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Class Number: 269 Class Title: WORK HOLDERS Subclass Subclass Number Title 1 HAND MANEUVERED OR WORK SUPPORTED TOOL GUIDES 2 .Relatively movable jaws 3 OPERATOR SUPPORTED 4 .Convertible to bench supported 5 .With opening through handle for work supply 6 .Handle manipulation for jaw actuation 7 SOLIDIFICATION OF WORK CONTACTING MEDIUM 8 MAGNETIC HOLDER 9 PLURAL SELECTIVELY USED HOLDERS 10 .Work stop abutment 11 WITH HOLDER ILLUMINATING MEANS 12 WITH DRY RUN WORK DRIVING MEANS 13 WITH PRODUCT DISCHARGE FACILITATOR 14 .Product mover 15 WITH CATCH PAN 16 WITH PART OR TOOL HOLDING RECEPTACLE 17 WITH GROUND TRAVERSING MEANS 19 WITH PLUMB INDICATOR 20 WITH FLUID MEANS 21 .Vacuum-type holding means 22 .With movable diaphragm 23 .With safety means 24 .Plural positioning means sequentially operated 25 .Cylinder-piston means directly moves jaw(s) 26 ..With equalized pressure on plural (nonopposed) jaws 27 .Cylinder-piston means in series with additional positioning means 28 ..With separate air means in series with liquid means 29 ..Including self-contained manual pump means 30 ..With common fluid means for holding and releasing 31 ...Cylinder-piston unit rotatably and/or pivotally mounted 32 ..Mechanical means between fluid means and jaw 33 ...Including opposed cylinder-piston means 34 ...Single fluid unit moves plural spaced jaws 35 .With guide means 36 FENCE BOARD HOLDER AND GAUGE 37 PLURAL HOLDERS TO HOLD WORKPIECES RELATIVE TO EACH OTHER 38 .Fletching jig (i.e., arrow feathering holder) 40 .Fixed work-contacting portions for each holder 41 .Workpieces normal to each other (e.g., miter clamps) 42 ..Means for simultaneous actuation of holders 43 .Workpieces parallel to each other (e.g., box-shook clamp) 44 ..Three holders 45 .With means to relatively array or arrange holders 46 SUSPENDED HOLDER 47 HOLDER INSERTED WITHIN WORK APERTURE 48 .With tool couple element 48.1 .Expandable mandrel 48.2 ..Plural pin mandrel 48.3 ...Having intermediate expanding means 48.4 ....And coil spring 49 .Inserted holder movable relative to work backupp 50 .Holder mounted for movement 51 ..Compound or plural movement 52 .Within concentric opening 53 PIN-TYPE HOLDER 54 .With work-overlying clamp 54.1 .With means to drive pin into work 54.2 ..Including opposed coacting pins 54.3 ...Three or more pins 54.4 .With work-underlying support 54.5 ..Pin perpendicularly extended 55 HOLDER MOUNTED FOR MOVEMENT 56 .Relative to a station 57 ..Rotary (e.g., dial type) 58 .Including means to shift holder position 59 ..With means to lock shift means 60 ..Screw means 61 ..Gear means 62 ..Treadle means 63 .With indexing steps 64 ..Corrugated 65 ..Threaded 66 ..Cam or eccentric means 67 ..Pin-rack 68 ..Pawl-rack 69 ..Peg-hole 70 ...With bias means 71 .With plural means for changing holder positions 72 ..Single lock for plural means 73 ..Means for dual position only 74 .Means for position lock 75 ..For universal joint 76 ..Set screw type 77 ..Periphery clamp type 78 ...Split ring type 79 ..Effective on a movable brace 80 ..For yoke type 81 ..Of holder to table (i.e., reference base or wall) 82 ..Plane bearing surfaces clamped together 83 ...Radial bearing surface type 84 ....Central clamp 85 ....Plural clamps 86 RELATIVELY MOVABLE JAWS 87 .With tool couple element 87.1 ..With guide means 87.2 ...Slot type 87.3 ...Hole type 88 .Convertible to other type or form of holder 89 .Jaw actuation locks holder position relative to base 90 .With separate means to lock jaw(s) after actuation 91 .Clamp couple element with fastening means 92 ..With plural actuating means 93 ..Responsive to element actuating means 94 ..Rocking-element type 95 .With means to fasten holder to support (e.g., portable) 96 ..Wrench or plier type of work holder 97 ..Clamp type fastening means 98 ...Unitary fastener-jaw and holder-jaw 99 ..Socket type fastening meanss 100 ...Aperture in support 101 ..Threaded fastening means 102 ..Nail or spur fastening means 103 .For cable about thimble (e.g., rigger's vise) 104 .Plural jaw pairs, angularly oriented, for common work 105 ..Three jaw couples in three nonparallel planes 106 ...With actuating means for each couple 107 ..Interrelated actuating means 108 ...Constricting loop common to plural jaw pairs 109 ...Four relatively movable corner-angled jaws 110 ..One actuated jaw carries a second actuated jaw 111 ..Quadrilateral frame type 112 ...Diagonally moved jaw 113 ...Plural actuating means for one side 114 ....Plural actuators on each of two sides 115 ...Actuator located at corner 116 ....Actuators at diagonal corners 117 .....Actuator at each corner 118 ...Actuated jaw couples perpendicularly related 119 ....Actuator for each side 120 ...One couple adjusted and one couple actuated 121 ...Adjustment means intermediate ends of side 122 ...Adjustment means including attached wedge means 123 ....Wedge means attached by chain 124 ...Adjustment means at diagonal corners 125 ....Adjustment means at four corners 126 .Including pivoted yoke frame jaw carrier 127 ..With specific latch means 128 ...Latch means includes jaw actuating element(s) 129 ..With jaw actuating means intermediate yoke legs 130 .Including constrictable loop (strand or articulated) jaw 131 ..Flaccid loop 132 ..With means to actuate a coacting jaw 133 .Weight of a vertically disposed panel actuates jaws 134 .With means for "hold-down" component of force 135 ..With rockable work contacting member 136 ..Moved by linearly acting jaw 137 ..Inclined actuator and/or jaw travel 138 ..With wedge or cam means 139 .With means to align coacting jaw faces 140 .With separate positioning means for each of jaw pair 141 ..Adjustable positioning only 142 ..Separate means to actuate each of a jaw pair 143 ...Portable C-clamp type 145 ...Same actuator type for each jaw 146 ..Means to both actuate and adjust the same jaw 147 ..Portable straight beam type 148 ...Plural parallel beams 149 ...Extensible beam 150 ..Pivoted jaw actuator means 151 .With means to orient actuating force on jaws 152 .Plural jaw pairs 153 ..With common actuating means 154 ..One jaw common to plural coacting jaws 155 ..Acting in intersecting planes 156 .Three coacting work grippers 157 .With means to bias jaw(s) toward nonholding position 158 ..Pedal lever actuatorr 159 ...Including position latch or lock 160 ..Spring coil around actuating screw 161 ..Leaf spring between pivoted jaws 162 ..Spring coil around or abutting cam or cam follower 163 ..With articulated attachment or insert for jaws 164 .With means for lateral adjustment of jaw portions 165 .Means for direct manual adjustment of jaw(s) 166 ..With cant type adjustment lock 167 ...Including separate cant member 168 ....Means for skewing plural members to actuate jaw(s) 169 ....Plus additional means to release cant lock 170 .....With means to bias member into locked position 171 ...Including interlocking abutting surfaces 171.5 ...With tooth-like surface engaging a planar surface 172 ..With relative axial shift of screw-nut actuating means 173 ...Split nut type 174 ....With separate means for lateral motion of segments 175 .....Including weight biased lever 176 .....Common to spaced parallel screw means 177 .....Control travels with screw 178 ....With screw mounted means for lateral segment motion 179 ...With longitudinally rockable actuating screw 180 ....Direct hand tilt 181 ...Half nut type 182 ....With separate means for lateral nut-screw motion 183 .....With pedal means 184 ...Interrupted thread type 185 ....Antipodal screw thread sectors 186 ....Rack-like nut thread sector 187 ....With continuous screw thread 188 ..With common means to both lock and actuate jaw(s) 189 ...Screw-nut type 190 ....With wedge means in the lock mechanism 191 .....Roll or ball gripping element 192 .....With pawl-rack immobilization means 193 ......Pivotal or rockable pawl 194 ....Pawl-rack adjustment lock 195 .....To immobilize nut 196 ...Cam or eccentric type 197 ....Plural cams in series 198 ....Cam in series with diverse actuator 199 ....Plural cam surfaces 200 ....Including radial face and/or axial follower feature(s) 201 ...Toggle type 202 ...Rack-pinion sector 203 ..With clamp (or friction) type adjustment-lock 204 ...Pivoted eccentric for applying lock 205 ...Plus additional means to release lock 206 ...Deformable elastic plug gripping element 207 ..With detent type adjustment-lock 208 ...Peg-hole 209 ....For pivoted jaw 210 ...Movable rack 211 ...Pin-rack 212 ...Pawl-rack 213 ....Detent positionable by rocking of screw actuator 214 ....With lever type actuator acting through pawl 215 ....Spring urged pawll 216 .Means to actuate jaw(s) (i.e., apply holding force) 217 ..Work camming or wedging action type 218 ..With common means for each of coacting jaws 219 ...Spaced parallel screw means 220 ....With specific means for angular positioning of jaws 221 ..Plural means for one jaw 222 ...Plural intergeared screw-nut actuating means 223 ...Including means to move nut 224 ..With yieldable means in actuation train 225 ..Gear type 226 ...Worm 227 ...Rack and pinion 228 ..Toggle type 229 ..Cam, eccentric or wedge type 230 ...With position latch 231 ...Cam surface is jaw face 232 ...Including radial face and/or axial follower feature 233 ...Including cam slot or groove 234 ...Slidable wedge 235 ...Eccentric cylinder or disc 236 ...Cam on end pivoted hand lever 237 ..For pivoted jaw(s) 238 ...First class lever action type 239 ...Third class lever action type 240 ..Screw-nut type 241 ...Differentially threaded 242 ...Right and left threaded 243 ...Rotating nut means 244 ...Screw held at ends for rotation only 245 ...With means for relative rotation of elements 246 ...Screw travels with jaw 247 ....Screw within traveling box-beam guide 248 ....With separable or replaceable nut means 249 ....C-clamp type 250 ....Means to keep faces parallel and/or translate jaw 251 .....Flange and/or slot 252 .....Traveling means parallel to screw 253 ......Plural traveling elements coplanar with screw 254 R ..Bias type (e.g., weight, spring, resilience) 254 DF ...Dental flask 254 D ...Drawing board 254 CS ...Coil spring 254 MW ...Movable weighted member 256 .With paralleling mechanism for jaws 257 .Jaw features 258 ..Angularly alignable 259 ...Attachments and/or inserts 260 ....With hook type fastener means 261 ....With socket type fastener means 262 ....With threaded type fastener means 263 ....With yieldable type fastener means 264 ....Loosely positioned between coacting jaws 265 ..Plural spaced work contacting portions 266 ...Settable elements conformable to work contour 267 ...With pressure equalizing means 268 ...Angular and/or curved jaw face 269 ....Opposed jaw faces diversely shaped 270 ....Complementary to work configurationn 271 ..Attachment(s) and/or insert(s) 272 ...Interdigitated 273 ...Named material 274 ....Nonmetallic 275 ...Yieldable element 276 ...With magnetic fastening means 277 ...Coacting elements loosely positioned between jaws 278 ....Elements jointed by a pivot or link 279 ...Selective 280 ....By substitution 281 .....With yieldable type fastener means 282 .....With threaded type fastener means 283 .....With socket type fastener means 284 .....With detent type fastener means 285 .Specific means for wear, strain, protection, assembly 286 .Specific material(s) used for holder 287 HOLDER ENCLOSES WORK 288 .With tool couple element 289 R WORK-UNDERLYING SUPPORT 290 .With tool couple element 291 ..With work-stop abutment 292 ..Element projectable through support 293 ..In support surface 294 ...Cylindrical element 295 ...Guiding slot for horizontally moving tool 296 .Gapped support 297 ..With movable work-stop abutment 298 ...Abutment movable in gap 299 ....Plural separately mounted slidable abutments 300 ....With abutment position indicator 301 ....With abutment lock 302 ..Enclosed gap 302.1 .Mixing or kneading board 303 .With work-stop abutment 304 ..Attached to movable support portion 305 ..Multiple direction restrainer 306 ..Suspended abutment 307 .With sight gage 308 .With work supply supporting means 309 .Support mounting means 310 ..Support resiliently urged upwardly 311 ..Means to hold plural support blocks 312 ...By through rod 313 ....Blocks enclosed by holder 314 ...Blocks enclosed by holder 289 MR .Movable roller 315 WORK-STOP ABUTMENT 316 .Vertically compressible abutment 317 .Resiliently urged abutment 318 .Abutment mounted between spaced parallel arms 319 .Plural spaced abutment surfaces 320 .With motor drive abutment moving means 329 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 SUPPORTING STRUCTURE HAVING WORK HOLDER RECEIVING APERTURES OR PROJECTIONSS 901 COLLAPSIBLE OR FOLDABLE WORK HOLDER SUPPORTING STRUCTURE 902 WORK HOLDER MEMBER WITH V-SHAPED NOTCH OR GROOVE 903 WORK HOLDER FOR ELECTRICAL CIRCUIT ASSEMBLAGES OR WIRING SYSTEMS 904 WORK HOLDER FOR POSITIONING ELEMENTS OF BUILDING IN INSTALLED LOCATION 905 WORK HOLDER FOR DOORS AND DOOR FRAMES 906 WORK HOLDER FOR SKIS 907 WORK HOLDER FOR FISHING FLIES 908 WORK HOLDER FOR CATHODE-RAY TUBES 909 WORK HOLDER FOR SPECIFIC WORK 910 WORK HOLDER FOR PREFABRICATED ROOF TRUSS OR WALL FRAME