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Class Number: 335 Class Title: ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNET, AND ELECTROMAGNETS Subclass Subclass Number Title 1 COMBINED DIVERSE SWITCHES (E.G., MANUAL-ACTUATED AND ART TYPE) 2 ELECTROMAGNETICALLY ACTUATED SWITCHES 3 .Utilizing magnetostrictive elements 4 .Radio frequency switch (e.g., T/R switch) 5 ..With coaxial components 6 .Automatic circuit-interrupting devices (e.g., circuit-protective devices) 7 ..Responsive to plural diverse circuit conditions (e.g., voltage and current) 8 ..Multipole or polyphase 9 ...With individual latch or trip means in each leg 10 ...With common latch or trip means 11 ..Plural switches 12 ..With shunting contacts 13 ..With auxiliary switch means (e.g., for energizing coil) 14 ..With direct connected contact separating means 15 ..With contact biasing, holding or pressure control means 16 ...Magnetic or electrodynamic (e.g., blowon or blowoff) 17 ..With switch condition signalling, indicating or alarm means 18 ..Responsive to predetermined or abnormal current condition (e.g., direction, phase angle or amplitude) 19 ...Zero current 20 ..Voltage responsive (under, over or no voltage) 21 ..With latch or trip means 22 ...Plural latch or combined latch operating means for single latch 23 ....With diverse-type actuating means (e.g., magnetic and thermal) 24 ...Trip-free (i.e., cannot be manually reclosed while overload exists) 25 ....With disabling means (for contact-actuator) 26 ...Reclosing or resetting 27 ....Automatic combined with manual 28 ....Automatic combined with timing or delay means 29 .....Fluid-controlled 30 .....Mechanical motor-controlled (e.g., clock movement) 31 .....Thermally actuated 32 .....With counting or integrating means (e.g., repetitive for given number of reclosures) 33 ......With means providing for operation after variable intervals or fixed intervals of different duration (e.g., first reset occurs) instantaneously, with other at longer intervals) 34 ......With lockout 35 ...Plural trips or combined operating means for single trip (e.g., magnetic with thermal) 36 ....With common structural elements 37 ....With thermal element comprising magnetic flux source 38 ...Magnetic 39 ....With time delay (e.g., thermal) 40 .....Responsive to or proportional to degree of overloadd condition 41 ....With magnetic flux winding directly in series with main contacts 42 ....With adjusting or calibrating means 43 ...Thermal 44 ....Including ambient temperature compensating means 45 ....With regulating, adjusting or calibrating means 46 ..With contact rebound or other undesirable motion prevention means 47 .Utilizing conductive liquid (e.g., mercury) 48 ..Comprising three or more electrodes or circuit-completion means 49 ..With liquid-displacement means 50 ...Comprising plural interconnected liquid containers 51 ...Magnetic 52 ....Piston or plunger 53 .....Combined with timing or delay means 54 ...Tiltable or rotating liquid chamber 55 ..Armature structure 56 ...Comprising freely movable floating slug or mass 57 ..Contact or electrode structure 58 ...Mercury or mercury wetted 59 .Retarded or delayed type 60 ..Plural sets of contacts alternately, consecutively or selectively opened or closed 61 ..With pneumatic delay means (e.g., dashpot, etc.) 62 ..With hydraulic delay means 63 ..With magnetic or electromagnetically actuated delay means 64 ..With mechanical delay means 65 ...Motor or motor-controlled (e.g., clockwork) 66 ..Electrothermal delay means 67 ..Adjustable or regulatable 68 .With motor 69 ..Reversible or oscillatable 70 ..Frequency-responsive or synchronous 71 ..Contact actuating structure 72 ...Plural contacts 73 ...Eccentric or cam 74 ...Including brake, clutch or detent 75 ....Magnetically actuated 76 ...Comprising energy storage means (e.g., wound spring) 77 ..With locking, latch or tripping structure 78 .Polarity-responsive 79 ..Storage or memory type (e.g., bistable) 80 ..Armature structure 81 ...Freely movable within coil or magnetic field between poles 82 ...Floating (i.e., no fixed pivot) 83 ..Contact structure of composition 84 ..Magnetic structure (e.g., saturable) 85 ...Pole structure 86 ..With adjusting means 87 .Periodic (e.g., vibrators) 88 ..Plural periodic switches or with plural pairs of contacts 89 ...Selectively, alternately, or consecutively actuated 90 ..With vibrating or oscillating element damping, frequency adjusting or vibration control 91 ..Actuating magnet structure or material 92 ...Plural magnetss 93 ..Vibratory reed or other periodic contact actuator 94 ...Tuned or resonant at a particular frequency 95 ..Armature 96 ...Adjustable 97 ..Contact arrangement or composition 98 ...Adjustable contacts 99 .Alternating or fluctuating current type 100 ..Induction or eddy current (e.g., vane or closed conductive loop) 101 ..Preselected or synchronous frequency responsive 102 ..Polyphase 103 ..With plural magnetic-actuating structures 104 ..With chatter, bounce or vibration-prevention means 105 ..With damping or adjustment means 106 .Multiple contact type 107 ..Contacts-selectively, sequentially, alternately, or intermittently actuated 108 ...Automatic telephone type 109 ....Plural or multidirection mechanical selector motions 110 .....With motion-conversion means 111 .....Selector structure 112 ......Crossbar type 113 ....With holding, locking or latching means 114 ....Rotary selector motion 115 ....Reciprocating selector motion (e.g., sliding) 116 ....With reset or selector-restoring means 117 ....With operational mode-varying means 118 ....Motor-driven 119 ...Plural armatures 120 ....With interlocking or mechanical connection 121 ...Contact-actuation means 122 ....With rotary or compound motion device (e.g., rack and pinion) 123 .....Pawl and ratchet 124 ....Armature structure 125 .....Rotary armature 126 ....Reciprocating or linearly sliding 127 ..Simultaneously actuated 128 ...By pivotal or rockable armature 129 ....Movable contacts or slidable card bar or comb 130 ....Movable contacts on circular card or comb structure 131 ...By reciprocating armature 132 ..With adjustable, replaceable or interchangeable structural features 133 ..Contact structure or arrangement 134 ...Grid or coordinate 135 ...In pile or stack 136 ..With plural magnet or coil means 137 ...Of diverse type 138 .Step-by-step type (e.g., closure responsive to predetermined number of control pulses 139 ..With timing or indexing means (e.g., clock mechanism) 140 ..Ratchet and pawl-type actuator 141 .With electrothermal-actuating means (e.g., expansible wire) 142 ..Fusible element 143 ..Independently operative 144 ..With armature positioning or adjusting 145 ..Bimetallic elementt 146 ..Thermomagnetic (e.g., device whose magnetic permeability changes with temperature) 147 .Electrodynamically actuated 148 ..Moving coil type 149 ...Plural coils 150 ...With reset or restoring means 151 .Vacuum or hermetically sealed type (e.g., reed switch) 152 ..Plural 153 ..With permanent magnet structure 154 ..Armature, contact or contact-actuating means (e.g., sealed reed) 155 .With predetermined current or voltage value-responsive actuator 156 .With protective means for switch or contacts 157 .With operation-inhibiting means (shock resistant) 158 ..From open position 159 .Plural independently operable switches 160 ..Interlocking 161 ...With cooperative-actuating means 162 ..With unitary housing, support or flux path 163 ..With unitary or common magnetic flux source 164 .Manually or gravity-operated latch with electromagnetic trip 165 .Contact-actuating means unitary with latch or trip 166 .With latch- or trip-reset means 167 .Latching means 168 ..With positive lock (against movement) 169 ..Plural or with auxiliary latch 170 ..Magnetically operated 171 ..Including spring-biasing or energy-storage means 172 .Tripping means 173 ..Plural diverse (e.g., manual plus electromagnet) 174 ..Magnetically operated 175 ...Utilizing hammer or other impacting means 176 ...With adjusting or regulating means 177 .Plural magnets or flux sources 178 ..Of diverse electrical characteristics 179 ..Of diverse magnetic characteristics (e.g., permanent plus electromagnet) 180 ..With common core or single armature 181 ...Pivoted armature 182 ...Magnetic fields opposing (e.g., differential) 183 ..Magnetic fields or torques acting alternately in opposite directions 184 ..With plural reciprocating armatures aligned or rigidly connected 185 .Contact-actuating means 186 ..Plural or combined (e.g., manual with other) 187 ..Unitary with armature 188 ..Snap-action 189 ..Mechanical linkage 190 ...Including cam, roller or eccentric means 191 ...Compound motion device (e.g., toggle) 192 ..With biasing means (open or closed) 193 ..With vibration-, bounce- or chatter-prevention means 194 ..With pressure-maintaining or adjusting means 195 ...Magnetic or electrodynamic force 196 .Contact composition or structure 197 ..Adjustable or readily detachablee 198 ...Convertible from normally open to normally closed and vice versa 199 ..Printed circuit 200 ..Pivoted or relatively movable independently of the armature 201 .With arc-suppression or extinguishing means 202 .With housing or support means 203 .With armature structure 204 .Through conductor type (i.e., conductor field actuates armature) 205 PERMANENT MAGNET-ACTUATED SWITCHES 206 .Plural switches 207 .Plural magnets 208 .Thermomagnetic 209 MAGNETS AND ELECTROMAGNETS 210 .Electron or ion beam deflecting type 211 ..With magnetic shunt 212 ..With adjustable magnetic element (e.g., to change the air gap, or its position on the cathode ray tube) 213 ..With coil structure 214 ...With electric or magnetic-shielding means 215 .Magnetostrictive-type device 216 .Superconductive type 217 .Temperature-responsive type (e.g., temp. compensation means) 218 ..With time-delay means 219 .Combined with diverse-type art device 220 .With magneto-mechanical motive device (e.g., electromagnet with armature) 221 ..Frequency-responsive type 222 ..With relatively movable coil and permanent magnet (e.g., D'Arsonval type) position on the cathode ray tube) 223 ..With relatively movable conductors (e.g., dynamometer) 224 ...Induced current-type movable conductor (e.g., eddy current member) 225 ....Rotating disk 226 ....Short-circuited winding 227 ..Saturable magnetic type 228 ..With motion-conversion means (e.g., reciprocating to rotary motion) 229 ..With permanent magnet 230 ...Polarized electromagnet 231 ....Varying alternating current amplitude responsive 232 ....With plural armatures 233 .....With armature-locking means 234 ....With reversible magnetic flux-type movement (e.g., bistable type) 235 ....With vibrating reed or spring bar-type armature 236 ..With a shunt path for magnetic flux 237 ...Adjustable 238 ..With auxiliary armature-movement control means (e.g., manual) 239 ..With time delay armature-movement control means 240 ...Dashpot type 241 ...Auxiliary control coil 242 ...With plural armatures selectively retarded 243 ..Alternating current type 244 ...Flux phase displacement or varying means 245 ....Shading coil 246 ....Plural winding type 247 ...With chatter- or noise-preventing meanss 248 ....Spring or cushion-type vibration absorber 249 ....Special armature construction or mounting means (e.g., to assure positive seating of armature) 250 ...Coil construction or mounting means 251 ...With plunger-type armature 252 ...With vibrating armature 253 ..With armature latch means (e.g., means to retain armature in open or closed position 254 ...With latch-control winding 255 ..With plunger-type armature 256 ...Plural coils controlling a single armature 257 ...With shock-absorbing means (e.g., means to absorb the shock of armature or plunger) 258 ...With armature stroke adjustment 259 ...Plural plungers 260 ...With sealed enclosure (e.g., dust or moistureproof) 261 ...Armature structure or material 262 ....With centering or aligning or guiding means 263 ....With plunger rotation preventing means (e.g., means to prevent undesired rotation of the plunger during movement) 264 ....Sectional plunger 265 ..Plural armatures actuated by single electromagnetic coil 266 ..Plural coils or magnets control armature movement 267 ...With plural armatures 268 ...Coils or magnets being separately or selectively controllable 269 ..With dynamically balanced armature 270 ..Armature-mounting means 271 ...With armature bounce or vibration-preventing means 272 ...Rotating disk or cylindrical armature 273 ...With armature-adjusting means (e.g., means to adjust the relative distance between core and armature) 274 ...With armature-biasing means or bias-adjustment means 275 ...Hinge joint type armature-mounting means 276 ...Pivot support type armature-mounting means 277 ..With shock absorption, vibration or bounce-preventing means 278 ..With casing or enclosure 279 ..Armature shape, structure or material 280 ...Balls, filings or granular material 281 ..Core or pole shape, structure or material 282 ..Coil shape, structure or material 283 .Blade sharpening or conditioning type magnets 284 .For magnetizing or demagnetizing 285 .Work or object holding type 286 ..With workpiece to magnet adapted or fixture (e.g., to bridge flux) 287 ...Angularly adjustable fixture 288 ..Rotary-type magnetic chuck (permanent or electromagnet type) 289 ..Electromagnet type (e.g., electromagnetic chuck) 290 ...With circuit control means 291 ...Lifting or attracting type (e.g., for lifting pigiron or pulling hairpins) 292 ....Hermetically sealed or moisture-proofed 293 ....Hand-held type 294 ....With outer casing or housing 295 ..With magnetic-hold control means (e.g., means to control the hold strength) 296 .Magnet structure or materiall 297 ..Core structure 298 ...Movable or adjustable cores 299 ..Coil structure or material 300 ...With cooling means 301 ..With electric- or magnetic-shielding means 302 ..Permanent magnets 303 ...Enclosed in flexible plastic, cloth or tape 304 ...With flux leakage-reducing means 305 ...Magnetic plug type (e.g., crankcase plug) 306 ...Plural magnets