| Class 192 | 192 CLUTCHES AND POWER-STOP CONTROL |
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![[List of Pre Grant Publications for class 192 subclass 3.21]](../as.gif) | ![[List of Patents for class 192 subclass 3.21]](../ps.gif) | 3.21 | VORTEX-FLOW DRIVE AND CLUTCH |
| | 3.22 |  With means to effect torque reversal |
| | 3.23 | With brake |
| | 3.25 | With additional drive or clutch |
| | 3.28 | Including drive-lockup clutch |
| | 3.32 | Alternatively operative drive and clutch |
| | 3.33 | Fluid-pressure operator for engaging clutch |
| | 3.34 | VORTEX-FLOW DRIVE AND BRAKE |
| | 3.51 | TRANSMISSION CONTROL AND CLUTCH CONTROL |
| | 3.52 | Planetary transmission and coaxial clutch |
| | 3.54 | Common control |
| | 3.55 |  Power-operated clutch |
| | 3.61 | Stepped ratio transmission |
| | 3.63 | Interrelated (e.g., with interlock) |
| | 215 | TRANSMISSION AND BRAKE |
| | 216 | Internal resistance brake |
| | 217 | Velocipede |
| | 218 | Motor vehicle |
| | 219 | Transmission control affects brake |
| | 220 | Brake control affects transmission change |
| | 221 | Fluid operated |
| | 222 | Electromagnetic |
| | 223 | Torque-responsive brake |
| | 223.1 | Transversely engaged positive brake |
| | 223.2 | Ball or roller type brake |
| | 223.3 | With cam mechanism for axially moving brake member |
| | 223.4 | Wrap-spring brake |
| | 224 | Belt or chain transmission |
| | 224.1 | Belt tensioner affects brake operation |
| | 224.2 | Belt failure operates brake |
| | 224.3 | Belt shipper affects brake operation |
| | 225 | Fluid operated |
| | 226 | Electromagetic |
| | 12R | CLUTCH AND BRAKE |
| | 13R | Vehicle type |
| | 14 | Same member |
| | 15 | Automatic check and release |
| | 17R | Peripheral brake |
| | 18R | Sliding operation |
| | 19 | Crank control |
| | 12A | Internal resistance |
| | 12B | One-way engaging |
| | 12C | Fluid operator |
| | 12D | Electric |
| | 20 | CLUTCH AND GEAR |
| | 21.5 | FIELD RESPONSIVE FRICTIONAL MEDIA TYPE |
| | 22 | LATCH OPERATED |
| | 23 | Corn-planter type |
| | 24 | Longitudinally moving transmission member |
| | 26 | Transversely moving transmission member |
| | 30R | CLUTCHES |
| | 31 | Automatic |
| | 32 | Manual control |
| | 41R | One-way engaging |
| | 42 |  Free-engine type |
| | 43 | Reversible |
| | 45.001 | Ball or roller |
| | 45.002 |  Roller has non-spherical, non-cylindrical force transmitting surface |
| | 45.003 | Plural ball or roller sizes or shapes |
| | 45.004 | Plural balls or rollers of same shape and size |
| | 45.005 |  Received in recesses in each of two cooperating clutch races |
| | 45.006 | Including cage |
| | 45.007 |  Including axle for ball or roller |
| | 45.008 | Balls or rollers spring biased toward engaged state |
| | 45.009 |  Including speed-responsive biasing mechanism |
| | 45.01 | Biased cage |
| | 45.011 | Including bearing block between clutch races and between balls or rollers |
| | 45.012 | Spring integrally formed with cage |
| | 45.013 | Plural integral springs separate from cage |
| | 45.014 | Spring and multipart cage |
| | 45.015 | Spring mounted on projection on cage |
| | 45.016 | Serpentine spring |
| | 45.017 | Including separating means on clutch race |
| | 45.1 | Wedging pawl or block |
| | 45.2 | Two-point gripper |
| | 46 | Positive |
| | 47 | Manual control |
| | 41S | Spring |
| | 41A | Sprags |
| | 48.1 | Plural clutch-assemblage |
| | 48.2 | Including electrically actuated clutch assemblage |
| | 48.3 | Diverse clutch-assemblages |
| | 48.4 | Including three or more assemblages |
| | 48.5 | Including one clutch-assemblage having interdigitated clutch-elements |
| | 48.601 | Having fluid pressure operator |
| | 48.602 | Operator rotatable relative to its clutch-assemblage |
| | 48.603 | Operator coaxial with its clutch-assemblage |
| | 48.607 | Axially spaced coaxial clutch-assemblages |
| | 48.608 | Plural fluid pressure operators forming nested pistons |
| | 48.609 | Axially spaced coaxial clutch-assemblages |
| | 48.61 | Plural fluid pressure operators forming nested pistons |
| | 48.611 | Operator coaxial with its clutch-assemblage |
| | 48.615 | Radially acting operator |
| | 48.616 | Plural fluid pressure operators forming nested pistons |
| | 48.618 | Operator coaxial with its clutch-assemblage |
| | 48.7 | With means to actuate or deactuate clutch-assemblages sequentially |
| | 48.8 | Associated with three or more shafts |
| | 48.92 | Including unirotationally engaging clutch-elements |
| | 49 | Parallel vehicle wheels |
| | 51 | Reversing |
| | 52.1 | Progressive engagement |
| | 52.2 | Surface area |
| | 52.4 | Variable force |
| | 52.6 | Yielding |
| | 53.1 | Frictional and positive |
| | 53.2 | Magnetic or electromagnetic operated friction clutch |
| | 53.3 | With blocker |
| | 53.31 | Self-energizing |
| | 53.32 | Interposed friction members |
| | 53.33 | Member extending axially between friction surfaces |
| | 53.34 | Outward tooth or lug on friction member |
| | 53.35 | Inward tooth or lug on friction member |
| | 53.36 | Radially movable blocker |
| | 53.4 | Lock for positive clutch |
| | 53.5 | Axially projecting positive clutch |
| | 53.6 | Transversely moving positive clutch |
| | 54.1 | Torque responsive |
| | 54.2 | Hub clutch |
| | 54.5 | Cam operated |
| | 55.1 | With overload release coupling |
| | 55.2 | With flexible shaft coupling permitting limited relative rotation |
| | 55.3 | Separate resilient member between clutch element and its shaft |
| | 56.1 | Overload release |
| | 56.2 | Coil |
| | 56.3 | Fluid-operated clutch |
| | 56.4 | Magnetic or electromagnetic |
| | 56.5 | Clutch elements remain disengaged after overload corrected |
| | 56.6 | Axially engaged |
| | 54.3 | Fluid operated |
| | 54.4 | Magnetic or electromagnetic |
| | 57 | Fluent material and mechanical |
| | 58.1 | Fluent material |
| | 58.2 | Fluid |
| | 58.3 | Vane clutch |
| | 58.4 | Viscous shear |
| | 58.41 | Multiple plate |
| | 58.43 | Variable gap or volume |
| | 58.5 | Separate reservoir |
| | 58.9 | Radial vane |
| | 59 | Axially movable piston |
| | 60 | Transversely movable piston |
| | 61 | Gear-pump type |
| | 62 | Plow-lifting type |
| | 63 | Free-engine type |
| | 64 | Velocipede free wheel |
| | 65 | Axially and transversely engaging |
| | 66.1 | Axially engaging |
| | 66.2 | Conical or frustoconical |
| | 66.3 | Planar radially extending |
| | 69 | Positive |
| | 69.1 | Pivoting positive clutch element |
| | 69.2 | Plunger disconnect |
| | 69.3 | Pilot pawl |
| | 69.4 | Wheel hub clutched to axle |
| | 69.5 | Ball or roller |
| | 69.6 | Cylindrical pin |
| | 69.7 | Axial-radial |
| | 69.8 | Axial-axial |
| | 69.9 | Radial-radial |
| | 70 | Spreading |
| | 70.11 | Interposed, mating clutch-elements |
| | 70.12 | With means to cool or lubricate clutch parts |
| | 70.13 | With removable or replaceable or interchangeable clutch parts |
| | 70.14 | Including surface characteristics of clutch-element |
| | 70.16 | With torque connection between clutch-element and its shaft |
| | 70.21 | With means to move multiple clutch-elements axially and sequentially |
| | 70.22 | With means to move clutch-element axially and latch into engaged or disengaged position |
| | 70.23 | With cam or wedge contacting clutch-element or pressure plate for axial movement thereof |
| | 70.251 | With adjustable means to move clutch-element axially (e.g., to compensate for wear) |
| | 70.27 | With spring means to move clutch-element axially |
| | 70.3 | With actuator lever pivoted on pressure plate or back plate to move clutch-element axially |
| Transversely engaged |
| | 82R | Operators |
| | 83 | Multiple for same clutch |
| | 84.1 | Electric or magnetic |
| | 84.2 | Plural coils |
| | 84.3 | Including permanent magnet |
| | 84.4 | Electrostatic |
| | 84.5 | Air gap adjustment |
| | 84.6 | Rotary electric motor is clutch actuator |
| | 84.7 | Mechanical force increasing means |
| | 84.8 | Operator for transversely engaging elements |
| | 84.9 | Operator for axially engaging elements |
| | 85.01 | Fluid pressure |
| | 85.02 | Operator force derived from clutch input or output |
| | 85.03 | Elastic (e.g., diaphragm, pneumatic tube) |
| | 85.04 | Rotating with clutch input or output |
| | 85.05 | And causing purely axial movement |
| | 85.06 | Including flexible friction discs |
| | 85.07 | Plural oppositely acting elastic operators |
| | 85.08 | Clutch has flat friction surfaces |
| | 85.11 | Clutch has positively engaging clutch members |
| | 85.12 | And causing purely radial movement |
| | 85.14 | Rotatable relative to clutch input and output |
| | 85.17 | Piston and cylinder operator rotating with clutch input or output |
| | 85.18 | Positive clutch |
| | 85.19 | Friction clutch |
| | 85.2 | Having friction elements movable axially only |
| | 85.21 | Having conical or frustoconical friction surfaces (e.g., cone clutch) |
| | 85.23 | Having flat friction surfaces |
| | 85.24 | More than two friction elements |
| | 85.25 |  Including balance chamber |
| | 85.26 | Cam mechanism between piston and friction element |
| | 85.27 | Auxiliary exhaust or relief passage from piston chamber |
| | 85.28 |  Fluid escape from piston chamber by rotation-induced pressure |
| | 85.29 | In piston |
| | 85.31 | Valve in passage |
| | 85.32 | Variable fluid contacting piston area |
| | 85.33 | Axially stationary piston, moving cylinder |
| | 85.34 | Cushioning element between piston and friction element |
| | 85.35 | Operator acts on friction elements via diaphragm spring or lever |
| | 85.36 | Electric or magnetic release |
| | 85.37 | Fluid released clutch |
| | 85.39 | Spring released clutch |
| | 85.43 | Having particular friction element structure |
| | 85.44 | Having particular piston seal |
| | 85.45 | Piston has interrupted engagement face |
| | 85.46 | Piston has non-planar engagement face |
| | 85.47 | Having radially displaceable friction surface |
| | 85.48 | Operator rotatable relative to clutch input and output |
| | 85.49 | And aligned with clutch axis of rotation |
| | 85.5 | Operator acts on clutch through push rod extending coaxially through input or output shaft |
| | 85.51 | Operator acts on clutch via diaphragm spring or lever |
| | 85.53 | Details of fluid operator |
| | 85.55 | Details of master cylinder |
| | 85.56 | Operator spaced from and parallel to clutch axis of rotation |
| | 85.57 | Fluid released clutch |
| | 85.59 | Details of fluid operator |
| | 85.6 | Details of master cylinder |
| | 85.61 | Cooling or lubricating |
| | 85.62 | Having wear compensator |
| | 85.63 | Including fluid pressure control |
| | 89.1 | Weight operated |
| | 89.2 | Spring engaged |
| | 90 | Electric release |
| | 89.21 | Cam release |
| | 89.22 | Belleville disc spring |
| | 89.26 | Plural coil springs spaced from clutch axis |
| | 89.27 | Coil spring coaxial to clutch axis |
| | 89.29 | Quick throw spring |
| | 92 | One-direction apply and release |
| | 93R | Cam |
| | 93A | Axially thrusting cams rotatable about clutch axis |
| | 93B | Axially moving cam acting on pivoted lever |
| | 93C | Axially moving cam acting on transversely moving wedge or clutch member |
| | 94 | Screw |
| | 95 | Handwheel |
| | 96 | Central pin |
| | 98 | Shipper saddles |
| | 99R | Lever systems |
| | 99A | Levers mounted on axially engaging clutch |
| | 99B | Levers mounted on transversely engaging clutch |
| | 99S | Stationary levers |
| | 100 | Follow-up |
| | 101 | Releasing |
| | 102 | Check of driven member |
| | 103R | Speed responsive |
| | 104R | Fixed-speed release |
| | 104B | Transversely engaged-interior |
| | 104C | Transversely engaged-exterior |
| | 104F | Fluid clutches and operators |
| | 105R | Fixed-speed engagement |
| | 105A | Centrifugal (fluid or powder) nonpivoted weights (radially movably or slidable) i.e., mercury clutch |
| | 105B | Axially engaged with nonpivoted weights-weights movable radially or slidable |
| | 105BA | Transversely engaged with nonpivoted weights |
| | 105BB | Transversely engaged positive with nonpivoted weights |
| | 105C | Axially engaged with pivoted weights |
| | 105CP | Weights pivoted on axis parallel to clutch axis-axially engaged |
| | 105CS | Single pair clutching elements axially engaged with pivoted weights |
| | 105CD | Transversely expanding clutch with pivoted weights |
| | 105CE | Transversely engaged-pivoted weights and clutching elements movable separately |
| | 105CF | Transversely contracting |
| | 105F | Fluid controls for centrifugal clutches |
| | 106R | Release |
| | 103A | Centrifugal operated, axially engaged |
| | 103B | Centrifugal operator transversely engaged |
| | 103C | Acceleration and inertia responsive |
| | 103F | Fluid operated |
| | 103FA | Fluid pressure engaged with centrifugal valve |
| | 82P | Rack and pinion operator |
| | 82T | Temperature operator |
| | 30W | Warning, indicating, and signal devices |
| | 30V | Vibration dampers |
| ELEMENTS |
| | 200 | Clutch element resiliently carried on hub |
| | 201 | Speed-responsive |
| | 202 | Manually adjustable |
| | 203 | Coil spring detail |
| | 204 | Specified bushing |
| | 205 | Separate seat detail |
| | 206 | Relatively axially movable hub sections |
| | 207 | Circumferential resilience |
| | 107R | Engaging surfaces |
| | 109R | Thrust members, retarders, and stops |
| | 109A | Resilient operators and pressure plates |
| | 109B | Resilient backing plates |
| | 109F | Cushioning devices for fluid operators |
| | 109D | Dashpot |
| | 110R | Shafts, bearings, and adjusting devices |
| | 111.1 | Wear compensators |
| | 111.11 | Compensator in actuating mechanism outside of the clutch (EPO) |
| | 111.13 | Compensator in or near release bearing (EPO) |
| | 111.15 | Compensator on or inside clutch cover (e.g., acting on diaphragm or pressure plate) (EPO) |
| | 111.16 | Automatic |
| | 111.17 | Worm mechanism |
| | 111.18 | Relatively rotatable cam rings |
| | 111.4 | Having clearance sensor bridging gap between clutch members and moveable only during engagement |
| | 111.5 | Relatively rotatable cam rings |
| | 111.6 | Threaded element centered on clutch axis |
| | 112 | Casings |
| | 113.1 | Lubricating, insulating, or cooling |
| | 113.2 | Air cooling |
| | 113.3 | Liquid cooled or lubricated clutch surfaces |
| | 113.31 | Entire coolant path is spaced from clutch surfaces |
| | 113.32 | Overrunning clutch |
| | 113.33 | Positive |
| | 113.34 | Lubricant or coolant between engaging surfaces |
| | 113.4 | Thermal insulating |
| | 113.5 | Lubrication of ancillary clutch parts |
| | 114R | Locks |
| | 115 | Supports |
| | 116.5 | STOP MECHANISM |
| | 125R | Material control |
| | 126 | Sheet material |
| | 125A | Power stop-material control-electrical |
| | 125B | Mechanical |
| | 125C | Pneumatic |
| | 125D | Granular material |
| | 125E | Work start |
| | 125F | Length of material stop |
| | 129R | Safety device |
| | 138 | Limit stop |
| | 144 | Drive release and brake |
| | 150 | Overload release |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| CLUTCHES (192/30) |
| FOR101 | TRANSMISSION CONTROL AND BRAKE (192/4 R) |
| FOR102 | Back-pedaling brake (192/5) |
| FOR106 | Automatic brake (192/7) |
| FOR110 | Electric control (192/9) |
| FOR111 | Belt shipper (192/10) |
| FOR112 | Belt tightener (192/11) |
| FOR113 | Automatic type (192/4 A) |
| FOR114 | Internal resistance brake (192/4 B) |
| FOR115 | Forward and reverse gearing (192/4 C) |
| CLUTCHES (192/30) |
| ELEMENTS |
| CLUTCHES (192/30) |
| Operators (192/82 R) |
| FOR118 | Fluid pressure (192/85 R) |
| FOR119 | Double acting (192/86) |
| FOR120 | Multiple clutches (192/87.1) |
| FOR121 | Having independent operators (192/87.11) |
| FOR122 | Responsive to rotational speed of clutch-element (192/87.12) |
| FOR123 | With selective distributor for fluid pressure (192/87.13) |
| FOR124 | Alternatively operative clutches (192/87.14) |
| FOR130 | Flexible motor (192/88 R) |
| FOR133 | Axially engaging-rotating motor and clutch (192/85 A) |
| FOR134 | Axially engaging clamping rotating motor and clutch (192/85 AA) |
| FOR135 | Axially engaging spreading rotating motor and clutch (192/85 AB) |
| FOR136 | Transversely engaging rotating motor and clutch (192/85 AT) |
| FOR137 | Clutch and nonrotating motor (192/85 C) |
| FOR138 | Clutch and nonrotating motor (192/85 CA) |
| FOR139 | Centrifugal fluid clutches (192/85 F) |
| FOR140 | Vacuum clutches and operators (192/85 V) |
| FOR141 | Fluid release (192/91R) |
| Automatic (192/31) |
| DIGESTS | ||
| | DIG1 | REMOVABLE MEMBERS |
| | DIG2 | UNIVERSAL JOINT |