PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 72
 Class Title: METAL DEFORMING

Subclass  Subclass
Number    Title

  1       WITH RANDOMLY-ACTUATED STOPPING
  2       .Manually controlled
  3       .Responsive to condition of work or product
  4       ..Work feed or faulty work
  5       ...Termination or tangle of running-length work
  6       WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR
           STIMULATED BY CONDITION-SENSOR
  7       .Including sensor responsive to pattern, or to indicia carried
            by auxiliary record (e.g., tape or card)
  8       .With condition-corrector responsive to comparsion between
            plural conditions
  9       ..Of work or product only
  10      .Including sensor responsive to condition of work or product
  11      ..Including plural sensors or sensor responsive to plural
             conditions
  12      ...For sensing work or product only
  13      ..Comprising sensor responsive to temperature of work or
             product
  14      ..Comprising lead-end or tail-end sensor
  15      ...To control operation of deformer directly by sensor
  16      ..Comprising lateral-dimension (e.g., thickness) sensor
  17      ..Comprising surface-contacting sensor for running-length work
             (e.g., dancer)
  18      ...With deforming of work by sensor
  19      .Including sensor responsive to energy-input to tool or tool
            driver
  20      ..Sensor responsive to tool-actuating fluid pressure
  21      .Including sensor responsive to position of tool or tool-linked
            part
  22      ..To control predetermined sequence of operating movements
             (e.g., of one tool operating on work)
  23      ...Of different operating assemblages
  24      ....Including work-handling or product-handling
  25      ..To control operation of interlock
  26      ..To stop machine
  27      .To control different operating assemblages
  28      WITH USE OF SELF-REGULATING CONTROL SYSTEM UTILIZING ELECTRICAL
           OR HYDRAULIC ENERGY
  29      .Utilizing electrical energy
  30      WITH STOPPING UPON COMPLETION OF PRESCRIBED OPERATION
  31      WITH INDICATION OF CONDITION OR POSITION OF WORK, PRODUCT, OR
           MACHINE ELEMENT (E.G., BROKEN-TOOL ALARM)
  32      .Including use of quantitative indicator (e.g., pointer and
            scale)
  33      ..Work or product data (e.g., counter)
  34      ...Dimension or form
  35      ..Position of machine element (e.g., roller spacing)
  36      ...Adjustment of normally fixed element (e.g., work gauge)
  37      WITH USE OF OPTICAL OR TRANSPARENT (E.G., VIEWING) MEANS
  38      WITH EXPOSURE OF WORK TO GAS, VAPOR, MIST, OR MODIFIED
           ATMOSPHERE
  39      WITH CLEANING, DESCALING, OR LUBRICATION OF WORK OR PRODUCTT
  40      .Mechanical cleaning
  41      .Lubricating
  42      ..With particular lubricant
  43      ..With means to apply lubricant
  44      ...With means to transfer lubricant
  45      ....Force feed
  46      WITH "COATING" OF WORK
  47      .Metal coating
  48      BY TOOL-COUPLE PRESSING TOGETHER ADJACENT SURFACE PORTIONS OF
           SAME WORK (E.G., TUBE-SEAMER)
  49      .To form helically-seamed tube
  50      ..Using roller conforming to seam contour
  51      .To form longitudinally-seamed tube
  52      ..During longitudinal movement of work
  53      BY SHOT-BLASTING
  54      BY APPLICATION OF FLUENT MEDIUM, OR ENERGY FIELD
  55      .With cutting
  56      .By kinetic energy of fluid or field
  57      .With actuated tool engaging work
  58      ..Expanding hollow work
  59      ...Corrugating tubular work
  60      .Using fixed die
  61      ..Expanding hollow work
  62      ...In circular section die
  63      ..Utilizing diaphragm between fluid and work
  64      BY TWISTING AXIALLY MOVING WORK
  65      .With adjustment of machine or variation in effect of tool on
            product
  66      COILING BY WORK-GUIDE MEMBER ORBITING ABOUT LONGITUDINAL
           CENTERLINE OF FORMED COIL
  67      BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND
           WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL)
  68      .With metal deformation of different type
  69      .With modification or control of temperature of work, tool or
            machine, or with lubrication thereof
  70      .With cutting of work or product
  71      ..By composite cutting, deforming tool
  72      ..With actuation of cutter in timed relation to movement of
             deformer or work
  73      .With oscillation of work about work-axis
  74      .With oscillation of work-engaging tool surface about work
            surface
  75      .Spherical tool
  76      .Work-hammering tool
  77      .With tool surface orbiting around axis parallel to direction of
            travel of longitudinally moving work
  78      ..Including orbiting roller mounted on rotating carrier
  79      ..Including deflectors arranged to provide undulating path for
             work
  80      .During rotation of work
  81      ..With "pattern" causing movement of presser member
  82      ..Caused by work-holding, shape-imparting form (e.g., for
             "spinning")
  83      ...With means causing cooperating presser member to traverse
              form surface
  84      ..Using tool having rotating surface moving along it axis of
             rotation during deformation
  85      ...And means causing tool to traverse surface of cooperatingg
              rotatable member
  86      ..Using angularly related roller-couple acting parallel to axis
             of work rotation
  87      ...And additional work-engaging tool, circumferentially spaced
              about axis of work rotation
  88      ..Caused by tools (e.g., "platens") relatively moving parallel
             to their surface
  89      ...Including rotating tool (e.g., "disk-platen")
  90      ...Including stationary tool
  91      ..Caused by rotating tool and opposing concave surface
  92      ...Non-rotating concave surface
  93      ....With means to adjust concave surface
  94      ..And movement of work laterally of rotational axis during
             deformation
  95      ..And longitudinal movement of work
  96      ...Using external rotating tool and internal core
  97      ....Including work-piercing or work-expanding plug
  98      ...Using tool-surfaces spaced along axis of work rotation
  99      ...Using hyperboloidal roller
  100     ...Using tool-cluster
  101     ..Using rotating tool-couple relatively adjustable about pivot
             normal to tool axis
  102     ..Using non-cylindrical rotating tool
  103     ...Having helical groove
  104     ....With cooperating tool rotating in same direction
  105     ...And cooperating, complementary tool
  106     ....And circumferentially spaced, work-engaging elements
  107     ...Included in roller-cluster
  108     ...With cooperating tool rotating in same direction
  109     ...Including in tool-couple
  110     ..Using roller-cluster
  111     ..Using tool-couple
  112     .Tool orbiting or rotating about an axis
  113     ..Comprising transverse-axis roller inside hollow work
  114     ..Helically-grooved tool threadedly engaging work
  115     ..Comprising movable tool cooperating with fixed, work-spaced
             tool
  116     ...Plural, selectively usable fixed tools
  117     ...Outwardly acting movable tool
  118     ..Including tool surfaces spaced along orbital axis
  119     ...Including plural tools rotating on angularly related axes
  120     ..With actuation of tool radially
  121     ...Wherein tool is actuated inwardly
  122     ...Including rotating tool mounted on rotating carrier
  123     ....Including roller having noncylindrical work-engaging
               surface
  124     ..Comprising roller cooperating with work-spaced tool
  125     ..With work or tool locator or work-clamp
  126     ..Tool both orbits and rotates
  127     BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING
           BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING
           OR TROUGHING MATERIAL IN MOVEMENT)
  128     .With modification or control of temperature or work, tool or
            machine
  129     .With cutting of work or product
  130     ..And deforming of work or product (other than by deflecting)
  131     ..And stopping of work movement during cutting
  132     ..And actuation of cutter in timed relation to deflector or workk
             movement
  133     .With feeding of discrete articles or orienting of work relative
            to deflector (other than by deflector)
  134     .With use of means to remove product from deflector
  135     .To form helical coil or tube
  136     ..Including thinning of helical portion of work section
  137     ..With deforming of work or product (other than by coiler)
  138     ..By use of means acting by and during machine operation to form
             coil of irregular pitch and/or diameter
  139     ...Including non-cylindrical core
  140     ..By interchangeable or selectable tool portion
  141     ..By multi-convolutional tool
  142     ..By work-guide and rotatable, work-holding core
  143     ...And means to change pitch of coil
  144     ...And means to traverse work-guide
  145     ..By movable-periphery tool external of coil
  146     .To form spiral coil
  147     ..With interposes to space adjacent coil convolutions
  148     ..With core inside coil
  149     .By use of work-contacting wiper and moving, work-holding form
  150     ..With core inside hollow workpiece
  151     ..With tensioning or work
  152     ..With deforming or work or product (other than by wiper and
             former)
  153     ..And means to impart compound motion to form
  154     ..Including backed-up, travelling wiper (e.g., follow bar)
  155     ..And means to urge wiper toward form surface
  156     ..And interrelated means to move form and gripper element
             thereon
  157     ..Including interchangeable or adjustable wiper or form
  158     ...Comprising adjustable wiper
  159     ..And work-complementing gripper faces (e.g., contoured)
  160     .By use of deflected arranged to provide longitudinally
            undulating path for work (e.g., "leveling")
  161     ..With deforming of work or product (other than levelling)
  162     ..Including relatively-inclined successive rollers
  163     ..And back-up means for roller-deflector
  164     ..And adjustable carrier for deflector
  165     ...Including tier of roller-deflectors on carriers
  166     .By use of deflectors arranged to bend work longitudinally of
            direction of work-movement
  167     ..Including thinning of portion of work-section
  168     ..With deforming of work or product (other than bending
             longitudinally)
  169     ..With handling of curved product
  170     ..Including three concurrently-acting delta-arranged deflector
             elements
  171     ...And additional work-deflecting or work-constraining element
  172     ...Comprising two rollers and guide
  173     ...Including adjustable element
  174     ....And interrelated means to adjust plural elements
               simultaneously
  175     ....Comprising rectilinearly reciprocable carrier for element
  176     .By use of deflector arranged to bend work transversely of
            direction of work movement (e.g., troughing)
  177     ..With deforming of work or product (other than bending
             transversely)
  178     ..Including roller-clusterr
  179     ..Including complementary roller-couple
  180     ...Including plural, axially-spaced circumferential ribs and
              grooves
  181     ...Including plural, successively-acting roller-couples
  182     ..Including roller-couple
  183     .By tension applied to work or product (e.g., uncoiling)
  184     BY USE OF "FLYING TOOL" ENGAGING MOVING WORK
  185     .With cutting
  186     ..By composite cutting, deforming tool
  187     .Included in plural deforming stations or passes
  188     ..Passes spaced along axis of rotating tool
  189     .Including arcuately oscillating tool-face
  190     .Including orbitally-moving tool-face
  191     ..Moving in circular orbit
  192     ...With cooperating rectilinearly-moving tool (e.g., "anvil")
  193     ....Comprising tool inside hollow work
  194     ...Included in tool-cluster
  195     ...Circumferentially adjustable relative to work-spaced
              cooperating surface
  196     ...With cooperating complementary (e.g., conjugate) tool-face
  197     ...With cooperating roller
  198     ...With cooperating allochiral tool-face
  199     BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT
  200     .With modification or control of temperature of work, tool or
            machine
  201     ..Including cooling
  202     ..By means (other than a tool) modifying temperature of work
  203     .With cutting of work or product
  204     ..By composite cutting deforming tool
  205     .Including tautening of work during deformation (e.g., "tension
            bridle")
  206     .With non-roller Metal Deforming station
  207     .Including rectilinearly moving tool cooperating with single
            roller
  208     .With tool inside hollow work
  209     ..Comprising plug acting on longitudinally moving work
  210     .Mounted on travelling, work-supported carriage
  211     .Mounted on manually maneuverable carrier
  212     .With work-forcer offset from, and relatively movable between,
            spaced rollers
  213     ..With use of means to move work-forcer
  214     .Comprising tool movable relative to stationary work-portion
            during deformation
  215     ..Along a curved path
  216     ...About a fixed pivot
  217     ....Work between movable tool and pivot (e.g., sweep-arm
               bender)
  218     .....With means to apply torque to movable tool
  219     .....Including adjustable tool
  220     ..Along a straight path relative to stationary cooperating tool
  221     .Plural passes spaced along axis of one roller of tool-couple
  222     ..With use of means to displace work laterally into next pass
  223     ..Roller common to two tool-couples
  224     .Included in roller-cluster
  225     ..Comprising diverse roller-pairs
  226     .Plural roller-couples (e.g., successively or optionally
            usable)
  227     ..With material-handling between successive coupless
  228     ...Including optionally selectable work paths
  229     ...To reverse-roll the workpiece
  230     ...By curved guide (e.g., "loop return")
  231     ...Changing orientation or direction of work
  232     ..Including one roller common to two roller-couples (e.g.,
             three-high mill)
  233     ...Including roller shiftable between successive passes of work
  234     ..Including successively-acting roller-couples
  235     ...Comprising relatively-inclined successive couples
  236     .With cleaning or conditioning of tool, or lubrication of tool
            or machine
  237     .With carrier for roller-couple or tool-couple
  238     ..With replacement of tool
  239     ...By means to replace tool
  240     ..With variation of bite of roller-couple during deformation
  241.2   ..Including back-up for roller
  241.4   ...With means to relatively vary back-up force along roller
              axis
  241.6   ....Hydraulic or pneumatic force appliers spaced along
               roller axis
  241.8   ....Means to apply bending moment to roller or back-up
               roll
  242.2   ...Load bearing, equal size pair of back-up rolls
  242.4   ....And second stage, equal size pair of back-up rolls
  243.2   ...Including reaction roll
  243.4   ....Equal size pair of reaction rolls
  243.6   ...Irregular, convex or hollow back-up roll
  244     ..With interposer (e.g., wedge or gag) between tool and pressure
             applier
  245     ..Including fluent-driven tool support
  246     ..Including resiliently urged tool support
  247     ..Including means to position tool along axis
  248     ..With "screw-down" to adjust bite of tool-couple
  249     ..With means to drive tool
  250     .With handling of, or guiding of, work or product relative to
            tool
  251     ..By endless belt or conveyor roll
  252     ..By reciprocating or oscillating means
  252.5   .Roller or roller-like tool-element of particular
            configuration
  253.1   BY EXTRUDING THROUGH ORIFICE
  254     .With cutting
  255     ..Severing product from stock or residue
  256     .With metal-deforming other than by extrusion
  257     .With product handling
  258     .Expressing polymetallic-layered product
  259     .By plural impellers operating into one extrusion chamber
  260     .Expressing non-uniform cross-section or non-linear product
  261     .Expressing plural products
  262     .By rotating impeller means
  263     .Non-axial movement of die, ram, mandrel or container
  264     .Utilizing internal forming means (e.g., mandrel) or core tube
            (e.g., wire guide)
  265     ..Movable longitudinally in ram
  266     ..Integral with ram
  267     ...Single element ("impact extrusion" type)
  268     ..Core tube
  269     ..Bridge mandrell
  270     .Work supplying
  271     .Pressure or velocity conditioning
  272     .Container and/or support therefor
  273     .Ram or ram element
  273.5   .Indirect extrusion
  274     BY PULLING WORKPIECE THROUGH CLOSED PERIPHERY DIE (E.G., ROD-,
           TUBE-, OR WIRE-DRAWING)
  275     .With cutting
  276     .Producing a non-uniform product
  277     .With movement of discrete workpiece angularly, laterally, or in
            a reverse direction
  278     .Utilizing plural metal-deforming tools
  279     ..Varying speed of continuous workpiece through successive tool
             stations
  280     ..Accumulating work between successive tool stations
  281     ..Including non-coaxial closed dies
  282     ..All closed dies coaxially aligned
  283     ..Including a mandrel inserted within a hollow workpiece
  284     .And applying a "pushing" force
  285     .Movable die
  286     .With heating or cooling
  287     .Utilizing specified work moving means
  288     ..Varying speed of moving work
  289     ..Rotating a drum, roll, sheave, etc.
  290     ..Interrelated work gripper and carrier
  291     ..Maintaining a "straight-line-draw"
  292     BY TIGHTENING FLEXIBLE BAND OR CHAIN ABOUT WORK
  293     BY USE OF NON-DEFORMING WORK-GRIPPING CLAMP AND RELATIVELY
           MOVABLE CLAMP, TOOL OR WORK-FORCER
  294     .With cutting
  295     .By individually non-deforming clamps
  296     ..With coacting relatively movable tool
  297     ...With means to actuate tool
  298     ..With means to rotate clamp about fixed axis
  299     ...About axis intersecting work-gripping regions of two clamps
              (e.g., twisting)
  300     ..With interrelated clamp closer and clamp mover
  301     ..With bodily motion in fixed path
  302     ...Substantially direct approach or recession (e.g.,
              stretching)
  303     ....Along curved path (e.g., tire upsetting)
  304     .With work-distorting clamp
  305     .With plural spaced clamps
  306     .Plural or complex apparatus (e.g., with plural operations)
  307     ..With means to advance elongated work (e.g., pipe elbow
             crimper)
  308     .Clamp is active metal-deforming element
  309     ..With coacting movable tool
  310     ..Clamp rotatable about fixed axis (e.g., bending brake)
  311     .Movable clamp
  312     .With interrelated clamp closer and tool mover
  313     ..Jaw actuator driven by tool or tool holder
  314     ..Mechanical actuator
  315     ...Cam or toggle
  316     .Clamp structure constitutes sole initial metal-deforming
            force-reaction means (i.e., is passive tool)
  317     ..With plural selectively usable clamps (e.g., tube flarer)
  318     ..Deforming indeterminate-length workk
  319     ..With pivotal tool (e.g., sheet metal bender)
  320     ...With die surface extension on clamp
  321     ....Curved die surface
  322     ..With die surface extending from clamp jaw
  323     ...Plural die surface portions and coacting tools
  324     WITH CUTTING
  325     .By composite tool (e.g., piercing)
  326     ..Shear-type
  327     ...With endless cutting edges
  328     ....Utilizing stripper or ejector
  329     ....Blank detaching
  330     ...Blank detaching
  331     ...Severing (e.g., subdividing)
  332     .By shearing tool-couple
  333     ..With endless cutting edges (e.g., for punching a hole)
  334     ...After final metal-deforming operation
  335     ...Pre-cutting (i.e., before metal-deforming)
  336     ....Blank detaching
  337     ..Blank detaching
  338     .Severing a discrete piece from stock, work, or product
  339     ..Pre-cutting
  340     .Machining after final metal-deforming (e.g., grinding to size)
  341     .Machining between plural metal-deforming operations
  342.1   WITH TEMPERATURE MODIFICATION OF TOOL OR OF SPECIFIED
           PORTION OF WORK
  342.2   .Cooling
  342.3   ..Of tool
  342.4   ...And heating of tool
  342.5   ..And heating of work
  342.6   ...Distinct temperature modifications at distinct locations
              of workpiece
  342.7   .Of tool
  342.8   ..Preheating
  342.92  ..By electrical resistance heater within tool
  342.94  .Distinct temperature modifications at distinct locations
            of workpiece
  342.96  ..By passing electric current through work
  343     BY USE OF CLOSED-DIE AND COACTING WORK-FORCER (E.G.,
           PUSH-DRAWING)
  344     .With stripping or ejecting from tool
  345     ..Timed with tool motion
  346     ...With work feeding
  347     .Cup or shell drawing (i.e., deep drawing)
  348     ..With additional metal-deforming
  349     ...Plural deep drawing
  350     ..With application of frictional restraining force to work
             during deformation
  351     ...With yieldable actuation of work-gripper (e.g., spring-biased
              blank-holder)
  352     .Forcing work into or within closed die; e.g., forging
  353.2   ..By two or more coacting tools movable relative to closed
             die; e.g., tool complex
  353.4   ...Symmetrically expanding tools
  353.6   ....With tools converging to form annular surface; e.g.,
               segments of closed die
  354.2   ...With tools converging to form annular surface; e.g.,
              segments of closed die
  354.6   ...One tool telescoping into closed diee
  354.8   ....One yieldably connected to another
  355.2   ....Coaxial opposed tools
  355.4   .....Passing through work; e.g., punch
  355.6   .....Both tools telescoping into closed die
  356     ..With additional metal-deforming
  357     ..With actuation of split die
  358     ..Tool portion enters cavity of closed die
  359     ...With telescoping engagement
  360     ..Coacting closed-dies
  361     ..With holding, handling or guiding of work or product
  362     PROCESS
  363     .Deforming stacked blanks
  364     .With temperature maintenance or modification
  365.2   ."Rolling"
  366.2   ..Between disclosed rollers
  367     .Tube making and/or reshaping
  368     ..Making
  369     ..Bending
  370     ..Comprising use of internal tool
  371     .Coiling and/or twisting
  372     .Involving use of claimed apparatus
  373     ..Reciprocating tool
  374     ...Opposed tool faces
  375     ....Complementary
  376     ....Single tool pair
  379.2   .Deforming sheet metal
  379.4   ..Container making
  379.6   ..Forming undulations
  377     .With attenuation, thickening, elongating or shortening of work
            material
  378     ..By application of tensile forces
  380     BY RELATIVELY MOVABLE OFFSET TOOL-FACES (E.G., FOR BENDING OR
           DRAWING)
  381     .Embodying three or more coacting relatively movable tools
            (i.e., tool complex)
  382     ..Comprising yieldable tool or face portion
  383     ..With concurrent actuation of tools
  384     .Plural
  385     .Multi-point tool-couple (e.g., corrugator)
  386     .With tool motion in fixed path
  387     ..Pivotal motion only
  388     ...Cantilever bender
  389     ..Between and coplanar with opposed tools
  390     ...Screw-actuated
  391.2   ..Concentric or telescoped tools
  391.4   ...Tool inside hollow fastener
  391.6   ....With fastener loader or supply
  391.8   ....Helically ribbed tool
  392     BY RELATIVELY RECEDING WORK-ENGAGING TOOL-FACES (E.G., FOR
           STRETCHING)
  393     .Embodying three or more tools (e.g., tube expander)
  394     BY THREE OR MORE COACTING RELATIVELY MOVABLE TOOLS (I.E.,
           TOOL-COMPLEX)
  395     .With paired coplanar tool-faces (e.g., for stretching flat
            work)
  396     .Yieldable face portion or auxiliary tool on tool-couple
            element
  397     ..On actuated tooll
  398     ..Movable toward and against portion of work (e.g., floating
             mandrel)
  399     .Concurrently actuated tools
  400     ..With coacting fixed tool
  401     ...Between generally opposed-stroke tools
  402     ..All tools movable radially inward
  403     .With means to actuate tools in sequence
  404     BY PLURAL TOOL-COUPLES
  405     .With means to feed work between plural tool stations
  406     WITH MEANS TO EFFECT COMPOUND MOTION OF TOOL (E.G., ROCKING)
  407     WITH MEANS TO ACTUATE BOTH ELEMENTS OF TOOL-COUPLE
  408     .By continuously rotating shaft
  409     .Handle-actuated tools (e.g., plier type)
  410     ..Clip-clencher or sleeve-crusher
  411     BY RELATIVELY MOVABLE TOOLS HAVING SLIDABLY-ENGAGED
           WORK-CONFINING WALL MEANS (E.G., EDGEWISE SHEET-METAL BENDER)
  412     BY TOOL-COUPLE EMBODYING NONPLANAR TOOL-FACE
  413     .With adjustable or replaceable section of tool-face
  414     With complementary tool-faces (e.g., for embossing)
  415     .Constant profile (e.g., cylindrical segments)
  416     .Similar tool-faces
  417     INCLUDING INTERRELATED TOOL-MOVER AND BLANKHOLDER-MOVER
  418     INCLUDING TOOL MEANS TO MOVE WORK TO OR AGAINST COOPERATING
           TOOL
  419     WITH MEANS TO HANDLE WORK OR PRODUCT
  420     .Including means to permit maneuvering of work or product at
            tool zone
  421     ..With means to interrelate movement of tool and of work
  422     .By gripper and/or endless chain
  423     ..With drum carrier for gripper
  424     .With means to store workpieces (e.g., magazine)
  425     .Including variable-speed means
  426     .Including product handling means
  427     ..Ejector
  428     .Including work guide
  429     WITH MEANS TO DRIVE TOOL
  430     .Including magnet, solenoid or explosive
  431     .Including yieldable connection in drive train to movable tool
  432     ..Including pneumatic or hydraulic connection
  433     ..Including metallic spring connection
  434     ...Coil spring
  435     .Mechanical potential-energy drive means only
  436     ..With means to check energy for subsequent release
  437     ..Wherein energy is stored by retraction of tool
  438     ...With means to control force of blow
  439     ...Wherein tool is retracted by pinch rolls acting on
              rectilinearly moving tool-support
  440     ...Wherein tool is retracted by flexible strap
  441     .With means to selectably control movement of tool
  442     ..By drive means common to optionally selectable tools
  443     ..To control speed of tool
  444     ..By means to connect and/or disconnect tool from its drive
  445     .With stored-energy means to retract tool
  446     .With means to permit tool positioning
  447     ..To reposition line-of-action of tool
  448     ..To position stationary tool of tool-pair
  449     .Including gear-actuated tool support
  450     .Including link-actuated tool supportt
  451     ..Toggle links
  452     .Including cam-actuated tool support
  453.01  .Including pneumatic- or fluid-actuated tool support
  453.02  ..Multiple or staged drive means
  453.03  ...With mechanical drive means
  453.04  ....Fluid high pressure/mechanical low pressure
  453.05  ...Displacement additive
  453.06  ...Pressure additive
  453.07  ....Axially aligned pistons
  453.08  ....Independently actuated means
  453.09  ....Pull-down press
  453.1   ..Utilizing stored energy
  453.11  ...Stored kinetic energy
  453.12  ..Pull-down press
  453.13  ..Including fluid cushion for die opposite to ram
  453.14  ..With ram or tool support aligning means
  453.15  ..Randomly manipulated or work-supported tool
  453.16  ...With handle for manual manipulation
  453.17  ....Riveting tool
  453.18  ..Having hydraulic or pneumatic return
  453.19  ...Riveting tool
  454     .Including screw-actuated tool support
  455     WITH TOOL CARRIER (E.G., PRESS FRAME)
  456     .With guide for rectilinearly moving tool
  457     BY OR WITH WORK-CONSTRAINER AND/OR MANIPULATED WORK-FORCER
  458     .Comprising lever manipulated to force work
  459     ..With work-complementing tool-face adjacent to work-gripping
             clamp
  460     .Comprising nondeforming work-gripping clamp having adjacent
            tool-face
  461     .Comprising work-stopping abutment
  462     TOOL AND/OR TOOL HOLDER
  463     .With nondeforming passageway
  464     .Including deforming tool and cutting tool
  465     .Including flexible or yieldable tool or support
  466     ..Flexible or articulated back-up
  467     .Tool comprising closed periphery deforming passageway
  468     ..Including adjustable size or multiple passageway
  469     .Tool-comprising die plate having ribs and/or grooves
  470     .Including tool couple or die couple (e.g., opposed die faces)
  471     ..With intermediate tool
  472     ..Including plural tool couples
  473     ..Having adjustable face
  474     ..Having nonsymmetrical faces
  475     ...Complementary faces
  476     .Having unitary tool-face
  477     ..Including optionally selectable faces
  478     ..Comprising plural sections fixed together in use (e.g.,
             adjustable or collapsible)
  479     ..With elongated extension fixed to tool face in use (e.g.,
             handle or shank)
  480     ...Adjustable relative to tool-face before use
  481     ..With support or holder for adjustable or removable tool-face
  482     ...Adjustable or collapsible relative to its support
  483     MISCELLANEOUS
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       *******************************
  700     DEFORMING SPECIFIED ALLOYS OR UNCOMMON METAL OR BIMETALLIC WORK
  701     PREVENTING DISTORTION
  702     OVERBENDING TO COMPENSATE FOR SPRINGBACK
  703     KNURLING
  704     CAMBER-ADJUSTING TOOL
  705     VEHICLE BODY OR FRAME STRAIGHTENER
  706     EXPLOSIVE
  707     MAGNETISM
  708     REVERSE DRAWING
  709     SUPERPLASTIC MATERIAL
  710     VIBRATING
  711     HYDROSTATIC EXTRUSION