| | CLASS NOTES |
| 1 | DF | SELECTIVELY ENGAGEABLE HUB TO SHAFT CONNECTION |
| 2 | DF | INCLUDING FRANGIBLE COMPONENT |
| 3 | DF | SELECTIVELY ASSEMBLED, E.G., CONVERTIBLE, ETC. {1} |
| 5 | DF | INFLATABLE CONNECTOR |
| 6 | DF | WITH OPENING FOR ACCESS TO CONNECTOR OR OPERATOR {2} |
| 10 | DF | CLOSURE OR PLUG SPACED FROM JOINT |
| 11 | DF | WITH ADJUNCTIVE PROTECTOR, BROKEN PARTS RETAINER, REPAIR, ASSEMBLY OR DISASSEMBLY FEATURE {8} |
| 23 | DF | WITH ADJUNCTIVE SHIELD |
| 24 | DF | STRUCTURALLY INSTALLED IN DIVERSE ART DEVICE {1} |
| 26 | DF | COUPLING SUPPORTED BY INDEPENDENT BEARING |
| 27 | DF | WITH INDICATOR OR INSPECTION MEANS |
| 28 | DF | UTILIZING THERMAL CHARACTERISTIC, E.G., EXPANSION OR CONTRACTION, ETC. {2} |
| 31 | DF | WITH FLUID PRESSURE RESPONSIVE COMPONENT |
| 32 | DF | WITH AMBIENT CONDITION RESPONSIVE CONTROL MEANS |
| 33 | DF | WITH INDEPENDENT HANDLE OR OPERATOR |
| 34 | DF | WITH DISTINCT FLUID OR ARTICLE HANDLING OR DIRECTING FEATURE {3} |
| 40 | DF | NON-ADHERING FLUENT MATERIAL AT JOINT |
| 41 | DF | WITH STRAIN-LIMITING MEANS |
| 42 | DF | COMBINED |
| 43 | DF | ROTARILY CONNECTED, DIFFERENTIALLY TRANSLATABLE MEMBERS, E.G., TURN-BUCKLE, ETC. {5} |
| 49 | DF | LATERALLY RELATED MEMBERS CONNECTED BY LATCH MEANS, E.G., SCAFFOLD CONNECTORS |
| 50 | DF | FLEXIBLE DIAPHRAGM OR BELLOWS {1} |
| 52 | DF | ARTICULATED MEMBERS {13} |
| 167 | DF | TRANSVERSE ROD TO SPACED PLATE SURFACES {1} |
| 169 | DF | BRANCHED {4} |
| 179 | DF | DIVERSE MATERIAL COUPLING MEMBER |
| 180 | DF | THREE OR MORE SERIAL JOINTS, AT LEAST ONE DIVERSE {2} |
| 185 | DF | JOINT INVOLVING PLURAL LAYERS OF SINGLE ROD |
| 186 | DF | LATERALLY RELATED RODS INDEPENDENTLY JOINED TO TRANSVERSE SURFACE |
| 187 | DF | ROD TO MEMBER TO SIDE, E.G., PLATE, ROD SIDE, ETC. {5} |
| 202 | DF | RADIALLY SPACED MEMBERS JOINED BY INDEPENDENT COUPLING {1} |
| 204 | DF | COACTING CONNECTION BETWEEN INNER MEMBER AND PLURAL PARTS OF OUTER MEMBER |
| 205 | DF | RIGID ANGLE COUPLING, E.G., ELBOW OR U, ETC. |
| 206 | DF | AXIALLY CURVED OR BENT PORTION OF ROD IS JOINT COMPONENT {6} |
| 217 | DF | THREE OR MORE MEMBERS CONNECTED AT SINGLE LOCUS {2} |
| 220 | DF | FLEXIBLY CONNECTED RIGID MEMBERS {5} |
| 230 | DF | ROD END TO TRANSVERSE SIDE OF MEMBER {15} |
| 265 | DF | MOLDED JOINT {5} |
| 273 | DF | SHRUNK FIT |
| 274 | DF | MEMBER DEFORMED IN SITU {11} |
| 286 | DF | BRIDGED BY DIVERSE CONNECTOR |
| 287 | DF | INCLUDING SPACED, DIVERSE CONNECTIONS |
| 288 | DF | INCLUDING DISTINCT PACKING |
| 289 | DF | SPLIT END WITH LATERALLY MOVABLE OPPOSED PORTIONS {1} |
| 291 | DF | FLEXIBLE MEMBER IS JOINT COMPONENT |
| 292 | DF | MEMBER ENDS JOINED BY INSERTED SECTION {6} |
| 299 | DF | THREAD ADAPTOR |
| 300 | DF | DISTINCT END COUPLER {8} |
| 315 | DF | INCLUDING ANCILLARY MEANS BLOCKING DISCONNECTION OF JOINT {3} |
| 321 | DF | MANUALLY RELEASEABLE LATCH TYPE {4} |
| 326 | DF | BIASED CATCH OR LATCH {3} |
| 331 | DF | SIDE SLIDE: ELONGATED CO-LINEAR MEMBERS |
| 332 | DF | ANNULAR RECESS IS JOINT COMPONENT |
| 333 | DF | CONVERGENT INTERFACE {1} |
| 335 | DF | INTERCONNECTED FLANGES OR SHOULDERS {3} |
| 339 | DF | SCARF {1} |
| 341 | DF | INTERFITTED MEMBERS WITH EXTERNAL BRIDGING PIECE |
| 342 | DF | THIMBLE: SCREW OR CAM |
| 343 | DF | SCREW OR CAM |
| 344 | DF | AXIALLY SPLIT OR SEPARABLE MEMBER |
| 345 | DF | INTERFITTED MEMBERS {19} |
| 384 | DF | ROD SIDE TO PLATE OR SIDE {13} |
| 401 | DF | MITER JOINT {1} |
| 403 | DF | RIGID ANGLE |
| 404 | DF | PARTICULAR CONFIGURATION OR MATERIAL OF MEMBER |
| 408.1 | DF | HAVING A JOINING PIECE EXTENDING THROUGH ALIGNED OPENINGS IN PLURAL MEMBERS |
| 409.1 | DF | HAVING A CAM, WEDGE, OR TAPERED PORTION |
| 410 | DF | MISCELLANEOUS |
| | ********************************* |
| | FOREIGN ART COLLECTIONS |
| | ********************************* |
| * | DF | ARTICULATED MEMBERS |
| * | DF | Lockable at fixed position {2} |
| * | DF | INTERFITTED MEMBERS {1} |
| | ****************************** |
| | DIGESTS |
| | ****************************** |
| DIG 1 | DF | Magnetic |
| DIG 2 | DF | Metal treatment |
| DIG 3 | DF | Load-responsive release |
| DIG 4 | DF | Quick release |
| DIG 5 | DF | Carbon electrode |
| DIG 6 | DF | Reciprocable ball detent |
| DIG 7 | DF | Split ring stop or abutment |
| DIG 8 | DF | Radially acting cam or eccentric |
| DIG 9 | DF | Adjustable clamp |
| DIG 10 | DF | Readily disengageable panel joints |
| DIG 11 | DF | Furniture type having a snap fit |
| DIG 12 | DF | Furniture type having a rotatable fastener or fastening element that tightens connection |
| DIG 13 | DF | Furniture type |
| DIG 14 | DF | Resilient cinch, locking-catch or retainer type |
| DIG 15 | DF | Splice plates for co-linear members |
