PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

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Class Number: 192
 Class Title: CLUTCHES AND POWER-STOP CONTROL

Subclass  Subclass
Number    Title

  .02     INTERRELATED POWER DELIVERY CONTROLS (HAVING MOTOR AND
           CLUTCH CONTROLS)
  .0 2R   .Electric motor control and clutch
  .0 2C   ..Calculating machine
  .03     .Automatic control
  .032    ..By speed and/or torque
  .033    ...By speed only
  .034    ...By torque only
  .04     .Motor, clutch and gearing controls operate other controls
  .042    .Motor, clutch and brake controls operate other controls
  .044    .Motor, gearing and brake controls operate clutch controls
  .046    .Clutch, gearing and brake controls operate motor controls
  .048    .Motor and clutch controls operate other controls
  .049    ..Other control is brake control
  .052    .Motor and gearing controls operate clutch controls
  .055    .Motor and brake controls operate clutch controls
  .058    .Clutch and brake controls operate motor controls
  .062    .Clutch and gearing controls operate motor controls
  .07     .Motor control operates clutch control
  .072    ..And brake control
  .073    ..And gearing control
  .075    ..With regulated clutch engagement
  .076    ...Speed responsive
  .077    ...Inertia responsive
  .08     .Gearing control operates clutch and motor controls
  .082    .Brake control operates clutch and motor controls
  .084    .Clutch control operates motor control
  .09     .Of motor, clutch, gearing and brake controls
  .092    .Of motor, clutch and gearing controls
  .094    .Of motor, clutch and brake controls
  .096    .Of motor and clutch control
  .098    ..Multiple motor and/or multiple clutch
  1.1     INTERRELATED MOTOR AND BRAKE CONTROL
  1.2     .Sensed condition responsive control of motor or brake
  1.21    ..Brake
  1.22    ...And motor
  1.23    ...Speed or acceleration responsive
  1.24    ..Speed or acceleration responsive
  1.25    .Plural diverse brake means
  1.26    .Motor energy control having adjusting and holding device,
            with means on brake control to override holding device
  1.27    ..Holding device engaged by electric means
  1.28    ...Magnetic holding device
  1.29    ..Mechanical holding device engaged by mechanical means
  1.3     ...Device or means including a threaded shaft, rack or
              rathet
  1.31    .Brake control having holding device, with means on motor
            control to override holding device
  1.32    ..Holding device responsive to motion, speed, or
             acceleration
  1.33    ...Holding device comprising brake valve operated by
              solenoid..
  1.34    ..Holding device engaged by electric means
  1.35    ...Holding device comprising brake valve operated by
              solenoid
  1.36    .Brake engaged when motor energy deactivated brake
            disengaged when motor energy activated
  1.37    ..Electric motor
  1.38    ...Cam actuated brake
  1.39    ...Electrically actuated brake
  1.4     ..Internal combustion type motor
  1.41    ...Controls brake valve
  1.42    ....Vacuum actuated brake
  1.43    .Brake condition change modifies motor condition
  1.44    ..Brake actuation interrupts ignition circuit of fluid
             motor
  1.45    ..Brake actuation decreases or eliminates fluid energy
             input to motor
  1.46    ...By closing throttle valve
  1.47    ...By preventing increasing operation of motor energy
              control
  1.48    ..Brake actuation opens switch to electric motor
  1.49    ...Mechanically actuated brake
  1.5     ....Lever disengages switch
  1.51    .Decreasing fluid energy input to motor actuates brake
  1.52    .Control means selectively operates motor energy input and
            brake
  1.53    ..Electric motor
  1.54    ...Fluid actuated brake
  1.55    ...Electrically actuated brake
  1.56    ..Foot operated control means
  1.57    ...Motor and brake control including interconnected
              elements
  1.58    ...Pivots and translates
  1.59    ....Pivots about intermediate fulcrum
  1.6     ...Pivots about two fulcrums
  1.61    ...Pivots about intermediate fulcrum
  1.62    ...Lever reciprocates on moveable supports at both ends
  1.63    ...Pivots for sequential operation
  1.64    ..Control means including fluid passage
  3.21    VORTEX-FLOW DRIVE AND CLUTCH
  3.22    .With means to effect torque reversal
  3.23    .With brake
  3.24    ..Alternatively operative clutch and brake
  3.25    .With additional drive or clutch
  3.26    ..Simultaneously operative clutches
  3.27    ..Alternatively operative clutches
  3.28    .Including drive-lockup clutch
  3.29    ..Having fluid-pressure operator
  3.3     ...With auxiliary source of pressure
  3.31    ..Having speed-responsive operator
  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 CONTTROL
  3.52    .Planetary transmission and coaxial clutch
  3.53    ..Including separate, reversing pedal
  3.54    .Common control
  3.55    ..Power operated clutch
  3.56    ...Electromagnetically operatedd
  3.57    ...Fluid-press operated
  3.58    ....Electrically triggered
  3.59    ....Vacuum operated
  3.61    ..Stepped ratio transmission
  3.62    ...With control lever
  3.63    .Interrelated (e.g., with interlock)
  4 R     TRANSMISSION CONTROL AND BRAKE
  5       .Back-pedaling brake
  6 R     ..Hub brake
  6 A     ...With change speed transmission
  6 B     ...Rotatable axle
  7       .Automatic brake
  8 R     ..Responsive to drive release
  8 A     ...Cable
  8 C     ...Coil brake
  9       .Electric control
  10      .Belt shipper
  11      .Belt tightener
  4 A     .Automobile type
  4 B     .Internal resistance brake
  4 C     .Forward and reverse gearing
  12 R    CLUTCH AND BRAKE
  13 R    .Vehicle type
  13 A    ..Clutch released brake holder
  14      .Same member
  15      .Automatic check and release
  16      ..Clutch and brake same member
  17 R    .Peripheral brake
  17 A    ..Fluid operator
  17 C    ..Electric
  17 D    ..Coil
  18 R    .Sliding operation
  18 A    ..Fluid operator
  18 B    ..Electric and magnetic
  19      .Crank control
  12 A    .Internal resistance
  12 B    .One-way engaging
  12 BA   ..Coil spring type
  12 C    .Fluid operator
  12 D    .Electric
  20      CLUTCH AND GEAR
  21      .Reversing
  21.5    FIELD RESPONSIVE FRICTIONAL MEDIA TYPE
  22      LATCH OPERATED
  23      .Corn-planter type
  24      .Longitudinally moving transmission member
  25      ..Pin
  26      .Transversely moving transmission member
  27      ..Ball or roller
  28      ..Positive
  29      ...Rotating key
  30 R    CLUTCHES
  31      .Automatic
  32      ..Manual control
  33 R    ...Definite-position release
  33 C    ....Coil
  34      ...Shaft thrust
  35      ...Pilot mechanismm
  36      ....Brake band
  37      ...Transversely moving
  38      ....Ball or roller
  39      ....Positive
  40      ...Electric
  41 R    ..One-way engaging
  42      ...Free-engine type
  43      ...Reversible
  43.1    ....Pivoted pawls
  43.2    ....Slidable pawls
  44      ....Ball or roller
  45      ...Ball or roller
  45.1    ...Wedging pawl or block
  45.2    ...Two-point gripper
  46      ...Positive
  47      ...Manual control
  41 S    ...Spring
  41 A    ...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
  48.6    ....And another clutch-assemblage having
               unirotationally-engaging clutch elements
  48.7    ..With means to actuate or de-actuate clutch-assemblages
             sequentially
  48.8    ..Associated with three or more shafts
  48.9    ...Alternatively-operative assemblages
  48.91   ....Having common clutch-element support
  48.92   ..Including unirotationally-engaging clutch-elements
  49      ..Parallel vehicle wheels
  50      ...Free wheel
  51      ..Reversing
  52      .Progressive engagement
  53 R    ..Frictional and positive
  53 A    ...Expansible or contractible blocker or blocker actuator
              means
  53 B    ...No blocker means present
  53 C    ...Spring-like elements as friction means
  53 D    ...Magnetic or electro-magnetic operated friction means
  53 E    ...Radially extending blocker lugs or arm extending axially
              between friction members (no end blocker)
  53 F    ...Annular friction member as an end blocker means, i.e.,
              blocker lugs, pins, or teeth
  53 G    ...Shifter held from disengagement (lock); also devices
              where detent acts as blocker, plus friction means
  53 H    ...Ratchet and pawl or similar synchronizing means
  54      .Torque responsive
  55      ..Yielding
  56 R    ..Release on overload
  56 C    ...Coil clutch
  56 F    ...Fluid clutches and operators
  56 L    ...Clutch element on pivoted lever
  57      .Fluent material and mechanical
  58 R    .Fluent material
  59      ..Axially movable pistonn
  60      ..Transversely movable piston
  61      ..Gear-pump type
  58 A    ..Vanes on shearing members
  58 B    ..Smooth surfaces on shearing members
  58 C    ..Axially movable shear type fluid clutches
  62      .Plow-lifting type
  63      .Free-engine type
  64      .Velocipede free wheel
  65      .Axially and transversely engaging
  66      .Axially engaging
  67 R    ..Positive
  67 A    ...Pilot clutch cause synchronous engagement of positive
              clutch
  67 P    ...Pin
  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
  70.15   ....Axially-tapered mating surfaces
  70.16   ...With torque connection between clutch-element and its
              shaft
  70.17   ....Resilient torque connection (e.g., for damping
               vibration)
  70.18   .....Including chordally-disposed connection
  70.19   ....Axially-slidable connection
  70.2    .....Spline connection for multiple clutch-elements
  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
  70.24   ....By cam surface on bell-crank
  70.25   ...With adjustable means to move clutch-element axially
              (e.g., to compensate for wear)
  70.26   ....Including plural adjusting screws (e.g., to equalize
               pressure angularly)
  70.27   ...With spring means to move clutch-element axially
  70.28   ....To separate engaged clutch-elements
  70.29   ....And actuator lever pivoted on pressure plate
  70.3    ...With actuator lever pivoted on pressure plate or back
              plate to move clutch element axially
         .Transversely engaged
  71      ..Positive
  72      ..Interior and exterior
  73      ...Opposing
  74      ..Interior
  75      ...Expanding
  76      ....Radial
  77      ....Split ring
  78      .....Cam operated
  79      ..Exterior
  80      ...Strap
  81 R    ....Multiple folds
  81 C    .....Coil
  82 R    .Operatorss
  83      ..Multiple for same clutch
  84 R    ..Electric
  84 P    ...Photo-cell operator
  84 A    ...Electromagnetic axially engaging; coil concentric with
              clutch shaft and different shaft than armature
  84 AA   ....With multiple clutches
  84 AB   ....With multiple coils
  84 B    ...Coil and armature on same shafts axially engaging
  84 C    ...Fixed concentric coil, axially engaging
  84 PM   ...Permanent magnet
  84 T    ...Transversely engaging
  84 E    ...Electro-static
  85 R    ..Fluid pressure
  86      ...Double acting
  87.1    ...Multiple clutches
  87.11   ....Having independent operators
  87.12   .....Responsive to rotational speed of clutch-element
  87.13   .....With selective distributor for fluid pressure
  87.14   ....Alternatively operative clutches
  87.15   .....Clutches co-axial with operators
  87.16   ......Common or interconnected operator(s)
  87.17   .......Operator between clutches
  87.18   .....With selective distributor for fluid pressure
  87.19   ......Having neutral position
  88 R    ...Flexible motor
  88 A    ....Flexible fluid motor-axially engaged
  88 B    ....Radially engaged
  85 A    ...Axially engaging-rotating motor and clutch
  85 AA   ...Axially engaging clamping rotating motor and clutch
  85 AB   ...Axially engaging spreading rotating motor and clutch
  85 AT   ...Transversely engaging rotating motor and clutch
  85 C    ...Clutch and non-rotating motor
  85 CA   ...Clutch and non-rotating motor concentric with shaft
  85 F    ...Centrifugal fluid clutches
  85 V    ...Vacuum clutches and operators
  89 R    ..Spring or weight
  89 RS   ...Spring engaged
  90      ....Electric release
  91 R    ....Fluid release
  91 A    .....Motor concentric with clutch shaft
  89 CR   ....Cam release
  89 BL   ....Belleville disc spring
  89 PH   .....Push-type
  89 PL   .....Pull-type
  89 SD   .....Geometric configuratiom
  89 CP   ....Plural coil springs spaced from clutch axis
  89 CC   ....Coil spring coaxial to clutch axis
  89 CT   .....Transversely engaged
  89 QA   ....Quick throw spring
  92      ..One-direction apply and release
  93 R    ..Cam
  93 A    ...Axially thrusting cams rotatable about clutch axis
  93 B    ...Axially moving cam acting on pivoted lever
  93 C    ...Axially moving cam acting on transversely moving wedge
              or clutch member
  94      ..Screw
  95      ..Handwheel
  96      ..Central pinn
  97      ...Screw operated
  98      ..Shipper saddles
  99 R    ..Lever systems
  99 A    ...Levers mounted on axially engaging clutch
  99 B    ...Levers mounted on transversely engaging clutch
  99 S    ...Stationary levers
  100     ..Follow-up
  101     ..Releasing
  102     ..Check of driven member
  103 R   ..Speed responsive
  104 R   ...Fixed-speed release
  104 B   ....Transversely engaged-interior
  104 C   ....Transversely engaged-exterior
  104 F   ....Fluid clutches and operators
  105 R   ...Fixed-speed engagement
  105 A   ....Centrifugal (fluid or powder) non-pivoted weights
               (radially movable or slidable) i.e., mercury clutch
  105 B   ....Axially engaged with non-pivoted weights-weights
               movable radially or slidable
  105 BA  ....Transversely engaged with non-pivoted weights
  105 BB  ....Transversely engaged positive with non-pivoted weights
  105 C   ....Axially engaged with pivoted weights
  105 CP  ....Weights pivoted on axis parallel to clutch axis-axially
               engaged
  105 CS  ....Single pair clutching elements axially engaged with
               pivoted weights
  105 CD  ....Transversely expanding clutch with pivoted weights
  105 CE  ....Transversely engaged-pivoted weights and clutching
               elements movable separately
  105 CF  ....Transversely contracting
  105 F   ....Fluid controls for centrifugal clutches
  106 R   ...Release
  106 F   ....Devices to prevent fluid clutches from being operated
               by centrifugal forces acting on fluid
  103 A   ...Centrifugal operated, axially engaged
  103 B   ...Centrifugal operator transversely engaged
  103 C   ...Acceleration and inertia responsive
  103 F   ...Fluid operated
  103 FA  ...Fluid pressure engaged with centrifugal valve
  82 P    ..Rack and pinion operator
  82 T    ..Temperature operator
  30 W    .Warning, indicating, and signal devices
  30 V    .Vibration dampers
  106.1   ELEMENTS
  106.1   .Clutch-element resiliently carried on hub
  106.2   ..By helical-coil springs
  107 R   .Engaging surfaces
  108     ..Positive
  107 M   ..Material
  107 T   ..Transversely engaging
  107 C   ..Clutch plate axially compressible
  109 R   .Thrust members, retarders, and stops
  109 A   ..Resilient operators and pressure plates
  109 B   ..Resilient backing plates
  109 F   ..Cushioning devices for fluid operators
  109 D   ..Dashpot
  110 R   .Shafts, bearings, and adjusting devices
  110 B   ..Bearingss
  110 S   ..Shafts for removable clutches or discs
  111 R   .Wear compensators
  111 A   ..Automatic wear compensators
  111 B   ..Manually, axially adjustable, threaded members rotatable
             around clutch axis
  111 T   ..Manual wear compensators for transversely engaged
             clutches
  112     .Casings
  113 R   .Lubricating and cooling
  113 AC  ..Air cooling
  113 AF  ...Heat radiating structure
  113 AG  ...Grooved surfaces
  113 AD  ...Air directing structure
  113 AL  ....Rotating cover
  113 AS  ....Spring
  113 AP  ....Clutch plate
  113 LC  ..Liquid cooled or lubricated clutch surfaces
  113 SP  ...Entire coolant path is spaced from clutch surfaces
  113 LR  ...Overrunning clutch
  113 LP  ...Positive
  113 BT  ...Lubricant or coolant between engaging surfaces
  113 BR  ....With change of coolant flow during engagement
  113 BG  ....Grooved surfaces
  113 N   ..Thermal insulation
  113 P   ..Lubrication of ancillary clutch parts
  114 R   .Locks
  114 T   ..Interlocking clutch teeth or splines
  115     .Supports
  116.5   STOP MECHANISM
  125 R   .Material control
  126     ..Sheet material
  127     ...Electrical
  128     ...Pneumatic
  125 A   ..Power stop-material control-electrical
  125 B   ..Mechanical
  125 C   ..Pneumatic
  125 D   ..Granular material
  125 E   ..Work start
  125 F   ..Length of material stop
  129 R   .Safety device
  130     ..Hand protector
  131 R   ...Two hand
  131 H   ....Hand and foot
  132     ...Delayed action drive
  133     ..Automatic guard
  134     ...Punch-press type
  135     ...Cover
  136     ....Centrifugal-machine type
  137     ...Disabled transmission
  129 A   ..Electrical
  129 B   ..Pneumatic
  138     .Limit stop
  139     ..Rotary-member control
  140     ...Speed responsive
  141     ...Screw
  142 R   ...Electrical
  142 A   ....Radio tuner type
  143     ..Reciprocating-member controll
  144     .Drive release and brake
  145     ..Multiple clutch
  146     ..Change speed
  147     ..Speed responsive
  148     ..Positive stop
  149     ...Cushioned
  150     .Overload release
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 1   Removable members
  DIG 2   Universal joint