| | CLASS NOTES |
| 1 | DF | THERMAL RELEASER OR ACTUATOR {5} |
| 9 | DF | IMPACT ABSORBING FLEXIBLE BARRICADE |
| 10 | DF | FLOOD ACTUATED {2} |
| 13 | DF | CLOSURE CONDITION SIGNAL OR INDICATOR {1} |
| 15 | DF | JAIL-TYPE CLOSURE WITH REMOTE CONTROL STATION {5} |
| 21 | DF | RESPONSIVE TO OR DIRECTLY ACTUATED BY AMBIENT FLUID {2} |
| 24 | DF | WITH MASTER CONTROL FOR INDIVIDUALLY CONTROLLED CLOSURES |
| 25 | DF | RADIANT ENERGY CONTROL |
| 26 | DF | SAFETY MEANS RESPONSIVE TO OBSTRUCTION TO CLOSURE {2} |
| 29 | DF | TIME CONTROLLED {1} |
| 31 | DF | CONDITION RESPONSIVE CONTROL |
| 32 | DF | INITIAL MANUAL DISPLACEMENT ENERGIZES MOTOR DRIVE; E.G., TOUCH PLATE INITIATOR |
| 33 | DF | CLOSURE SHIFTABLE TO PIT OR OBSTACLE BRIDGING POSITION |
| 34 | DF | DISTORTABLE; E.G., FLEXIBLE STRAND-TYPE BARRICADE |
| 35 | DF | CHECK OR KEY CONTROLLED |
| 36 | DF | CONTINUOUS CLOSURE OPENING IN INTERSECTING BARRIERS |
| 37 | DF | CONVERTIBLE |
| 38 | DF | REGISTERABLE OPENING IN FACIALLY OPPOSED CLOSURE AND BARRIER {1} |
| 40 | DF | CONVEX OR CONCAVE CLOSURE AND OPENING |
| 41 | DF | ARCUATE CLOSURE ROTATES ACROSS ARCUATE OPENING |
| 42 | DF | PLURAL WINGS RADIATE FROM COMMON PIVOT; I.E., REVOLVING {3} |
| 48 | DF | WITH SECTION FOR HAND SIGNALLING |
| 49 | DF | WITH TRAFFIC DIRECTOR OR CONTROLLER; E.G., ONE-WAY |
| 50 | DF | WITH PROTECTIVE GRILLE OR SAFETY GUARD {6} |
| 58 | DF | WITH ANIMAL BLOCKER REPELLER OR CHASER {2} |
| 61 | DF | FACIALLY OPPOSED PRIMARY AND AUXILIARY CLOSURE FOR COMMON OPENING {2} |
| 68 | DF | SEQUENTIAL CLOSURES FOR PASSAGEWAY |
| 69 | DF | MAIN CLOSURE ACTUATES SUPPLEMENTAL CLOSURE FOR TRACKWAY |
| 70 | DF | COMBINED |
| 71 | DF | WITH SIDE PANELS; E.G., AWNING |
| 72 | DF | WINDOW POSITION OR MOVEMENT INTERRELATED WITH DOOR LATCH |
| 73.1 | DF | CLOSURES INTERCONNECTED FOR CONCURRENT MOVEMENT {9} |
| 124 | DF | EXTENSIBLE BAR SECTIONS |
| 125 | DF | MOUNTED FOR MOVEMENT TO FACIALLY STACKED POSITION {2} |
| 128 | DF | COLLINEAR CLOSURES, ONE MOVES TO OFFSET POSITION {2} |
| 131 | DF | CLOSURE SURFACE MOVED TO INOPERATIVE POSITION FLUSH-WITH-GROUND {1} |
| 135 | DF | WITH WIND VANE OR SAIL |
| 136 | DF | SINGLE ACTUATOR SELECTIVELY MOVES INDIVIDUAL CLOSURES |
| 137 | DF | UNITARY OR INTERRELATED FLUID OPERATOR AND CLOSURE CHECK |
| 138 | DF | WITH MEANS TO VARY OPENING SPAN OR SPEED DURING MOVEMENT |
| 139 | DF | OPTIONALLY MOVED, MANUALLY, OR BY MOTOR {1} |
| 141 | DF | WITH SPECIFIED MEANS TO EFFECT EMERGENCY RELEASE TO CLOSURE |
| 142 | DF | PLURAL CLOSURES, EACH WITH INDEPENDENT DIVERSE MOVEMENT {1} |
| 146 | DF | VERTICALLY RECIPROCABLE, ADDITIONAL SIDEWARD VENTING MOVEMENT FROM CLOSED POSITION |
| 147 | DF | CLOSURE HANGS ON FLACCID CONNECTOR |
| 148 | DF | DISPARATE SUPPORT FOR DISPLACED CLOSURE |
| 149 | DF | MOUNTED FOR OPTIONAL MOVEMENTS {12} |
| 197 | DF | UP-AND-OVER TYPE; E.G., MOVES FROM VERTICAL TO WITHDRAWN HORIZONTAL OVERHEAD POSITION {4} |
| 207 | DF | SUPERIMPOSED CLOSURES, INDEPENDENT EDGEWISE MOVEMENT TO SIDE OF OPENING |
| 208 | DF | MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7} |
| 262 | DF | VEHICLE ACTUATED ROLLER OR CARRIAGE OR CARRIED COOPERANT |
| 263 | DF | TREADLE OR IMPACT INITIATED OPERATOR {8} |
| 275 | DF | CLOSURE MOVED BY STEP-BY-STEP OPERATOR |
| 276 | DF | STARTER-TYPE OPERATOR; E.G., SEAL BREAKER {2} |
| 279 | DF | OPERATOR INTERRELATED WITH CLOSURE LATCH RELEASE {6} |
| 303 | DF | CLOSURE MOVEMENT ACTUATED RETRACTABLE SEALING, GUIDING OR LOCKING STRIP {4} |
| 316 | DF | OPERATOR FOR RETRACTABLE SEALING, GUIDING OR LOCKING STRIP {4} |
| 322 | DF | WITH SAFETY BRAKE OR CATCH |
| 323 | DF | CLOSURE GUIDED FROM HOUSING BY RETRACTABLE SUPPORT |
| 324 | DF | WITH OPERATOR FOR MOVABLY MOUNTED CLOSURE {12} |
| 364 | DF | BUMP ACTUATED LATCH RELEASE FOR BIASED CLOSURE |
| 365 | DF | CLOSURE MOUNT OR STOP ON INDEPENDENT MOVABLE OR REMOVABLE CENTER POST |
| 366 | DF | BIPARTITE, CENTER OPENING {2} |
| 371 | DF | SWINGING CLOSURES CLOSING SINGLE OPENING |
| 372 | DF | STORED IN HOUSING {2} |
| 379 | DF | LATCH RELEASE OF MOVEMENT-STORED ENERGY |
| 380 | DF | MOVABLE CLOSURE AND ITS SUPPORT TRANSFERABLE AS UNIT |
| 381 | DF | WITH MEANS MOUNTING CLOSURE FOR SWINGING {13} |
| 404 | DF | WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16} |
| 460 | DF | HANDLE OR PROTECTOR {2} |
| 463 | DF | REMOVABLE CLOSURE {3} |
| 467 | DF | THRESHOLD {3} |
| 472 | DF | COMBINED SEAL, STOP AND STIFFENER; I.E., CLEAT {2} |
| 475.1 | DF | CLOSURE SEAL; E.G., STRIKER GASKET OR WEATHERSTRIP {17} |
| 501 | DF | PANEL WITH CLOSURE FEATURE {2} |
| 504 | DF | FRAME WITH CLOSURE FEATURE {1} |
| 506 | DF | PROCESSES |
| 507 | DF | MISCELLANEOUS |
| | ****************************** |
| | DIGESTS |
| | ****************************** |
| DIG 1 | DF | Thermal breaks for frames |
| DIG 2 | DF | Plastic frame components |
