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Class Number: 182 Class Title: FIRE ESCAPE, LADDER, OR SCAFFOLD Subclass Subclass Number Title 1 MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER 2 MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT 3 TORSO HARNESS 4 .Window washer type 231 .Attached to strand wound on reel, and means for retarding unwinding of strand 232 ..Including spring for rewinding strand 233 ..Fluid resistance brake 234 ..Movable, friction brake element applied by centrifugal force 235 ..Friction brake and occupant-operated mechanism for applying brake during descent 5 .Strand-engaging, with descent retarder 6 ..Leg or loop type 7 ..With seat 8 .Ladder-associated 9 .With pole encircling or grasping means 10 INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG 11 .Occupant-controlled 12 HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE 13 .Occupant actuation or control 14 ..Occupant-controlled ascent or descent 15 ..Holding means 16 .With handle or steering means 17 .Holding means 18 WITH INDICATOR, SIGNAL OR ALARM 19 AUTOMATIC CONTROL 20 CONVERTIBLE 21 .Ladder 22 ..Ladder of different type 23 ...Stepladder prop pivoted to inverted position 24 ....Stile and prop end abutting 25 ....With spreader or tie 26 ...Stepladder type with variable prop and ladder connection 27 ..Scaffold 28 ..Table 29 ...Ironing board 30 ....Board as pivoted ladder prop 31 .....Crossed leg board support 32 ...Wash stand 33 ..Chair or stool 33.2 ...Bottom and legs invert to unveil ladder 33.3 ...Steps on chair back 33.4 ....Fixed steps 33.5 ...Step withdraws from beneath seat 33.6 ....End-for-end turnout 34 ..Bed 35 .Furniture 36 TRAVERSING, TRACK-MOUNTED 37 .With occupant elevating or lowering means 38 .With vertically spaced second track 39 .Ground- or floor-engaging 40 UPWARDLY EXTENSIBLE FLEXIBLE LADDER OR ESCAPEE 41 .Self-rigidifying 42 ENDLESS CONVEYER ESCAPE 43 .Top and bottom support 44 ..With pivoted or folding attached carrier 45 PITCHED ROOF CONFORMING SCAFFOLD 46 WITH INSULATION 47 .Fire or heat shield 48 CHUTE OR ESCAPE TOWER FOR PERSONNEL 49 .With ladder 50 WITH PROJECTOR OR PROJECTILE 51 WITH FLUID HANDLING 52 .Conduit is support 53 DETACHABLE WINDOW SEAT TYPE 54 .With step or additional platform 55 .Platform below window 56 .Extensible platform 57 .Interior wall-engaging means 58 ..Depending 59 ...Saddle 60 ....Wall-clamping means 61 ....Exterior strut 62 ..With outside strut or brace 62.5 WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS 63 WITH TRANSPOSITIONING AND ERECTION MEANS 64 .Ladder rotatably mounted on supporting base (e.g., vehicle) 65 ..Base rotates on vertical axis 66 ...Reciprocating ladder section 67 ....Extending section stiles supported on fixed section stiles 68 ..Pivotally mounted extension ladder on horizontal axis 69 ...Lazy tong-extending means 70 WITH STORAGE DEVICE FOR SUPPLE ESCAPE 73 .Reel 74 ..Escape of ladder type lowers upon release of latch 75 ...With retarder or brake on reel 236 ..With means for retarding unwinding of strand type escape 237 ...Including spring for rewinding strand 238 ...Fluid resistance brake 239 ...Movable, friction brake element applied by centrifugal force 240 ...Friction brake and occupant-operated mechanism for applying brake during descent 71 .Occupant weight-actuated descent device 72 .Occupant-controlled descent retarder 76 .Wall-embedded 77 DOOR AND LADDER 78 .Door operates ladder 79 ..Guided rigid ladder 80 ...Guide on wall or frame 81 ..Door and ladder on opposite sides of wall 82 WALL- OR FLOOR-ATTACHED 83 .Wall-mounted platform, with ladder 84 ..Movable platform with movable ladder 85 ..Movable ladder 86 ...Pivoted 87 .Embedded scaffold support member 88 .Retractable or collapsible beneath floor, track-mounted 89 .Spring-biased pivoted step or ladder 90 .Independent rung or step 91 ..Pivotedd 92 ..Readily detachable 93 .Ladder 94 ..Wall penetrating operating means 95 ..Folding, rigid components 96 ...Parallelogram type 97 ..Pivoted 98 ...Normally counterbalanced to inoperative position 99 ..With portion overhanging roof 100 .Single pole or strand 101 LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE 102 .Ladder supports platform 103 ..Stile or prop-guided carriage 104 PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING 105 .Central upright ladder section supported therebetween 106 WITH HANDRAIL OR GUARD FOR LADDER 107 SAFETY DEVICE FOR GROUND-SUPPORTED LADDER 108 .Terminal foot or shoe 109 ..Diverse ground-engaging means 110 ..Suction cup 111 ..Pivotal component 112 SAFETY DEVICE, PLATFORM ASSOCIATED 113 .Railing 114 WITH SUCKER ROD SUPPORT 115 LADDER AND PLATFORM 116 .Platform with ladder as support 117 ..Between spaced ladders 118 ...Facing ladders 119 ....Readily detachable platform 120 ..Detachable step, single ladder 121 ...Plural rung-engaging 122 ....Stile-contacting 123 ..Plural platforms 124 ..Ladder with pivoted ladder prop and pivoted platform 125 ..Platform positioned by ladder and prop divergence 126 ..Prop-pivoted platform 127 LADDER WITH LAND VEHICLE 128 SCAFFOLD SUPPORTED INTERNALLY ON SHAFT 129 COMBINED 130 PLURAL PLATFORMS, COMMON SUPPORT 131 .Mounted for relative motion 132 .Stepped 133 POLE OR STRAND GRASPING-TYPE CLIMBER 134 .Foot- or leg-attachable 135 ..With diverse holding means for occupant 136 .Alternate grasping 137 BODY CATCHER 138 .Sheet or net type 139 ..Tensioned peripherally 140 ..Folding base 141 PLATFORM WITH ELEVATING OR LOWERING MEANS 142 .Suspended 143 ..Simultaneously operable suspension means 144 ...Platform continuously level 145 ..Separate (i.e., nonwork) support for suspension means 146 ...Platform holding detent coacts with support 147 ..Plural distinct elevating means 148 .Operating means on platform 149 .Trestle-type support, beam-elevatingg 150 SUSPENDED PLATFORM 151 KIT OR SEPARABLE PARTS 152 UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER 153 .Trestle 154 ..Crossed leg 155 ..Legs foldable parallel to beam axis in all planes 156 .Collapsible ladder 157 ..Lazy tong type 158 ...Mechanical or power-extending means 159 ..Parallel moving side, pivoted rung or step 160 ...Storage providing component 161 ...Plural element stile 162 ...With collapsible prop 163 ..Folding stile 164 ...Rung-to-rung stile sections 165 LADDER WITH PIVOTED PROP 166 .Section extensible below prop pivot 167 ..With step registration 168 .Coplanar extension with prop pivoted to lower section 169 .Single rear prop, pole type 170 .Rear prop, laterally moving 171 .Converging and contacting stiles or props 172 .Lateral prop 173 .Hinged to top-step rear flange 174 .Pivoted to top-step cleat 175 ..With cleat spaced spreader or tie 176 ...Multiple link folding spreader 177 .Overlapping stile and prop 178 WITH STACKING MEANS 179 SELF-SUSTAINING 180 .Ladder 181 .Scaffold horse (i.e., trestle) 182 ..Intermediate extensible shaft 183 ..Longitudinally extensible beam 184 ..Extensible leg 185 ..Unitary leg and beam coupler brace 186 ..Beam clamped by leg actuation 187 SCAFFOLD EXTERNAL OF SHAFT 188 .Horizontally adjustable 189 SINGLE STILE, STRAND OR POLE 190 .Flexible 191 ..With sliding carrier 192 ...Load-responsive brake 193 ...Occupant-actuated brake 194 LADDER 195 .Slidable nested single rung units 196 .Flexible 197 ..With spacer 198 ...Rung-attached 199 ..Plural spaced strand stile member 200 .Supporting surface compensating means 201 ..Stile extension 202 ...Equalizing extensions 203 ...Rung-engaging means 204 ...Increment adjustment 205 ....Ratchet type 206 .With hook or grab 207 .Extensionn 208 ..Mechanical or power-extending 209 ..With latch 210 ...Section movement actuated 211 ....Spring-biased latch 212 ...With remote control of latch 213 ....Elevating cable actuated 214 .With spacer means 215 .Rung sandwiched between elements of composite stile 216 .Tie rod assembled 217 .With reinforcing means 218 ..Bow string type 219 ..For side rail 220 .Independent support for rung 221 LEG OR SHOE ATTACHABLE POLE CLIMBER 222 PLATFORM 223 .Relatively movable sections 224 SCAFFOLD HORSE BEAM OR LEG 225 .Relatively movable 226 ..Beam clamped by pivoting leg 227 ..With intermediate staff 228 RUNG, STEP OR RUNG-STILE CONNECTION 229 PUTLOG OR SPACER 241 MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND 230 MISCELLANEOUS