20

Hydraulic tensioning system comprising integrated overpressure valve

#289
20110012045
2011-01-20

VALVE CAP FOR A NON-RETURN VALVE

#290
20110011363
2011-01-20

Internal combustion engine with dynamic balancing system

#291
20110003657
2011-01-06

Chain tensioner

#292
20100298078
2010-11-25

RATCHET-TYPE TENSIONER

#293
20100298077
2010-11-25

RATCHET-TYPE TENSIONER

#294
20100273591
2010-10-28

MECHANICAL SPRING ELEMENT FOR FLEXIBLE DRIVE

#295
20100267503
2010-10-21

HYDRAULIC TENSIONING ELEMENT FOR A TRACTION MECHANISM DRIVE

#296
20100261564
2010-10-14

ROTARY TENSIONER

#297
20100257951
2010-10-14

Starter device for combustion engine, particularly of motor vehicle

#298
20100222168
2010-09-02

Chain tensioner

#299
20100222167
2010-09-02

MODULAR HYDRAULIC TENSIONER WITH RATCHET

#300
20100197431
2010-08-05

Chain tensioner having biased disabling mechanism